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'Dracula Fish' Discovered!

Offline Wesker

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'Dracula Fish' Discovered!
« on: April 09, 2009, 07:05:31 PM »
'Dracula' Fish Discovered in Myanmar

(April 9) - A newly discovered minnow species called the dracula fish apparently spent 30 million years redeveloping superficial fangs after losing its vampire-looking teeth earlier in its evolution.

The tiny freshwater fish finding may reveal more about how lost structures re-evolve, as well as how evolution can cause some species to mature early. Scientists named the fish Danionella dracula in honor of its large, tooth-like jaw structures.

"This fish is one of the most extraordinary vertebrates discovered in the last few decades," said Ralf Britz, a fish researcher at the Natural History Museum in London, UK.

Britz found the minnow in a stream in northern Myanmar, during a collecting trip. The transparent fish measures somewhat less than one inch long and represents one of the smallest fishes and vertebrates.

All other 3,700 species in the Cypriniform group lost their teeth about 50 million years ago. Biologically, D. dracula's redeveloped "teeth" represent outgrowths of the jaw bone, rather than truly re-evolved jaw teeth.

However, male and female members of this species don't boast the same bite – only the guys get the fanged face. Males also have larger pelvic fins and a forward-shifted anus and genital opening between those fins.
Males seem to use their fangs during territorial fights, when they nudge and "bite" each other, Britz told LiveScience. Their lower jaws can open to a wide degree and form an angle of 45-60 degrees with the main body axis.

D. dracula also stands out because of its "eternally young" physical development. The fish matures at an earlier developmental stage, with the result that its skeleton is missing more than 40 bones compared to its zebrafish relative.

"Its skeleton is for the most part that of a larval fish," Britz explained.
The small D. dracula is not alone – other Danionella species and related fish also share this unusual characteristic. Researchers call the phenomenon developmental truncation, and have debated what it means in evolutionary terms.

"One may argue, as some have, that developmental truncation is an evolutionary dead end street," Britz noted. "But I rather think that developmental truncation frees the body plan from constraints and provides the potential to go down new routes and alter your body plan considerably."




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Offline kinjo

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Re: 'Dracula Fish' Discovered!
« Reply #1 on: April 09, 2009, 08:12:16 PM »
that is awesome looking

i wish i had fish that all had fangs

Offline Flashwerewolf

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Re: 'Dracula Fish' Discovered!
« Reply #2 on: April 10, 2009, 06:06:07 PM »
forward-shifted anus...


So it would swim thru its feces

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Offline Wesker

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Re: 'Dracula Fish' Discovered!
« Reply #3 on: April 10, 2009, 07:11:29 PM »
does it suck blood?
forward-shifted anus...


So it would swim thru its feces
I doubt it and it would seem so. Gross.
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Offline Flashwerewolf

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Re: 'Dracula Fish' Discovered!
« Reply #4 on: April 10, 2009, 07:16:54 PM »
poop cannon!

[kata]

Offline black death

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Re: 'Dracula Fish' Discovered!
« Reply #5 on: April 11, 2009, 03:19:35 AM »
The fangs are actually just for show, when it gets into a fight it shoots its poop cannon at it's enemy.
Awesome points: 100
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Cewt Addy Bunny 6:08 pm
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Offline PoWeRpEnGuIn

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Re: 'Dracula Fish' Discovered!
« Reply #6 on: April 12, 2009, 07:32:12 PM »
D: thats terrible, a dracula fish that shoots poop from a cannon.

Offline Flashwerewolf

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Re: 'Dracula Fish' Discovered!
« Reply #7 on: April 12, 2009, 07:48:17 PM »
Next on  Tuesday on:





The dracula fish that shoots poop from a cannon!

[kata]

Offline Wesker

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Re: 'Dracula Fish' Discovered!
« Reply #8 on: April 13, 2009, 07:47:12 PM »
THIS is life after people!

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Re: 'Dracula Fish' Discovered!
« Reply #9 on: April 13, 2009, 09:50:19 PM »
these are vampires best friend.
Meager retentions as your heart weep…. I cry for my heart bleeds with every tear you shed and every hardship that you encounter. My blood is of the martyr and of him his myrmidon leads us to victory…………..

Offline Kedzor

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Re: 'Dracula Fish' Discovered!
« Reply #10 on: April 14, 2009, 12:26:46 AM »
vestigial genetic data spontaneously becomes useful again, protomutation occurs.

My brain pattern set does not make a reply is still more work to be mean?Are you saying we define ourselves through our interactions and expectations of individuals and think this board and it is harmless, cheesy fun in the second girl who has done that has any comments on like knights of the prisoner in which you have, or are at the same in spirit. But i'm staying here for semantics.

Offline Kedzor

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Re: 'Dracula Fish' Discovered!
« Reply #11 on: April 14, 2009, 12:29:28 AM »
vestigial genetic data spontaneously becomes useful again, protomutation occurs.

science haiku muggafuggas

My brain pattern set does not make a reply is still more work to be mean?Are you saying we define ourselves through our interactions and expectations of individuals and think this board and it is harmless, cheesy fun in the second girl who has done that has any comments on like knights of the prisoner in which you have, or are at the same in spirit. But i'm staying here for semantics.

Offline Flashwerewolf

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Re: 'Dracula Fish' Discovered!
« Reply #12 on: April 14, 2009, 12:44:59 AM »
sounds lovely, my dear

[kata]

Offline Whalesdude

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Re: 'Dracula Fish' Discovered!
« Reply #13 on: April 14, 2009, 08:07:10 AM »
Nasty.

And you can get fangs. You just have to get teeth extensions.

I wouldn't mind a poop cannon. It would come in handy during things like stop-and-go traffic, and long lines at the dmv.


Offline Flashwerewolf

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Re: 'Dracula Fish' Discovered!
« Reply #14 on: April 15, 2009, 04:10:07 AM »
too bad you wear PANTS in those places.

Enjoy your muddy bottom.

[kata]

Offline black death

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Re: 'Dracula Fish' Discovered!
« Reply #15 on: April 15, 2009, 04:11:46 PM »
FW, you should know poop cannons destroy anything in it's way, including pants.
Awesome points: 100
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Cewt Addy Bunny 6:08 pm
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