It matters. Most are around 3-5 inches. But some are pretty big compared to the average goldfish.
By the size, it's patterns/colours I BELIEVE TAHT THE GIRL TROPICAL FISH HAS EITHER A LONGER TAIL OR IS A LIGHTER COLOR THEN THE BOY TROPICAL FISH
The smaller the size of a tropical fish the faster their breathing rate will be. The smallest fish will have the fastest breathing rates.
71 liters is almost 19 gallons and the rule with tropical fish is one inch of fish per a gallon of water at there adult size so it would be different for every fish you got like if the fish adult size is 2 inches that you could have about 10 of that fish in your tank.
No, catfish is not a tropical fish.
Yes, it is bad to put tropical fish in with river fish. The river fish can make the tropical fish sick.
I have tropical fish and i feed them fish food which says on the label 'tropical fish'.But tropical fish that live in the ocean eat either other smaller fish or worms, really anything they can find.
no they are not TROPICAL FISH NO NO NO BLACK ANGELFISH IS
Yes, a siclet is a tropical fish
No. Tropical Fish required warmer water.
a fish tank size would depend on the size or how many fish you want to put in or if its tropical the tank would have to be measured and remember to get the water tested you don't want to kill the fishs
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.