There is no scientific name for just big fish.
Erpetoichthys calabaricus is the scientific name for the reed fish
The scientific name for a clown fish is a amphiprioninae.
Fish
The scientific name for a puffer fish is the Tetraodontidae
The scientific or taxonomic name would be Gasterosteus spp.
The scientific name of the Mosquito fish is Gambusia affinis. It belongs to the family Poeciliidae and the order Cyprinodontiformes.
the scientific name for the bleeding heart tetra fish is Hyphessobrycon erythrostigma
the scientific name for the blood fin tetra fish is Aphyocharax anisitsi
The scientific or taxonomic name would be Tilapia spp.
the scientific name for the Black neon tetra fish is Hyphessobrycon herbertaxelrodi
Sepia latimanus