Dwarf Orange Crayfish

Cambarellus sp. orange

Animalia›Arthropoda›Malacostraca›Decapoda›Cambaridae

Variety of Mexican Dwarf Crayfish · orange

📍 Central America

This refers to orange-colored dwarf crayfish in the Cambarellus genus kept in the hobby, displaying a warm orange coloration similar to the CPO but potentially from a different or unclassified lineage. Small, peaceful, and beginner-friendly, it is a great addition to community nano tanks and will not threaten most fish or larger shrimp.

Size1.6"

Min Tank10g

peaceful

Zonebottom

Care Guide

Diet

Dwarf Orange Crayfish are omnivorous scavengers that consume algae, decaying plant matter, and small organisms. Feed sinking pellets, algae wafers, and blanched vegetables (zucchini, spinach) 2-3 times weekly. Supplement occasionally with frozen foods like bloodworms or brine shrimp to provide protein and encourage natural foraging behavior.

Behavior

These crayfish are primarily nocturnal and spend much of their time hiding among plants and décor, emerging at dusk to forage. They are peaceful toward fish and larger shrimp but may prey on very small fry or weak individuals. They are solitary and territorial toward other crayfish, so only one should be kept per tank unless the aquarium is very large with abundant hiding spaces.

Breeding

Breeding in captivity is possible but uncommon in home aquariums. Females produce small clutches of 10-20 eggs and exhibit maternal care, fanning and protecting their brood. Provide plenty of hiding spaces and stable water conditions; remove fry to a separate rearing container with fine foods like infusoria or liquid fry food for best survival rates.

Tank Mates

Otocinclus

Peaceful algae eaters with similar small size and bottom-dwelling habits; no competition for food or space

excellent

Emerald Dwarf Rasbora

Small, peaceful fish that occupy mid-water zones and do not compete with crayfish for resources

excellent

Red Cherry Shrimp

Similar water parameters and peaceful temperament; may occasionally be hunted if very small, but generally compatible

good

Dwarf Gourami

Peaceful, small fish that occupy upper water zones; minimal interaction with bottom-dwelling crayfish

good

Anubias Nana

Hardy plant that crayfish will not uproot; provides shelter and natural décor for the crayfish

excellent

Java Moss

Dense moss provides hiding spaces and grazing material; crayfish will not destroy it and will forage among it

excellent

Common Diseases

Shell Rot (Bacterial Infection)

Symptoms

Soft spots, discoloration, or pitting on the exoskeleton; lethargy and loss of appetite

Treatment

Perform frequent water changes, improve water quality, and remove decaying food. Treat with antibacterial medication if severe; ensure adequate calcium for shell health

Parasitic Infection

Symptoms

Visible parasites on body, excessive molting, lethargy, and reduced feeding

Treatment

Quarantine affected individual; treat with appropriate anti-parasitic medication and maintain pristine water conditions. Increase water changes and remove uneaten food promptly

Molting Complications

Symptoms

Difficulty shedding exoskeleton, incomplete molts, or inability to emerge from old shell

Treatment

Ensure adequate calcium and minerals in water; provide iodine supplements if needed. Maintain stable water parameters and avoid stress; do not assist molting as it can cause injury