Corydoras cervinus Breeding Guide
Breeding notes for Corydoras cervinus, a Brazilian cory bred using the genus-typical T-position method, as species-specific protocols are not documented.
Overview
Corydoras cervinus is a callichthyid catfish from the Guaporé River basin in Brazil, with a maximum recorded length of about 4.9 cm. FishBase lists its preferred conditions as pH 6.0-8.0 and 22-26 °C. Detailed, species-specific spawning protocols are not documented in the consulted sources, so the genus-typical Corydoras breeding approach is described below.
Sexing
As in Corydoras generally, females are rounder and broader-bodied than males, an effect that is most apparent when viewed from above and when females are carrying eggs.
Breeding Setup
A separate spawning tank with a sand or fine-gravel base and gentle, well-oxygenated flow suits the genus. Maintain the water within the species' tolerated band of roughly 22-26 °C and pH 6.0-8.0 reported by FishBase.
Spawning Behavior & Trigger
Corydoras typically spawn in the T-position, in which the male clasps the female's barbels with his pectoral fin while she holds the eggs in a pelvic-fin basket for fertilisation. Cool, large water changes are the usual trigger reported for the genus.
Common Challenges
Because no published species-level breeding account was located, expect to adapt timing, temperature swing and conditioning by observation. Protecting eggs from being eaten and maintaining stable water quality are the consistent challenges across the genus.