the scientific name for the Black neon tetra fish is Hyphessobrycon herbertaxelrodi
the Black phantom tetra fish is scientifically called Hyphessobrycon megalopterus
the scientific name for the black tetra is Gymnocorymbus ternetzi
the scientific name for the bleeding heart tetra fish is Hyphessobrycon erythrostigma
the scientific name for the blood fin tetra fish is Aphyocharax anisitsi
Question is not clear. Do you mean: "What types of tetra fish are there?" Neon, black neon, black, headlight-taillight, bleeding heart, carninal, glow-lite, to name a few, and there are many others.
The scientific name for the black molly (fish) is Poecilia latipinna.
The scientific name for white crappie is Pomoxisannularis and for black crappie is Pomoxis nigromaculatus.
the name is Pristella Maxillaris :)
Paracheirodon innesi?
Blackspotted Pufferfish. [Scientific Name : Arothron Nigropunctatus]
There is no scientific name for just big fish.
The scientific name of the puffer fish is Tetraodontidae.