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sera guide - Shrimps and crayfish

5 Crayfish species These colorful crayfish are consider- ably larger than the Cambarellus species, and they live longer – up to 8 years. They are usually peaceful. Due to their large claws they move somewhat clumsily. Cherax species like to hide. Some species are noc- turnal, whereas other look for food also during daytime. Cherax species Dwarf crayfish – Cambarellus species Cambarellus species are well suited for keeping in aquariums. Fully grown, their size is between 3 and 6 cm (1.2 – 2.4 in.). It is not advisable to keep them together with shrimps, since shrimps may be considered a welcomed snack. Plants are not eaten, therefore you can keep dwarf crayfish in planted aquariums. Their lifetime is between 1.5 to 2 years. Cambarellus species originate from South America.