Blackline Penguinfish

The Blackline Penguinfish, Thayeria boehlkei, also known as the hockey-stick tetra is a species of tetra native to the upper Amazon River basin in Peru and Araguaia River in Brazil. It has a distinguishing black line across its body which hooks downwards at its tail. It is highly recommended to cover the aquarium as these small fish have been seen jumping 2 meters out of the aquarium! Keep this fish in schools of at least 6 individuals (preferably more). The blackline penguinfish does not grow very large (max 7 centimeters long), so one does not need a very large aquarium to house a school of these fish. These fish are not too fussy concerning water parameters as long as the tank is cleaned periodically. This is a very peaceful fish excellent for a community tank. Goes well with other species of schooling tetra’s 🙂

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