This is a very interesting tetra because it is not a schooling species and prefers to be either kept alone or as a pair. I have kept this species several times but caught it for the first time on a trip to a jungle clearwater stream.

Size: I have seen this fish grow to about 1 and 1/2 inches.

Distribution: This fish is widespread in South America.

Aggression, tankmates: This is generally a solitary species but may be kept with other species of fish from the same basic habitat.

Housing requirements. You may keep this fish in a ten gallon aquarium since it is not very active. It may eat fry as it has an unusually large mouth. Does not do well with a ph much above 6.0. It requires soft water, and enjoys hiding.

Notes: This is one of the most interesting tetras I know and even though it generally is very structurally oriented if it feels well enough it will come out to the front of the tank to gobble up food.


About Hudson

Fish enthusiast in the heart of the Amazon.

One response »

  1. joemc says:

    just to add to the above notes, i keep these fish, the largest male is approx 3.5 inches in length, the females smaller, about 2.5 inches, a very peaceful and VERY interesting fish that should be kept in aquariums more, they are a cave spawner, with the male caring for the eggs, food wise, they will accept almost anything.

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