sharks
Do you mean will they mate with other fish or get along with other fish? They will not mate with other fish, but they will get along without tetras.
If, when other fish are in the same environment as piranhas, the other fish are eaten, then piranhas are a type of fish that eats other fish. your welcome
Whales eat krill and other fish. Fish eat other fish, depending on what type of fish it is.
Hag fish
The fish that cleans other fish is called a cleaner fish. They remove parasites and dead skin from other fish in a symbiotic relationship, benefiting from the food source while providing a service to the other fish.
Beta fish do NOT like other fish, they may try to kill the other fish or get seriously injured by the other fish.So probably not.
When a fish dies other fish eat it because it might be hungry or it depends on what kind of fish you have that will eat the dead fish.like me when I have a dead fish my Osacar fish eats the fish because it a type of fish that eats other fishes.hope it helps. Bye
when the first fish want to eat the other or it's time for them to have babies.
probably bettas or other aggressive fish or atleast they will eat other fish.
theyare eAT OTHER FISH AND OTHER INSECT
Fish can fish for fish, because anglerfish can fish for other fish.
Possibly,but it would be best if you put her in a separate tank,like a 10 gal.because the other fish might eat the baby fish if you let her stay in there with your other fish.