Do you mean female and male? If so, then the female betta fish is smaller and less elaborate than the male.
Touch the word "smallest fish" then touch the smallest fish that appears.
The world's smallest fish is Paedocrypis progenetica.
the smallest fish is the dwarf Goby Fish, 9 millimetres.
sword fish
the worlds biggest is the whale shark and the smallest is the kandiru
The smallest fish in the world that has been currently recorded,yes.
the shark fish
Aphid fish are the smallest type of fish that can be seen by the naked eye (bare eye-no glasses or microscope).
The worlds smallest fish is 7.9mm long
which is the worlds smallest fish measured about 13mm long
If there is a male and female beta fish, the male probably ate them, and those 2 unlucky babies were definitely male. (male beta fish will kill other fish.)
Fish