Family: Callichthyidae
Pygmy Catfish — a Callichthyidae from South America, peaceful giant of the bottom, indifferent to mid-water life. Reaches 4.9–7.3 cm; singly or in small groups depending on species size. 21–25 °C.
Corydoras pygmaeus, a member of the family Callichthyidae, comes from South America, where it inhabits slow streams over sand. Peaceful giant of the bottom, indifferent to mid-water life and opportunistic bottom-feeder with a broad palate, it grows to 4.9–7.3 cm and adapts well to a properly set-up aquarium in the 21–25 °C range. Other Corydoras species in our database include Corydoras aeneus, Corydoras paleatus, Corydoras panda.
A moderate-level species: peaceful giant of the bottom, indifferent to mid-water life; stable water matters more than fancy equipment.
Set the heater to 21–25 °C and avoid swings. pH 6–8, GH 2–25 dGH suit it.
Expect 4.9–7.3 cm as an adult, living bottom-dwelling. A 64 L tank or larger gives it room.
Opportunistic bottom-feeder with a broad palate. It forages naturally over fine sand, so let some food reach the bottom.
Peaceful giant of the bottom, indifferent to mid-water life; singly or in small groups depending on species size. Good company: Mid-water schooling fish — Use the space catfish ignore. Keep away from Fast surface feeders — Leave nothing for the bottom.
Its home waters are South America — slow streams over sand, with gentle.
Egg-depositing in hollows; some guard, some abandon. Females rounder.