Question

how to identify male or female betta fish​

Answer 1

Answer:

The male betta fish is seen on the left, with much larger fins and more elaborate colors. The female betta fish is on the right, with more dull colors. If a female betta fish is responsive to a male betta fish's mating efforts, her colors can darken. She will typically be smaller than the male betta fish.

Answer 2

Answer:

The male betta fish is seen on the left, with much larger fins and more elaborate colors. The female betta fish is on the right, with more dull colors. If a female betta fish is responsive to a male betta fish's mating efforts, her colors can darken. She will typically be smaller than the male betta fish.

Explanation:

While some varieties of bettas have males sporting short caudal (tail) fins, in most varieties the females have shorter caudal fins and the males have longer fins. The ventral fins of the male are noticeably longer and thicker than those of the female.