Alaskan Snow Crab
Snow crab like most other crabs, molt their shells in order to grow. These types of crabs are found in very icy waters and are much longer lived than warm-water crabs. They can live up to 10 years and often do not reach adulthood until they are 6 or 7 years old. As they age, they often develop black markings on their shells and are considered less appealing for eating purposes. Females often produce several hundred thousand eggs per year.