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Fish Freshwater Care: easy Semi-aggressive

Blue Acara

Andinoacara pulcher
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Other names: Acara, Aequidens pulcher
Group: American cichlids · Family: Cichlidae · Origin: South America — Colombia, Venezuela, Trinidad

A hardy, medium-sized South American cichlid with bright blue lines on its face and green-blue scales. It is kept as a pair and is a good parent.

Will it suit my tank?

Last updated October 16, 2026

Temperature
22–28°C
pH
6.5–8
Hardness
3–20 dGH
Adult size
15 cm
Minimum tank size
150 liters
Lifespan
8–10 years
Social structure
Pair
Group
at least 2
Male–female ratio
1 erkek : 1 dişi
Swimming zone
Middle
Diet
Omnivore
Breeding
Substrate spawner

Water parameters

Temperature22–28°C
pH6.5–8
General hardness (GH)3–20 dGH
Recommended range
Eats small fish Eats shrimp Suitable for planted tanks

Overview

October 16, 2026 · Suggest an edit

With iridescent blue-green spots on its gray-blue body, bright blue lines on its face and dark bars on its body, the blue acara is a beautiful and hardy cichlid. It is a good species for anyone who wants to start fishkeeping with cichlids: it adapts to a wide range of water values and breeds easily.

Natural Habitat

October 16, 2026 · Suggest an edit

It lives in northern South America in slow-flowing streams, lakes and ditches, in vegetated waters with stones and roots on the bottom.

Tank Setup

October 16, 2026 · Suggest an edit
  • Volume: At least 150 liters for a pair.
  • Decor: Flat stones (spawning sites), roots, hiding places; fine sand.
  • Plants: It leaves most plants alone but may dig during breeding; rooted plants can be protected with stones.
  • Water: 24–26°C.

Diet

October 16, 2026 · Suggest an edit

Omnivorous. Cichlid granules, frozen bloodworms, brine shrimp and mysis shrimp, with vegetables from time to time.

Behavior and Compatibility

October 16, 2026 · Suggest an edit

Relatively calm among cichlids; it shows its real territorial behavior during breeding. It eats small fish and shrimp that fit in its mouth.

Good companions: Peaceful to semi-aggressive fish of similar size: large tetras, angelfish, severum, corydoras, ancistrus.

Avoid: Small fish such as neons, shrimp, very aggressive Central American cichlids.

Group and Colony Structure

October 16, 2026 · Suggest an edit

The blue acara is kept as a pair. To get a pair, raise 4–6 juveniles together; remove all but the pair that forms. A single acara also does fine. In a tank of 300 liters or more, two pairs can be kept, with territories divided by rocks.

Breeding

October 16, 2026 · Suggest an edit

The pair lays a few hundred eggs on a flat stone they have cleaned, and together they fan the eggs and guard the fry. A few days after hatching, the young are moved into pits, and later they swim as a school around the parents.

Health and Common Problems

October 16, 2026 · Suggest an edit

Hardy. In poor water, hole-in-the-head disease (HLLE) and bacterial infections can occur.

Sexing

October 16, 2026 · Suggest an edit

Males are larger, with longer and more pointed dorsal and anal fins; females are smaller and rounder. A reliable distinction is made by checking the papilla during spawning.

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