Macropharyngodon choati (Choat's Leopard Wrasse) Breeding Guide

Macropharyngodon choati is an Australian leopard wrasse notorious for low survival on import. It is protogynous, sleeps in sand and broadcast-spawns pelagic eggs; it is not bred in aquaria.

Overview

Macropharyngodon choati, Choat's Leopard Wrasse, is a labrid endemic to the Western Pacific waters of Australia. FishBase records it from channels and seaward reefs, usually at 0-30 m, in subtropical water of 23-26 °C. Its body is whitish with orange blotches and bands and a black, yellow-edged spot on the opercle. FishBase classifies it as oviparous with distinct pairing during breeding.

Sexing

As a leopard wrasse, the species is a sequential protogynous hermaphrodite in which females can transition to males according to social rank. Reef Builders recommends keeping leopard wrasses in haremic groups of one male with several females. Reliable visual sexing for pairing is therefore not practical at purchase.

Conditioning

Leopard wrasses graze continuously on micro and macro invertebrate fauna in the substrate. Reef Builders notes the captive environment best suited to them is a mature, well-established reef, not a fish-only system. M. choati is among the hardest to feed successfully on import, and no conditioning protocol leading to captive spawning has been published.

Breeding Setup

No aquarium breeding setup exists. The species needs a soft sand bed to seek refuge in at nightfall and a well-aged reef rich in live food. Given its notoriously low survival rate in captivity, establishing a stable group is itself the limiting step, well before any reproductive attempt.

Spawning Behavior & Trigger

As a labrid, M. choati broadcast-spawns pelagic eggs into the water column with no parental care, and FishBase records distinct pairing during breeding. The triggers are reef-scale environmental cues rather than tank parameters, so spontaneous spawning is not expected in captivity.

Egg & Fry Care

Eggs and the resulting larvae are pelagic, drifting in the plankton until settlement. The very small first-feeding larval stages cannot be reared in home aquaria, which is the central reason the species is not captive-bred.

Common Challenges

Choat's Leopard Wrasse combines exceptionally low import survival, a strict requirement for a mature reef with live micro-invertebrate food and a sand bed, broadcast pelagic spawning and protogynous social biology. These factors make purposeful breeding impractical and reserve the species for the most experienced aquarists.