Cory Hastatus

Corydoras hastatus – Dwarf Cory Catfish

Overview:

Corydoras hastatus, commonly known as the Dwarf Cory or Tail Spot Pygmy Cory, is a charming and highly active schooling catfish perfect for nano and planted aquariums. Unlike most Corydoras species, they often swim in the middle and upper levels of the tank, adding movement and life throughout the water column. Their peaceful nature and small size make them an excellent choice for community tanks.

Fish Details:

Scientific Name: Corydoras hastatus

Common Name: Dwarf Cory, Tail Spot Cory

Adult Size: 1.0–1.2 inches

Origin: South America (Brazil, Peru, Bolivia)

Lifespan: 3–5 years with proper care

Temperament: Peaceful, social, and active

Water Parameters:

Temperature: 72–78°F (22–26°C)

pH: 6.0–7.5

Hardness: 2–12 dGH

Diet:

Corydoras hastatus are omnivores and thrive on a varied diet. Offer high-quality micro pellets, crushed flakes, sinking wafers, and live or frozen foods such as baby brine shrimp, daphnia, and microworms.

Tank Requirements:

Minimum Tank Size: 10 gallons

Substrate: Fine sand or smooth gravel to protect their delicate barbels

Decorations: Dense plants, driftwood, and hiding spots

Filtration: Gentle to moderate flow with well-oxygenated water

Lighting: Low to moderate

Behavior and Compatibility:

These corys are best kept in groups of six or more, where they exhibit their most natural and entertaining behaviors. Their unique habit of swimming in the midwater level makes them stand out from other bottom-dwelling catfish. Suitable tankmates include small peaceful fish such as rasboras, tetras, and other dwarf species.

Ideal For:

Nano and community aquariums

Planted tanks

Aquarists seeking an active and social schooling fish