List of Peaceful and Aggressive Fish

Some Fish are peaceful and some are aggressive. So we have a list of both types of Fish. Dwarf gourami, Guppy fish, Neon Tetra, and Platies are the peaceful fish you can have for your aquarium. Piranhas, African cichlids, Rainbow sharks, and Tiger Barb are aggressive. 

Peaceful Fish

Dwarf Gourami

There are several types of dwarf gouramis out there. The most common feature shades of these species are Orange-red and iridescent white. No matter what kind of dwarf gourami you get, they're a joy to care for. These community fish are peaceful and cohabitate with other species without any issues. The size of these fish is 3.5 to 4.5 Inches.

Guppy Fish

This fish is one of the most prevalent in the fish-keeping community. These species are great for beginners and collectors alike, and the guppy is a good choice for peaceful multi-species tanks. Guppies are small fish, and a wide range of colors is available in this species.

Neon Tetra

Neon tetra is a small, thin, and easy-to-care fish that's ideal for new owners. Neon. Tetra does not grow very long, reaching only 2.2cm in length. They're known for being a very peaceful and Calm species. They do best when kept in groups and in tanks with rocks, plants, and other accessories. Neon tetra can easily be recognized for their blue bodies and bright red stripes down their bodies.

Platies

They are typically peaceful fish that thrive well in communities, you may see them getting along with guppies and mollies. They're very social fish species that require a mix of plant-based foods and Proteins, though they can also eat meat-based foods.

Aggressive Fish

Piranhas

Red-bellied piranhas are a widely popular choice of aquarium fish amongst aquarium keepers. They are active omnivores. Make sure to feed them on time, otherwise, aggression levels go after each other and other small fish in your aquarium. They kill them.

African Cichlids

These fish can get quite aggressive if not fed properly and kept in a spacious aquarium. They like to move about all the time and can grow up to 8 inches.

Rainbow sharks

When these fish reach a mature age, they can get quite territorial and aggressive. They might attack the bottom dwellers of your aquarium.

Tiger Barb

They have a tendency to become quite aggressive when placed in a community tank. Tiger barb will likely terrorize your other fish and constantly chase them around the length of your aquarium. Don't keep fish with longer fins with Tiger Barbs in one aquarium. They have a habit of nibbling and biting at longer fins.