whales and goldfish
Betta splendens (otherwise known as Siamese Fighting Fish) are quite aggressive - hence the name.
Small, hardy, non aggressive fish are best. These include small tetras, rasboras, barbs and rainbows.
not really but they are not a community fish you can put them with semi aggressive fish like parrot fish but they can not go with tetras
www.LiveAquaria.com is a good place to start. They label their fish as peaceful, semi-aggressive, and aggressive. ask my brother
Pacu are not as aggressive as Piranhas but can be if threatened.
Betta fish are aggressive because they are territorial by nature. In the wild, they need to protect their space and resources from other fish. This behavior has been bred into them over time, making them more aggressive compared to other types of fish.
why are there so many kinds of fish
they arent -_-
YES
Yes, betta fish are known to be aggressive towards other fish in a community tank, especially towards fish with similar colors or long fins. It is recommended to keep bettas in a tank by themselves or with non-aggressive tank mates.
== == anything aggressive
A pair of aggressive sucker fish will try to attack each other.
Angel Fish are a type of cichlid and are considered semi-aggressive.