The male excavates the nest by removing small stones and pebbles, forming a depression about  deep and  in diameter with a fine gravel and sand bottom. Spawning occurs when a female moves over a nest and attaches to a rock.
To construct the nest, the male removes small stones and pebbles, forming a shallow depression about  deep and  in diameter with a fine gravel and sand bottom. Spawning occurs as a female approaches the nest and adheres to a rock.