Help ID this piranha

[torcombro]

I need found this at lfs, need help id this piranha. Thank you before.

 

[heavyhitter]

Im not a professional at ID'ing piranha but I will say serrasalmus rhombeus

 

[Kaspern]

Damn!! That monster is looking at you!
But i would also as the above said, go for a rhombeus.

 

[torcombro]

heavyhitter and K Kaspern thank you guys for replying.
Do rhombeus have fully red eyes? or sometimes they don't?

 

[mathfish]

It depends on the variety of the rhom and the age. I've had rhoms with no red and others with super red eyes.

 

[tlindsey]

It depends on the variety of the rhom and the age. I've had rhoms with no red and others with super red eyes.

Does it also have something to do with what location point they were collected from.

 

[torcombro]

M mathfish and tlindsey thank you for relpying. I am guessing that is ad black diamond rhombeus with not so red eyes

 

[heavyhitter]

heavyhitter and K Kaspern thank you guys for replying.
Do rhombeus have fully red eyes? or sometimes they don't?

A lot do. Keep in mind they find new unidentified species of piranha all the time. The two main genus right now are that of the Pygocentrus and the Serrasalmus. The one above is definite a Serrasalmus. Some people will name different Rhombus "gold diamond" "xxx diamond" or "xxx rhombus" but in reality they are just designating a name our of thin air or a guessing, its more marketing than anything. That said the specimen above is one fine looking fish and would be a killer addition as a solo occupant in a 180 gallon tank. How large is he now?

 

[PiranhaAmazon]

this is just a black rhom from guyana i think, little bit of red eyes.. the black rhom from peru are darker on their body but this is not a diamond rhom

 

[Brock11]

My rhom is 8" and doesn't have red eyes...who knows why?