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Fish Freshwater Care: medium Semi-aggressive

Marbled Headstander

Abramites hypselonotus
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Other names: High-backed headstander, Abramites
Group: Tetras and characins · Family: Anostomidae · Origin: South America — Amazon, Orinoco and Paraná-Paraguay basins

A species known for the dark vertical bands on its high-backed body and its habit of feeding head-down. It eats plants and is cranky toward its own kind; it is usually kept singly.

Will it suit my tank?

Last updated October 16, 2026

Temperature
23–27°C
pH
6–7.5
Hardness
4–15 dGH
Adult size
12 cm
Minimum tank size
200 liters
Lifespan
5–8 years
Social structure
Solitary
Swimming zone
Bottom
Diet
Omnivore
Breeding
Egg scatterer

Water parameters

Temperature23–27°C
pH6–7.5
General hardness (GH)4–15 dGH
Recommended range
Fin nipper Eats shrimp Damages plants

Overview

October 16, 2026 · Suggest an edit

The marbled headstander is recognized by its markedly high back and the dark vertical bands on its light brown-silvery body; its fins are also dark-spotted and marbled. Like other headstanders, it tilts its head down while feeding and picks up food from the substrate or roots. It reaches 12–14 cm and can live for many years.

Tank Setup

October 16, 2026 · Suggest an edit
  • At least 200 liters for a single fish; 100–120 cm length.
  • 23–27°C, pH 6–7.5, soft to moderately hard water.
  • Sand substrate, roots and rocks; live plants may be eaten.
  • Good filtration and weekly water changes.

Diet

October 16, 2026 · Suggest an edit

Omnivorous, feeding mainly on plant matter. Spirulina tablets and granules, blanched spinach, zucchini and peas, as well as frozen bloodworms and brine shrimp, are suitable.

Behavior and Compatibility

October 16, 2026 · Suggest an edit

Cranky toward its own kind; it is usually kept singly. It is mostly calm toward other species but may pick at the fins of slow, long-finned fish.

Good companions: sturdy species of similar size: barbs, large tetras, plecos, Synodontis, peaceful medium-sized cichlids.

Avoid: long-finned species, shrimp, planted tanks.

A short profile for this species

The Marbled Headstander page has the basics, but the sections below have not been written yet. If you keep this species, write a section from your own experience; it will be published under your name after editor approval.

Tank mates

This list is calculated automatically from the species profile and grows as new species are added to the catalog. Try it in the planner for a definite answer.

Usually compatible

Should not be kept together

Hobbyist notes

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Change history and contributors
  1. Page created · October 16, 2026