dwarf corydoras (Corydoras hastatus)

Family: Callichthyidae

dwarf corydoras — a Callichthyidae from 南美洲, 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.

Care parameters

Water temperature
21–25 °C
pH
6–8
GH hardness
2–25 dGH
Adult length
4.9–7.3 cm
Minimum tank
64 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Peaceful giant of the bottom, indifferent to mid-water life
Origin
南美洲

Species overview

From the waters of 南美洲 comes Corydoras hastatus, a member of the family Callichthyidae. A whiskered bottom resident whose day begins when the lights go off. It lives on the bottom. Adults reach 4.9–7.3 cm. Singly or in small groups depending on species size. Feed sinking foods after lights-out, keep the sand soft, and never let nitrate climb unnoticed. Maintain 21–25 °C at pH 6–8. Best suited to a keeper who can match its natural water.

Native biotope

Habitat
Slow streams over sand
Flow
Gentle
Dissolved O₂
Moderate

Aquascape & hardware

Substrate
Fine sand
Hardscape
Driftwood and broad-leaf shade
Plants
Hardy low-light species

Temperament, diet & tankmates

Schooling
Singly or in small groups depending on species size
Diet
Opportunistic bottom-feeder with a broad palate
Recommended tankmates
  • Mid-water schooling fish — Use the space catfish ignore
Avoid keeping with
  • Fast surface feeders — Leave nothing for the bottom

Breeding & notes

Sexual dimorphism
Females rounder
Breeding method
Egg-depositing in hollows; some guard, some abandon