Yes
A shark can attack other fish by eating it!!
they dont eat other fish they just attack them to kill
Sometimes. They attack fish for food.
because beta fish are very aggressive fish and usually attack other fish
Sea lampreys do not typically attack humans. They are parasitic fish that feed on the blood of other fish, not humans.
Lampreys do not typically attack humans. They are parasitic fish that feed on the blood of other fish, but they are not known to target humans as prey.
NO they will attack each other
No. Betta fish will attack each other no matter the sex.
yes if they are too close
Only if the piranha doesn't have any food.
It is generally not safe to put betta fish with other fish in the same tank, as bettas are known to be aggressive and may attack other fish. It is best to keep bettas in a tank by themselves to prevent any harm to other fish.
Penguins are not people, so they cannot attack "other people." Penguins don't attack people at all, in any rate. They are small birds that live on fish.