Marbled Crayfish

Procambarus fallax

Family : Cambaridae

InvertebrateFreshwatercrayfish

Freshwater crayfish with a marbled brown and beige carapace. Reproduces by parthenogenesis.

Marbled Crayfish — photo 1 sur 3 — Walter Faxon · Wikimedia Commons · Public domain1 / 3

Popularity

Freshwater shrimp

group keeping

Availability

Specialty only

Shop availability

IUCN Status

Least Concern

Description

Procambarus fallax reaches up to 12 cm. Its coloration is variable, often marbled brown, beige and green. Its claws are slender. It is aggressive and territorial. It digs and may damage plants. Omnivorous, it accepts a wide variety of foods. Its peculiarity is parthenogenetic reproduction: females produce clones without males. It lives 2 to 4 years. It is very hardy.

Habitat

Region :

Swamps and rivers

Distribution :

Recommended parameters

Temperature20–28 °C

pH6.5–8

GH5–15 °dGH

KH3–10 °dKH

NO₃

≤ 20 mg/L

PO₄

≤ 0.5 mg/L

Care

Difficulty

1/5

Diet

Omnivore

Min. tank

60 L

Min. group

Adult size

12 cm

Lifespan

4 years

Temperament

Aggressive

Propagation

parthenogenetic

Care notes

Temperature 20-28°C, pH 6.5-8.0, GH 5-15, KH 3-10. A minimum 60-liter tank. Diet: pellets, vegetables, worms. Avoid very small fish. Lid mandatory. Many hiding places. Efficient filtration. Regular water changes. Nitrates < 20 mg/L. Beware of overpopulation due to parthenogenesis.

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