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Fish Freshwater Care: medium Semi-aggressive

Blackbelt Cichlid

Vieja maculicauda
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Other names: Black belt cichlid, Maculicauda, Cichlasoma maculicauda, Paraneetroplus maculicauda
Group: American cichlids · Family: Cichlidae · Origin: Central America — Atlantic slope, from southern Mexico to Panama

A large 30 cm Vieja recognized by the thick black belt across the middle of its body and its reddish head. It feeds mainly on plant matter; it needs a large aquarium and a powerful filter.

Will it suit my tank?

Last updated October 16, 2026

Temperature
24–30°C
pH
7–8
Hardness
8–20 dGH
Adult size
30 cm
Minimum tank size
450 liters
Lifespan
10–15 years
Social structure
Pair
Male–female ratio
Tek ya da kendiliğinden eşleşmiş çift
Swimming zone
Middle
Diet
Omnivore
Breeding
Substrate spawner

Water parameters

Temperature24–30°C
pH7–8
General hardness (GH)8–20 dGH
Recommended range
Eats small fish Eats shrimp Damages plants

Overview

October 16, 2026 · Suggest an edit

The blackbelt cichlid is a large species spread over a wide area of Central America's Atlantic slope. A thick black belt runs across the middle of its silver–gray or bluish body; the head, throat and fins are in red–pink tones. Males reach 30 cm and develop a nuchal hump with age. It is a hardy fish that can also enter slightly brackish waters; most of its food is plant matter and detritus.

Tank Setup

October 16, 2026 · Suggest an edit
  • At least 450 liters and 180 cm of length for a single adult or a pair.
  • Large, sturdy rocks and roots; plants are eaten or uprooted.
  • A powerful canister filter or sump; a 30–50% water change weekly.
  • Moderately hard, alkaline water.

Diet

October 16, 2026 · Suggest an edit

An omnivore leaning toward plant matter. Make granules containing spirulina or vegetables the staple; offer blanched peas, spinach and zucchini, and limit protein foods to a few times a week.

Behavior and Compatibility

October 16, 2026 · Suggest an edit

Usually calm for its size, but it becomes tougher during breeding and toward its own kind. It may eat small fish that fit in its mouth.

Good companions: large cichlids of similar size (redhead cichlid, Texas cichlid), large plecos, silver dollars; all in a very large aquarium.

Avoid: small fish, shrimp, planted layouts, very aggressive predatory cichlids.

A short profile for this species

The Blackbelt Cichlid 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