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Fish Freshwater Care: hard Semi-aggressive

Taeniacara candidi

Taeniacara candidi
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Other names: Candidi, Taeniacara, Apistogramma weisei
Group: Dwarf cichlids · Family: Cichlidae · Origin: South America — Brazil, Amazon tributaries from the lower Rio Negro to the Tapajós

A small Amazon cichlid recognized by its slender, torpedo-like body and the black stripe running from snout to tail. Surprisingly quarrelsome for its size; it needs warm, very soft water.

Will it suit my tank?

Last updated October 16, 2026

Temperature
26–30°C
pH
4.5–6
Hardness
1–3 dGH
Adult size
6 cm
Minimum tank size
60 liters
Social structure
Pair
Group
at least 2
Male–female ratio
1 erkek : 1 dişi
Swimming zone
Bottom
Diet
Carnivore
Breeding
Substrate spawner

Water parameters

Temperature26–30°C
pH4.5–6
General hardness (GH)1–3 dGH
Recommended range
Suitable for planted tanks

Overview

October 16, 2026 · Suggest an edit

Taeniacara candidi lives in Amazon tributaries in Brazil from the lower Rio Negro to the Tapajós and is one of the slimmest, most elongated of all dwarf cichlids. The black stripe running along its body is its most distinctive marking; males are larger and more vividly patterned, while females have blue-spotted tails. It was formerly also known as Apistogramma weisei, and the position of the genus is still debated. It is sensitive to water parameters; after a water change it may sit sulking on the bottom for a while.

Tank Setup

October 16, 2026 · Suggest an edit
  • At least 60 liters for a pair; plenty of hiding places and visual barriers.
  • 27–29°C, pH 4.5–6, GH 1–3; RO water and dried leaves.
  • Fine sand, roots, dense planting and dim light; water changes should be small and made with water of the same parameters.

Diet

October 16, 2026 · Suggest an edit

Carnivorous. Small live and frozen foods (brine shrimp, cyclops, daphnia, fine bloodworms) should be the staple; it is reluctant to accept dry food.

Behavior and Compatibility

October 16, 2026 · Suggest an edit

For its size it is considered one of the most quarrelsome dwarf cichlids, especially toward its own kind. If more than one male is kept in a small tank, the dominant male may kill the others. The female guards the fry fiercely. It hunts baby shrimp.

Good companions: cardinal tetras, pencilfish and hatchetfish, which also like warm, soft water.

Avoid: other dwarf cichlids (in a small tank), a second male, hard-water species, shrimp breeding.

A short profile for this species

The Taeniacara candidi 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