These fish like warm water
A piranha is notorious for being a fierce tropical fish.
All baby fish are called "FRY" as a general term.
There are many species of "Tropical Coral Reef Fish" that are commonly called "Butterfly Fish"
No, catfish is not a tropical fish.
Fish have adapted to living in a certain temperature range & can't do things to adapt. For example, tropical fish can only survive in the warm tropical waters while fish like salmon thrive in the colder waters nearer the poles.
Yes, it is bad to put tropical fish in with river fish. The river fish can make the tropical fish sick.
Skipjack
Yes, a siclet is a tropical fish
no they are not TROPICAL FISH NO NO NO BLACK ANGELFISH IS
No. Tropical Fish required warmer water.
There are millions of tropical fish in the tropical oceans. But they are all marine fish not freshwater fish. Freshwater tropicals can not live in saltwater.
Yes, most species of the Porcupine Puffer Fish are tropical fish.