Neon Tetras go around nipping other’s fins if stressed. Also, whichever fish has long fins, usually its fin gets nipped by other fish. Further, when a new fish is introduced, older ones go around chasing and fin nipping. It’s just they are unknown and are protecting their territory.

Treat injured fish with a fin rot solution to heal nipped fins and prevent infection. Open wounds attract bacteria and can quickly turn into a case of fin rot when fish are stressed. If an aggressive fish is chasing a passive fish and nipping at its tail constantly, it will become stressed.

The black neon is a peaceful tetra that works well in soft water community fish tanks. They need lots of plants, rocks, and other hiding places, and should have slightly acidic water to thrive….#1. BLACK NEON TETRAS.

These fish are notorious fin nippers, and there is no way to prevent them from doing that unless you separate it. Serpae Tetras runs after other fish and nips the fins in most of the cases.

When they eat, the food does not remain in their bodies long and they produce more waste. Underfeeding your goldfish may result in aggressive behavior such as biting tank mates in an attempt to get more food. Overfeeding may result in your goldfish becoming sick.

Nipping at Fins Neon tetras love to chase other fish without showing aggression or attacking them. Moreover, older fish can go around chasing and fin nipping the new fish in the tank. Tetras also fin nip to protect their territory from any danger or threat. This is completely normal; you don’t have to worry about it.

One of the easy to go tetras you can find is Ember tetras. These tetras are mostly favorable to those keepers who want their tank species to feel peaceful. These tetras are very peaceful; hence, it does not give their owners any hard time. You will need to keep ember tetras in groups and avoid keeping lager species.

Tetras are fin nippers no way around it. they love to chase each other and nip at unsuspecting tankmates. I would not put any tetras in with Angel fish. I have tried it and the temptation is too great, for the tetras as well as the angelfish .

Cynodontidae is a small family of characins known as the or Dogteeth Tetras. They range in size with the smallest being about 7 3/4 inches (20 cm) and the largest species reaching up to 26 Inches (65 cm). These fish are carnivores adept at preying on fish with elongated, well-developed canine teeth.

But keep in mind, black skirt tetras are not only aggressive towards other fish. They’re also often aggressive toward each other, especially the males during the mating season. However, this self-directed behavior can be reduced with larger tanks and a high female to male ration.

Neon tetras are, by nature, peaceful creatures and they rarely become aggressive. So, when they start showing signs of bizarre behavior, monitor the tank. If it is too small for them, it might be causing them stress.