Channa striata Breeding Guide

How the striped snakehead Channa striata reproduces: both parents build a vegetation nest and guard the orange fry; a metre-long food fish that is impractical to breed at home.

Overview

Channa striata is a widespread Asian snakehead and an important food fish across its native range, which spans southern China, Pakistan, most of India, southern Nepal, Bangladesh, Sri Lanka and most of Southeast Asia. It grows up to a metre in length, though fishing means this size is rarely found in the wild. It is common in freshwater plains, migrating from rivers and lakes into flooded fields and returning to permanent waters in the dry season, where it survives by burrowing in the mud.

Spawning Behavior & Trigger

During breeding both males and females help to construct a nest out of water vegetation. The species breeds in ditches, ponds and flooded paddy fields. During mating in captivity, as soon as the male bends its body close to the female, milt is released following the release of the eggs. The fish becomes especially aggressive when breeding and will attack anything moving.

Egg & Fry Care

The eggs are guarded by both parents. The fry are reddish orange and are guarded by both parents until they turn greenish brown at around 5-6 cm. Young fish shoal at the surface where the male parent provides protection, with the offspring hiding below the surface water. FishBase models estimate a fecundity of approximately 324 eggs.

Breeding Setup

• Natural spawning sites: ditches, ponds and flooded paddy fields
• Temperature: 23-27 C
• pH: 7.0-8.0
• Adult size up to 100 cm SL; common length around 61 cm

Common Challenges

The species' adult size and breeding aggression make a domestic spawning attempt unsafe and impractical. A securely covered, very large enclosure would be required, and surplus fish must be kept apart from a breeding pair.