Parachromis friedrichsthalii Breeding Guide

How to breed Parachromis friedrichsthalii, a predatory Central American cichlid and biparental substrate spawner.

Overview

Parachromis friedrichsthalii is a predatory Central American cichlid native to the Atlantic slope from western Honduras to northern Guatemala, including the Usumacinta River in Mexico, Belize and Guatemala (Wikipedia, FishBase). It reaches about 28 cm in length, has a golden-yellow colouration with a dark horizontal band and is known for an ambush strategy of lying motionless before striking prey. Like other Parachromis it is a biparental substrate spawner.

Sexing

Detailed sexual dimorphism for this species is not documented in the consulted sources beyond general Parachromis traits. As with the genus, males typically grow larger and develop more pointed, extended dorsal and anal fins, which is the usual basis for distinguishing the sexes.

Breeding Setup

A large tank with sand and flat spawning surfaces suits this predatory species. FishBase lists a temperature range of 26-30 °C for the species and notes that it enters brackish water in the wild; specific pH and hardness breeding figures are not provided in the consulted sources.

Spawning Behavior & Trigger

As a substrate spawner in the genus Parachromis, a pair cleans a surface, spawns on it and guards the eggs and fry together. Species-specific spawning behavior is not detailed in the consulted whitelisted sources, so this is described at the genus level.

Egg & Fry Care

A spawn produces about 500-700 eggs (FishBase). Both parents tend the brood, consistent with the biparental care typical of the genus. A dedicated grow-out tank helps manage the predatory fry.

Common Challenges

Pairing aggressive Parachromis can be difficult, and an incompatible partner may be harmed; growing several juveniles together and letting a pair form is the usual approach. The predatory adults need a robust, spacious setup.