How do you tell the difference between a female and a male zebra fish?

Zebrafish or zebra danios have no obvious sexual differences. The only really way to tell is get them into breeding condition. Feed them very well, provide as much frozen and freeze dried food as...

You can tell if it is a female fish if, the fish has an egg sack. If the fish does not have an egg sack, it is a male.

There is no sure way to tell male vs female angelfish. The best way to tell is to observe a pair breeding, and watch which one lays the eggs. There are some people that think that you can tell the...

The male Betta fights with other male Betta and the female don't

Some people 'claim' that they can be sexed by the differences in their fins and other supposed visible differences too. This does not work any better than sexing people by the length of their hair or...