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InvertebratemediumFreshwater

White Specter Crayfish

Procambarus sp.

📍 North America (Procambarus genus native to southeastern United States)

The White Specter Crayfish is a striking freshwater invertebrate prized for its pale, ghost-like coloration and active nocturnal behavior. These solitary crayfish are moderately hardy and make excellent additions to established tanks with adequate hiding spaces and stable water parameters. They are opportunistic omnivores that will scavenge and hunt, requiring careful tank mate selection.

Size5"

Min Tank20g

aggressive

Zonebottom

Care Guide

Diet

Feed sinking pellets, blanched vegetables (zucchini, spinach), and occasional protein sources like bloodworms or small shrimp. Crayfish are opportunistic scavengers and will consume algae wafers, biofilm, and decaying plant matter. Feed 2-3 times weekly, removing uneaten food after 24 hours to maintain water quality.

Behavior

White Specter Crayfish are primarily nocturnal and spend daylight hours hiding in caves, driftwood, or dense vegetation. They are solitary and highly territorial, often fighting with conspecifics and consuming smaller tank mates. They molt periodically, becoming vulnerable during this time; provide plenty of shelter to reduce stress and predation risk.

Breeding

Breeding in captivity is possible but challenging. Females produce eggs that are carried under the tail for several weeks before hatching into miniature crayfish. Breeding pairs require isolation and excellent water quality. Juveniles are cannibalistic and must be separated or provided with abundant hiding spaces and food.

Tank Mates

Bristlenose Pleco

Nocturnal and bottom-dwelling; may compete for food and space but generally avoid direct conflict if tank is large enough

caution

Otocinclus

Small size makes them vulnerable to predation; only suitable in larger, heavily planted tanks with abundant hiding

caution

Java Moss

Provides shelter and biofilm; crayfish will not destroy it and will graze on associated microorganisms

good

Anubias Nana

Hardy plant that provides hiding spots; crayfish will not uproot or consume it

good

Common Diseases

Molting Complications

Symptoms

Crayfish stuck in old exoskeleton, inability to emerge, lethargy, loss of limbs post-molt

Treatment

Provide optimal water parameters (stable pH, adequate hardness for shell formation), ensure abundant hiding spaces to reduce stress, and maintain pristine water quality. Do not disturb molting crayfish; they are extremely vulnerable.

Shell Erosion / Soft Shell Disease

Symptoms

Soft, pitted, or degraded exoskeleton; difficulty molting; visible damage to shell surface

Treatment

Increase water hardness (6+ dGH) with calcium supplements or crushed coral; ensure adequate mineral content in diet; maintain pH 7.0-8.0; perform regular water changes to prevent ammonia/nitrite accumulation.

Parasitic Infections (Flukes, Copepods)

Symptoms

Visible parasites on body or gills, lethargy, loss of appetite, erratic behavior, excessive grooming

Treatment

Perform 25-30% water changes; increase aeration; treat with aquarium salt (1 tsp per 5 gallons) if confirmed; avoid copper-based treatments as crayfish are sensitive. Quarantine affected individuals if possible.

Bacterial Infection / Necrosis

Symptoms

Discolored patches on body, rotting limbs or antennae, open wounds, foul odor from tank

Treatment

Maintain pristine water quality with frequent partial water changes; remove decaying food and waste immediately; provide optimal temperature and pH; consider antibiotic treatment in severe cases; isolate affected crayfish if tank mates are present.

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Quick Facts

diet: Omnivore/detritivore - scavenges biofilm, decaying plant matter, and small invertebrates
lifespan: 3-5 years
max size: 12-13 cm (5 in)
tank size: 20 gallons minimum
temperament: aggressive