What species of fish is this?

Setan1500 SG

Most importantly is it aggressive to guppies?

Thanks

Setan1500 SG

Fcukpap SG

this is the best fish in the world..and perhaps the last mermaid specie...

kengkia SG

i only manage to get the picture out from the red link, pls make sure that you urls are correct

Setan1500 SG

Nvm it okay its only 1 picture aniwae thanks :)

BanguIzai SG

this is the best fish in the world..and perhaps the last mermaid specie...

eeeeks

Gon_Jinn SG

It should be serpae tetra.

http://en.m.wikipedia.org/wiki/Serpae_tetra

dragg SG

looks like lemon tetra.

Gon_Jinn SG

But the fish in the picture attached has orange colour body as compare to lemon tetra.

http://en.m.wikipedia.org/wiki/Lemon_tetra

RalliartTurbo SG

It is the Serpae Tetra that originates from Paraguay,South America.It does not fit well with fishes with long fins like bettas and guppies cos it would nibble their fins.