if your talking color then just remember one of your fish is one color and the other one is another..but if they are both the same i sugjest getting seperate tanks if you cant remember who they are.
There are significant differences between different species of fish, in terms of their breeding. You must tell us what kind of fish you have, before we can advise you.
Fish are ectothermic and sea squirt is not
the fish have fins the snake have wiggles
one of them is a star
cartlige isent a boneyb
what are some differences between the way a hang fish feeds
A fish Trap is something you would use in a fish Pond to catch the fish.
Each fish is different to tell the gender. Usually, the female is the larger one, and there are color differences, varying from species to species. Consult a field guide.
one lives in the water
There are several differences between the pacu and the piranha fish. One is their jaw alignment, their teeth are different. Their sizes are generally also different, a grown pacu is larger than a piranha.
tell me the difference between the word advertising and marketing.
a shark is a fish in the higher class of fishes known as 'cartilaginous' fish because they have skeletons made of cartilage