Three-band clownfish is the signature fish of the Disney Nemo cartoon.
This fish lives in the anemones, it is immune to their poison thanks to its mucus, anemones serve as a protective house.
The three-band clownfish is hermaphrodite, so it can change sex according to the needs of the inhabitants of the anemone.
The whale shark is the largest fish in the world!
Some whales are larger, but they are mammals, not fish!
Some sharks can stay motionless on the sand (white tips reef sharks, nurse sharks, etc.).
These sharks don't have to swim to bring oxygen to their gills like other sharks (grey, hammerheads tc.)
Mammals have a horizontal tail.
Fishes have a vertical fin.