Molidae
There is no scientific name for just big fish.
The scientific name of the puffer fish is Tetraodontidae.
The scientific name for a puffer fish is Tetraodontidae.
The scientific name for a clown fish is a amphiprioninae.
Erpetoichthys calabaricus is the scientific name for the reed fish
"Tulingan fish" is not a known fish species.
The scientific name for Sankara meen is Lutjanus gibbus
The Sun does not have any scientific name like the names of plants and animals. Our Sun is a star of spectral class G2 and luminosity class V (main sequence). So, we can say "scientifically" that the Sun is a G2V star.
Fish
The scientific name of a janitor fish is Pterygoplichthys pardalis.
The scientific name of fish bisugo is Nemipterus japonicus.
The scientific name for a walleye fish is Sander vitreus.