Aggressive Aquarium Fish. The biggest challenge when it comes to keeping these fish is their potentially aggressive nature. Many of the Cichlid varieties are aggressive freshwater fish but the Wolf Cichlid or Dovii is the most hostile one.
Some fishes however cant be classified as aggressive. Territoriality is one of the key reasons for aggressive fish behavior. Normally when this fish sees another tank mate for the first time it will try to threaten it.
Aggressive saltwater fish come in a variety of shapes sizes and aggressive traits.
They look like bright ribbons moving around the aquarium. They can be extremely aggressive while cleaning the tank and are sneaky so extreme care must be taken. Some fish are more aggressive over space or food. A well-planted aquarium with plenty of driftwood and swimming space recreates the angels home environment in the Amazon and looks fantastic.