Madre de Dios tetra

Hyphessobrycon nigricinctus

Also known as Black-belted tetra, Imperial Tetra

FreshwaterFish

Care at a glance

Temperature
72–81°F
22–27°C
pH
5.5–7.2
Adult size
1.6 in
4 cm
Minimum tank
15 gal
55 L
Temperament
Peaceful
Breeding
No record
Rarity
Rare
Family
Characidae
Origin
Madre de Dios drainage, Peru

Overview

The Madre de Dios tetra is a peaceful Peruvian schooling fish for a soft-water community. It is neither a beginner fish nor a hard one.

Did you know

The Madre de Dios tetra's home basin borders Manu National Park. The reserve is so rich that scientists routinely describe new fish from streams a day's walk from ranger stations.

Caring for the Madre de Dios tetra

Keep Madre de Dios tetras in a group of six or more, in a tank of 15 gal (55 L) or larger. Wild imports settle fastest in dim, botanical-stained water, so keep the light subdued.

Give them warm, soft water at 72 to 81°F (22 to 27°C) and a pH of 5.5 to 7.2. Feed crushed flake, granules, and frozen daphnia or brine shrimp. They are peaceful, and good companions include pencilfish, apistos and small corys.

Good to know

Hyphessobrycon nigricinctus is a characin in the family Characidae, described by Zarske and Gery in 2004. The name means black-belted, for the dark band that wraps its body. It still travels mostly under its locality name in trade lists, and some shops call it the imperial tetra.

In the wild

The Madre de Dios tetra is known from the Madre de Dios drainage in southeastern Peru. It inhabits soft forest streams in one of the most biodiverse corners of the Amazon.

Weekly picks

Tank mates

The Madre de Dios tetra is a peaceful, schooling species that keeps to the middle. These picks share a community profile with it, are safe together in both directions, and overlap on water type, temperature and pH.

Check the full mix in the stocking calculator

Common questions

What size tank does a Madre de Dios tetra need?

A Madre de Dios tetra needs at least 15 gal (55 L). It spends most of its time in the middle.

What temperature and pH does a Madre de Dios tetra need?

A Madre de Dios tetra is comfortable at 72–81°F (22–27°C) with a pH of 5.5–7.2.

What does a Madre de Dios tetra eat?

A Madre de Dios tetra accepts crushed flake, granules, and frozen daphnia or brine shrimp.

How big does a Madre de Dios tetra get?

An adult Madre de Dios tetra reaches about 1.6 in (4 cm).

Does a Madre de Dios tetra need a group?

Yes. A Madre de Dios tetra is a schooling species and should be kept in a group, not singly.

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