Friday, October 29, 2010

Australian Cobalt Blue Giant Crayfish (Cherax cainii)

                                                                                     This species is also known as the blue marron. This species grows to 15 inches and can weigh up to five pounds. They are an intense dark blue. The downside is that this is a difficult species to keep long term. They require very high quality water (even low levels of ammonia will kill them) and should be kept in the 70s. They will start dying when temperature exceeds 80°F. Besides the water quality they do best with a small amount of sea salt ( we use one heaping teaspoon per 4 gallons) and with live blackworms and fish as a component of the diet. These are for serious hobbyists only.

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