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Some Moray Eels Have Two Sets of Jaws

kdawson posted more than 6 years ago | from the one-was-bad-enough dept.

Sci-Fi 158

mikesd81 writes that the Mercury News reports that scientists at UC Davis have discovered that some eels have an extra set of jaws deep in their throats that launch forward into their mouths to help pull prey in. "'It looks like a funny pair of forceps with curved sharp teeth,' said evolutionary biologist Rita Mehta, lead author of the research, which appears Thursday in Nature. Before the discovery, scientists thought that all aquatic predators swallowed their prey using suction. By dropping the lower jaw and creating a flow of water into their mouths, they draw in the prey. The two species of moray eels studied by Mehta and Wainwright are the first examples of an alternative feeding method. Instead of sucking, one of these eels bites its prey with its primary set of teeth. It then draws the second set of teeth into its mouth by contracting long muscles. The secondary jaws clamp down on the prey, allowing the eel to move its primary jaws forward in a gulping motion to take in more of the prey. The two sets of jaws take turns until the whole animal has been swallowed." mikesd81 adds a link to a YouTube video of an eel eating, noting "If you look closely right around 34 seconds you can see what looks like the other set of jaws chewing."

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Ob. Ned Flanders quote (4, Funny)

dc29A (636871) | more than 6 years ago | (#20493535)

Well, this certainly seems odd, but, heh, who am I to question the work of the Almighty? Oh, we thank you Lord for this mighty fine intelligent design! Good job!

Re:Ob. Superintendent Chalmers quote (-1, Offtopic)

Psmylie (169236) | more than 6 years ago | (#20493597)

Take it outside, God-boy!

Ob. Ralph Wiggum:
Hi, SuperNintendo Chalmers!

Re:Ob. Ned Flanders quote (-1, Offtopic)

drabgah (1150633) | more than 6 years ago | (#20493641)

I for one welcome our new dual-jawed eel overlords.

Re:Ob. Ned Flanders quote (0, Offtopic)

marcello_dl (667940) | more than 6 years ago | (#20493829)

Still mad at me for the way I designed your little wee-wee, are you?

Re:Ob. Ned Flanders quote (1)

Jugalator (259273) | more than 6 years ago | (#20494097)

I'm still a bit sad that our Designer don't design animals with three jaws. Imagine what a concept, 50% more powerful than these!

When an eel bites your leg... (5, Funny)

winkydink (650484) | more than 6 years ago | (#20495561)

and the pain makes you beg
that's a moray

Naw, clearly global warming (-1, Troll)

unassimilatible (225662) | more than 6 years ago | (#20495569)

Obviously this eel mutation was caused by global warming, like every other problem known to mankind.

The hysterical global warming chicken littles need their own flying linguine monster.

Re:Naw, clearly global warming (1)

reddburn (1109121) | more than 6 years ago | (#20495759)

Ass.

Haven't I seen this somewhere... (5, Funny)

Zwerker (918632) | more than 6 years ago | (#20493555)

OMG - ALIEN! Defrost Ripley RIGHT NOW!

Re:Haven't I seen this somewhere... (1)

Ardipithecus (985280) | more than 6 years ago | (#20493891)

Freaky real life duplicating freaky scifi.

The second set of jaws grabs and pulls the victim further in; in Alien* their purpose is not clear beyond being scary. Probably the same function, laying the case for interstellar convergent evolution, or common ancestry... It'd be interesting to learn how they came up with the detail in the films

And btw, why do aliens in movies not have clothes? Flying saucers, ray guns, specialized cow scalpels, but not one pair of shorts or shoes.

Re:Haven't I seen this somewhere... (0)

Anonymous Coward | more than 6 years ago | (#20494173)

And btw, why do aliens in movies not have clothes? Flying saucers, ray guns, specialized cow scalpels, but not one pair of shorts or shoes.


In Independence Day they have, a nice bio-organic suit!

Re:Haven't I seen this somewhere... (0)

Anonymous Coward | more than 6 years ago | (#20494245)

Plenty of aliens have clothes, just check out Stargate. Okay, the asgard are little pervy nudists, but most of the others have clothes on. The goauld wear humans like a suit!

Re:Haven't I seen this somewhere... (2, Funny)

Champ (91601) | more than 6 years ago | (#20494919)

Well, the Predator [imdb.com] had a sexy little fishnet get-up.

Oblig. (1)

Rob T Firefly (844560) | more than 6 years ago | (#20494043)

We've got to close the beaches!

Re:Haven't I seen this somewhere... (1)

mdozturk (973065) | more than 6 years ago | (#20495109)

The clip made me hungry for sushi. Unagi [wikipedia.org] anyone?

Nature Article (4, Informative)

eldavojohn (898314) | more than 6 years ago | (#20493563)

"If you look closely right around 34 seconds you can see what looks like the other set of jaws chewing."
I don't believe that is what you are seeing.

From the original source [nature.com] of information and in the Journal Nature's News [nature.com] , these jaws are definitely not for chewing. If you look at the images of x-rays [physorg.com] you will see that these are more 'hooks' or teeth than jaws.

In the rest of the articles, they talk about this mearly being the method by which the eel pulls the food down or holds on to it. I don't believe any fish (or snakes for that matter) really 'chew' their food.

I think what you are seeing in that video is the extra skin around the inner part of the mouth billow out as the animal attempts to suck the food in (which as mentioned, most fish do). I don't know a lot about eels so I can't verify that the eel in that video is a moray eel much less one of the kinds that have that kind of device to ingest food. There's over 200 species of moray eels so I guess it would be futile to try and verify it. Still an interesting video but I predict you would see that kind of action when any fish feeds.

NPR has the video without requiring a subscription (2, Informative)

Beltway Prophet (453247) | more than 6 years ago | (#20493995)

Halfway down on the left side: "Watch the Moray Eel"

http://www.npr.org/templates/story/story.php?story Id=14194579 [npr.org]

Re:NPR has the video without requiring a subscript (1)

Beltway Prophet (453247) | more than 6 years ago | (#20494047)

And, BTW, this is high-speed video of the second jaws in action.

Re:Nature Article (1)

TubeSteak (669689) | more than 6 years ago | (#20494713)

I think what you are seeing in that video is the extra skin around the inner part of the mouth billow out as the animal attempts to suck the food in (which as mentioned, most fish do). [...] There's over 200 species of moray eels so I guess it would be futile to try and verify it.
Come on.. this stuff isn't that hard to verify.
You don't need high speed cameras.

Wouldn't a scalpel and some scissors resolve any lingering questions?

Re:Nature Article (2, Informative)

Otter (3800) | more than 6 years ago | (#20495185)

Wouldn't a scalpel and some scissors resolve any lingering questions?

The paper [nature.com] , for those with access to Nature, has extensive dissections. It's not just based on the film of feeding, although I think that's what started them looking.

As Dean Martin used to say... (5, Funny)

$RANDOMLUSER (804576) | more than 6 years ago | (#20493593)

When an eel bites your face, that's a moray.

Re:As Dean Martin used to say... (5, Funny)

syrinx (106469) | more than 6 years ago | (#20493617)

I heard it as:

When fins brush by your heel
That's not just an eel
That's a moray

When you feel teeth bite down
And you're starting to drown
That's a moray

Re:As Dean Martin used to say... (1)

ekgringo (693136) | more than 6 years ago | (#20493941)

On NPR this morning, they had another stanza, which I think were something like: When you cry and you beg As the eel bites your leg That's a moray

Re:As Dean Martin used to say... (3, Funny)

Gulthek (12570) | more than 6 years ago | (#20494019)

When you're swimming in a creek
and an eel bites your cheek
That's a moray

Re:As Dean Martin used to say... (1)

jollyreaper (513215) | more than 6 years ago | (#20494225)

When you're scuba-divin' off of Oz
And a spine to the chest gives ya pause
That's not a moray, that's a ray

Re:As Dean Martin used to say... (2, Funny)

clem (5683) | more than 6 years ago | (#20495555)

When an eel lunges out
And it bites off your snout
That's a moray.

Re:As Dean Martin used to say... (1)

c_sd_m (995261) | more than 6 years ago | (#20494527)

And one more: When an eel lunges out Takes a bite of your snout That's a moray

"That's a Moray!" -- Official version (3, Interesting)

ClickOnThis (137803) | more than 6 years ago | (#20494601)

Many years ago, somebody actually did write a moray-eel spoof of Dean Martin's "That's Amore". IIRC it was made popular by a group named "Barefoot and Andy", who had numerous scuba-themed songs and played in various clubs near scuba resorts in the Caribbean, including the Cayman Islands (where I heard them once.)

You can find the lyrics at the bottom of this page:

http://www.ukdivers.net/life/morays.htm [ukdivers.net]

Re:As Dean Martin used to say... (4, Funny)

srmalloy (263556) | more than 6 years ago | (#20494993)

From Spider Robinson, author of the Callahan's Crosstime Saloon stories:

When you swim in da sea / an' an eel bites you knee, / dat's a moray.
A New Zealander man / with a permanent tan, / that's a Maori.
When two patterns combine, / in a way serpentine, / that's a moiré.
He tells jokes, he's a ham, / his last name's Amsterdam, / that's a Morey.
If your vitamins be / mostly C, D, and E, / take some more A.
When a Canadian shows / you his mother, he goes: / "Dat's my mawr, eh?"
With the high price of feed, / it's for farmers in need, / that some mow hay.
My new ray gun here tries / to put out both your eyes: / It's a Moe-ray.

Re:As Dean Martin used to say... (0, Offtopic)

MarsDefenseMinister (738128) | more than 6 years ago | (#20495049)

Having sex with a fish is gross.
Having sex with an eel is a moray.

Re:As Dean Martin used to say... (1, Funny)

hasbeard (982620) | more than 6 years ago | (#20493643)

I'm not sure whether to mod you +1 Funny or +1 Punny.

Re:As Dean Martin used to say... (0)

Anonymous Coward | more than 6 years ago | (#20494547)

Howzabout "+1 Finny"?

Re:As Dean Martin used to say... (1)

ncc74656 (45571) | more than 6 years ago | (#20494939)

I'm not sure whether to mod you +1 Funny or -1 Punny.

I corrected that for you. :-)

Re:As Dean Martin used to say... (0)

Anonymous Coward | more than 6 years ago | (#20495073)

Thanks for getting that started. I have to go and wipe the coffee off my screen now.

Re:As Dean Martin used to say... (0)

Anonymous Coward | more than 6 years ago | (#20495383)

Why is this the only funny line Ive seen all day. Ha, awesome.

Evolution (0)

sxeraverx (962068) | more than 6 years ago | (#20493601)

Could this be a hint that sharks may have evolved from eels? Sharks certainly have multiple sets of teeth, and this seems to be a possible first step from one to the other.

Re:Evolution (2, Informative)

aadvancedGIR (959466) | more than 6 years ago | (#20493687)

IANMB but it seems unlikely.
Those eels have two distinct sets of jaws with associated muscles, but the sharks only have one set with several layers of teeth (new one are grown all the time on one side of the jaw and push the older ones until they fall).

Re:Evolution (0)

Anonymous Coward | more than 6 years ago | (#20493865)

Everyone knows that peanut butter disproves evolution [youtube.com] . :P

Re:Evolution (0)

Anonymous Coward | more than 6 years ago | (#20494309)

Well...considering that the earliest shark fossils are millions of years older than the first bony fish fossils I would say no*. Also, although this is interesting it is fairly common in fishes to have extra sets of teeth that are not located on the jaws (e.g. pharyngeal teeth) that can be used to crush or hold prey. Perhaps these species of morays have mechanisms that allow them to protrude their pharyngeal teeth...I guess I need to read the article today.

* IAAI (I am an ichthyologist)

Re:Evolution (1)

somersault (912633) | more than 6 years ago | (#20494655)

"Also, although this is interesting it is fairly common in fishes to have extra sets of teeth that are not located on the jaws (e.g. pharyngeal teeth) that can be used to crush or hold prey."

Sounds like a girl I know.

Why is the article tagged Sci-Fi? (1, Interesting)

morgan_greywolf (835522) | more than 6 years ago | (#20493605)

Am I missing something here?

Re:Why is the article tagged Sci-Fi? (2, Informative)

haluness (219661) | more than 6 years ago | (#20493667)

One reason: the alien queen in Aliens (and Aliens 2 3 4) exhibited this type of anatomy. Of course in the movie the inner set of jaws were for biting chewing and drooling ...

Re:Why is the article tagged Sci-Fi? (0)

Anonymous Coward | more than 6 years ago | (#20494041)

ITYM

1 - Alien
2 - Aliens
3 - Alien^3
4 - Alien Resurrection

I never saw part 4, but I *loved* parts 1 and 3 (3 was funnier than shit). I didn't care for part 2 much.

Re:Why is the article tagged Sci-Fi? (4, Informative)

adycarter (261257) | more than 6 years ago | (#20493697)

Re:Why is the article tagged Sci-Fi? (1)

morgan_greywolf (835522) | more than 6 years ago | (#20493805)

Okay, but the Xenomorphs of the Alien series of movies weren't eels. This is as much of an article about Sci Fi as an article about nanobots or the so-called 'transporter' technology that allows a single degree of freedom of one electron to be 'transported'. IOW, it's not.

Re:Why is the article tagged Sci-Fi? (0)

Anonymous Coward | more than 6 years ago | (#20494163)

Oh my God, the tag was supposed to be a funny little joke, not taken seriously. Or are you trolling?

Re:Why is the article tagged Sci-Fi? (4, Funny)

glwtta (532858) | more than 6 years ago | (#20494441)

Okay, but the Xenomorphs of the Alien series of movies weren't eels.

That is the single stupidest thing I've read today (though it's still pretty early).

Re:Why is the article tagged Sci-Fi? (1)

jimstapleton (999106) | more than 6 years ago | (#20493753)

maybe because the article presumes a certain intellegence of /.ers that is mostly lacking - hence adding the fiction to the science.

Or it could be the Alien theory.

Re:Why is the article tagged Sci-Fi? (1, Funny)

Anonymous Coward | more than 6 years ago | (#20494003)

Parent got modded "insightful"? LOL.

Re:Why is the article tagged Sci-Fi? (1)

1u3hr (530656) | more than 6 years ago | (#20495263)

Same reason any article referring to any words used in Star Trek is, regardless of the facts that they're real science.

But to be fair, it wasn't just Slashdot pandering to geeks, most of the reports in normal (non-scientifc) media mention Alien in the first paragraph.

But a quick Google for "pharyngeal jaw" finds this is not unique to moray eeels, many species have them, just the moray's is unusually prominent and mobile.

And since we seem doomed to be discussing the movies here, I wonder now if HR Giger [hrgiger.com] , who designed the Aliens, was aware of these? I'd thought he based the Alien on insect models, but he certainly was well-read in biology.

Obligatory Monthy Pythons (1)

aadvancedGIR (959466) | more than 6 years ago | (#20493607)

My Eel is full of teeth.

Can this be trademark infringement (1)

downix (84795) | more than 6 years ago | (#20493619)

H.R. Geiger better be notified, the Eel is copying his Xenomorph Alien! Best get Ridley Sct and James Cameron involved too!

Re:Can this be trademark infringement (0)

Anonymous Coward | more than 6 years ago | (#20494363)

I'm sure H. R. Giger will get right on to it as soon as he gives you a good shellacking for misspelling his name.

uh oh. (0)

Anonymous Coward | more than 6 years ago | (#20493631)

this cant be good, a second set of jaws?
those films were bad enough the first time round!

Clearly evolution is taking a page from James Camerons book - we gotta intervene before they start laying eggs with flying things in, and birthing from inside peoples chests!

Re:uh oh. (1)

y86 (111726) | more than 6 years ago | (#20493719)

Well --- A moray with it's second set of jaws looks almost identical to the "chest burster" alien phase. It is quite Eel like -- except it's a land based animal in the movies, however since James Camron's Aliens don't breath I bet it can swim quite well.

Something to think about the next time your swimming naked in a lake or stream........It's not the 1st set of jaws that will get you.... it's the 2nd set.......

Re:uh oh. (0, Offtopic)

UncleTogie (1004853) | more than 6 years ago | (#20494421)

Something to think about the next time your swimming naked in a lake or stream........It's not the 1st set of jaws that will get you.... it's the 2nd set.......
The scary part? There might be people out there [mainichi-msn.co.jp] that'd appeal to...

movie rights (0, Offtopic)

psbrogna (611644) | more than 6 years ago | (#20493633)

Anybody else feeling like there's a certain Sci-Fi channel mediocre miniseries in our near future?

Re:movie rights (-1, Redundant)

pscottdv (676889) | more than 6 years ago | (#20493661)

Didn't "Aliens" already do this one?

Re:movie rights (1)

Psmylie (169236) | more than 6 years ago | (#20493737)

Anybody else feeling like there's a certain Sci-Fi channel mediocre miniseries in our near future?

Sadly, yes. I always feel certain that there's a mediocre Sci-Fi channel miniseries on the way, even before I'd heard of these double-jawed creepy eel things.

They'll probably pair it up with an erupting volcano and call it "Double-Jawed Lava Eels"

What the heck... it can't be worse than Ice Spiders, right?

Re:movie rights (1)

dougmc (70836) | more than 6 years ago | (#20494265)

Or Mansquito.

That's what she said (0, Offtopic)

192939495969798999 (58312) | more than 6 years ago | (#20493713)

Reminds me of one of my favorite quotes:
Peter: That's what...
Brian: If you say "that's what she said" one more time, I am gonna pop you.

Two jaws? Pah. (2, Interesting)

pzs (857406) | more than 6 years ago | (#20493735)

That's nothing. [bbc.co.uk]

Peter

Re:Two jaws? Pah. (4, Funny)

mapmaker (140036) | more than 6 years ago | (#20494219)

Whatever, man. Let me know when you've found a monkey with five asses.

Re:Two jaws? Pah. (2, Funny)

clickety6 (141178) | more than 6 years ago | (#20494753)

Whatever, man. Let me know when you've found a monkey with five asses.

Et voila - a monkey with five asses:

George W. Bush
Dick Cheney
Donald Rumsfeld
Condoleezza Rice
Paul Wolfowitz
Alberto Gonzales

Hmm (0, Offtopic)

BlowHole666 (1152399) | more than 6 years ago | (#20493789)

By dropping the lower jaw and creating a flow of water into their mouths, they draw in the prey.
Hmm wonder if my wife is an Eel?

Re:Hmm (1, Funny)

StressGuy (472374) | more than 6 years ago | (#20493847)

I've wondered that about your wife myself...

{...sorry, low-hanging fruit...} :)

Re:Hmm (1)

MobileTatsu-NJG (946591) | more than 6 years ago | (#20495225)

"Hmm wonder if my wife is an Eel?"

According to my See 'n Say, she's a cow.

Game Over, Man! (0)

Anonymous Coward | more than 6 years ago | (#20493793)

I say we dust off and nuke the oceans from orbit. It's the only way to be sure.

Interesting, but front-page worthy? (0, Offtopic)

140Mandak262Jamuna (970587) | more than 6 years ago | (#20493827)

The second set of jaws is quite interesting. One of the claims of the Creationists (yeah, it predates ID movement and it has been debunked so thoroughly even IDers don't mention it anymore) is the difference in articulation of the jaw between reptiles and mammals. The way the Creationists said it, the jaw first has to be disarticulated from the joint and then re-articulated around a different bone end and during the interim the animal would not be able to eat. So such an evolution is impossible.

Then specimens turned up with a doubly articulated reptilian jaw and series of fossil discoveries that show that the middle bones of the doubly articulated jaw moved into the ear canal and became the middle ear bones conducting sound! The missing link was really a linking bone! And God lost one more place to exist.

It is all very interesting to me, but still I don't think this story deserves to be on the front page.

Stop whining. (0)

Anonymous Coward | more than 6 years ago | (#20494011)

It is all very interesting to me, but still I don't think this story deserves to be on the front page.
Come back tomorrow evening, and it'll no longer be on the front page. Happy?

Another fine example of science reporting (1)

sacremon (244448) | more than 6 years ago | (#20493867)

From TFA:

"It's like a scene from an Aliens movie: a scaly underwater creature looking something like a piranha crossed with a python strikes at its prey which is then reeled deeper into the beast's throat by a second set of toothy jaws."

Too bad moray eels don't actually have scales...

For that matter... (1)

Kortalh (1102177) | more than 6 years ago | (#20494009)

Neither do the Aliens.

Why /. ? (0)

symes (835608) | more than 6 years ago | (#20493875)

Other than a tenuous link with the Alien film which might be somewhat geeky I can't understand why this is newsworthy. Are these eels part of the open source community? I don't think so.

Re:Why /. ? (2, Funny)

Overzeetop (214511) | more than 6 years ago | (#20493975)

Some of us are still sore over Ubuntu not having an "ecstatic eel" release. See, it all ties together.

Oh, and for the record, the Alien tie-in is reason enough on /. because, well, it's /.

Re:Why /. ? (1)

JCSoRocks (1142053) | more than 6 years ago | (#20494033)

Prejudice abounds! Moray Eels are living beings too! Maybe they want to learn how to use a computer and we just haven't made one that's accessible. We should enact a new law requiring all electronics to have an eel interface to allow them to use them!

Re:Why /. ? (1)

plague3106 (71849) | more than 6 years ago | (#20494099)

Um, because most geeks here also have an interest in science outside the computer variety. These kind of stories aren't new here... they've been on /. for quite a while now.

Open sores connection... (1)

NotQuiteReal (608241) | more than 6 years ago | (#20494621)

Open your hand, and gently wave it back and forth in front of your face... now re-read the summary:

...deep...throats...

"Instead of sucking, one of these ... bites ... with its primary set of teeth. ...then ... The ... jaws clamp down ... in a gulping motion to take in more ... until the whole ... has been swallowed."

If that doesn't conjure up images of open sores, I don't know what will!

Re:Why /. ? (1)

gstoddart (321705) | more than 6 years ago | (#20495331)

Other than a tenuous link with the Alien film which might be somewhat geeky I can't understand why this is newsworthy.

Dude, it's in the science section. For some of us, daily news about science is a good thing. It's something I didn't know when I woke up this morning.

Cheers

According to NASA (3, Funny)

brunes69 (86786) | more than 6 years ago | (#20493909)

Further on this, according to NASA, 50 double-jawed Moray Eels can chew 100 objects simultaniously. Even further, 100 double-jawed Moray Eels can chew 200 objects.

Re:According to NASA (1, Funny)

Anonymous Coward | more than 6 years ago | (#20494397)

Further on this, according to NASA, 50 double-jawed Moray Eels can chew 100 objects simultaniously. Even further, 100 double-jawed Moray Eels can chew 200 objects.


Yes, but the license EULA limits you to only 10 objects at once

from the who-gives-a-shiat dept. (-1, Troll)

Anonymous Coward | more than 6 years ago | (#20494065)

Trying...to...care...

Damn. Can't.

Do you know what that sound is, Highness? (0)

Anonymous Coward | more than 6 years ago | (#20494089)

Those are the shrieking eels! If you don't believe me, just wait. They always grow louder when they're about to feed on human flesh!

Re:Do you know what that sound is, Highness? (0)

Anonymous Coward | more than 6 years ago | (#20494231)

Grandpa: She doesn't get eaten by the eels at this time
The Grandson: What?
Grandpa: The eel doesn't get her. I'm explaining to to because you look nervous.
The Grandson: I wasn't nervous. Maybe I was a little bit "concerned" but that's not the same thing.

Why is this news to them? (1)

jollyreaper (513215) | more than 6 years ago | (#20494199)

Would not eel anatomists have made this discovery years ago?

Moray Eels Nocturnal? (1)

Late-Eight (1026794) | more than 6 years ago | (#20494271)

I think the majority of Moray Eels are nocturnal creatures so "They Mostly Come Out at Night...Mostly"

Dragonflies seem more Alien-like (4, Informative)

PIPBoy3000 (619296) | more than 6 years ago | (#20494281)

My favorite Alien-like feeder is the Dragonfly larvae [snh.org.uk] :

Dragonfly larvae have a remarkable tool at their disposal when hunting prey: their lower lip is modified into a long, hinged jaw terminating in two sharp, hook-like mandibles. This is known as the "mask". When a prey is in sight, the mask is thrust forward and the prey instantly impaled on the hooks, then drawn back to the mouth and eaten.
There's also a good video [youtube.com] of the jaw in action.

Eely Love (1)

Doc Ruby (173196) | more than 6 years ago | (#20494375)

When the tide rises high
And a snake bites your thigh,
That's a moray!

Re:Eely Love (1)

trongey (21550) | more than 6 years ago | (#20494951)

That's so beautiful. It brought a little tear to my eye.

Has nobody ever dissected one (1)

karlandtanya (601084) | more than 6 years ago | (#20494399)

I'd think the structure described (no pics?) would be pretty apparent?
Or did they just think they were vestigal?

Thank you. (0, Offtopic)

TechnicolourSquirrel (1092811) | more than 6 years ago | (#20494633)

Thank you, kdawson. That WILL be all. ......FILE STATUS: CLOSED.

Xenomorph !!!! (1)

robert899 (769631) | more than 6 years ago | (#20494755)

Run away!!!

Japanese fishermen may already be on to this... (0, Offtopic)

TheHornedOne (50252) | more than 6 years ago | (#20494767)

I wonder what these guys [mainichi-msn.co.jp] think of this discovery..

pharyngeal jaw (3, Insightful)

jbeaupre (752124) | more than 6 years ago | (#20494787)

A second jaw is not new. In fact, it is a defining characteristic of some fish (cichlids) http://en.wikipedia.org/wiki/Cichlid#Anatomy_and_a ppearance [wikipedia.org] .

Cichlids are a great example of evolution, with some species only a couple thousand years old. The second jaw is thought to be why they are so successful and diverse.

News? (4, Interesting)

u8i9o0 (1057154) | more than 6 years ago | (#20494985)

Over two decades ago, I noticed a second set of jaws in a moray eel on display at a local pet store.
If I had known that such an observation was newsworthy, I'd have shown it to more than just my brother and father.

Since I see this as a non-story, I'll offer an anecdote:

Seeing the second set made me even more afraid of morays - they're creepy enough with just one set. The worst was seeing one with a body cross section similar in size to a 3 liter soda bottle just a few yards from me while SCUBA diving. Daggers for teeth. That thing could have easily killed anyone in the group. Not something you want to meet that far under water, protected only by a bathing suit and basic SCUBA gear.

BTW, even though the article makes SciFi comparisons, this article should not be categorized under SciFi. Otherwise, every subject should be categorized under SciFi (find me a subject that cannot be compared to SciFi).

"deep in their throats" - deepthroat? (0)

Anonymous Coward | more than 6 years ago | (#20495033)

/takes coat 'n leaves

2 jaws (0)

Anonymous Coward | more than 6 years ago | (#20495083)

I wish my girlfriend did.... one is allways getting worn out...
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