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 New species of Tetra

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KMX
Admin
Admin
KMX

Posts : 16094
Location : Mansfield, TX
Favorite Fish: : African Cichlids of all kinds.

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PostSubject: New species of Tetra   New species of Tetra Icon_minitime7/27/2011, 8:27 am

New species of Tetragonopterus tetra described


A new species of Tetragonopterus tetra from the Amazon River drainage has been described in the latest issue of the journal Neotropical Ichthyology.



Naming the new tetra Tetragonopterus carvalhoi after Brazilian ichthyologist Marcelo de Carvalho, Bruno Melo and coauthors distinguish it from congeners by the lozenge-shaped spot on the caudal peduncle, extending from the level of the adipose fin to the middle caudal-fin rays (congeners have a round to square-shaped spot confined to the rear half of caudal peduncle).

It further differs from some congeners in having 6–10 predorsal scales and lacking dark stripes on the sides of the body.



In addition to the morphological characters, the authors also found the new species to be genetically distinct from congeners in the partial sequence of the mitochondrial cytochrome oxidase C subunit I gene that was analysed.



For more information, see the paper: Melo, BF, RC Benine, TC Mariguela and C Oliveira (2011) A new species of Tetragonopterus Cuvier, 1816 (Characiformes: Characidae: Tetragonopterinae) from the rio Jari, Amapá, northern Brazil. Neotropical Ichthyology 9, pp. 49–56.


Published: Dr Heok Hee Ng

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New species of Tetra CMSIG
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slimtosa
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slimtosa

Posts : 108
Location : Kansas City, MO.
Favorite Fish: : All types of Cichlids,

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PostSubject: Re: New species of Tetra   New species of Tetra Icon_minitime7/27/2011, 9:10 am

No pics?
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sunkenmetal
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sunkenmetal

Posts : 194
Location : Houston Texas

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PostSubject: Re: New species of Tetra   New species of Tetra Icon_minitime7/27/2011, 9:42 am

Searching interwebs for pictures no luck
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sunkenmetal
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sunkenmetal

Posts : 194
Location : Houston Texas

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PostSubject: Re: New species of Tetra   New species of Tetra Icon_minitime7/27/2011, 9:48 am

I Think this is not not 100% sure
]New species of Tetra A02fig01m
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slimtosa
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slimtosa

Posts : 108
Location : Kansas City, MO.
Favorite Fish: : All types of Cichlids,

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PostSubject: Re: New species of Tetra   New species of Tetra Icon_minitime7/27/2011, 9:50 am

cool
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whisper
Betta Specialist
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whisper

Posts : 1990
Location : Euless, Texas
Favorite Fish: : Betta's,Fancy Guppies, Plecos, kio.

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PostSubject: Re: New species of Tetra   New species of Tetra Icon_minitime7/27/2011, 12:16 pm

That's ugly! I've had dead fish in my tank that looked like that. LOL
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Ben
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Ben

Posts : 1878
Location : Sandston, Virginia
Favorite Fish: : Venustus and Catfish

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PostSubject: Re: New species of Tetra   New species of Tetra Icon_minitime7/27/2011, 4:25 pm

It does look a lot like a dead fish.

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New species of Tetra CMSIG
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Kasshan
Chief Wrnt. Off. 5
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Kasshan

Posts : 519
Location : Modesto, CA
Favorite Fish: : Kribensis

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PostSubject: Re: New species of Tetra   New species of Tetra Icon_minitime7/30/2011, 5:04 pm

it probably is dead specimen preserved in a case filled with formaldehyde. i should know cuz it looks a heck of lot like the specimens i used to work with from college. i could be wrong tho, but since when do fish pose for the camera THAT nicely
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D'Claro
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D'Claro

Posts : 278
Location : Virginia

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PostSubject: Re: New species of Tetra   New species of Tetra Icon_minitime7/31/2011, 1:11 am

The fish in the photo is the holotype, which means it is the specimen sacrificed for identification. All holotypes are dead fish - they have to be.

I'm sure the live fish is much nicer looking! Maybe we can get a pic soon.
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PostSubject: Re: New species of Tetra   New species of Tetra Icon_minitime

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