all animal facts

Snow Crab

Crabs are interesting and unique creatures. They come in many different shapes and sizes, but one of the most popular types is the snow crab. Snow crabs are a delicacy in many parts of the world and are highly sought after for their sweet, succulent meat. But what exactly is a snow crab? Let’s take a closer look at this fascinating creature.

Snow Crab
Snow Crab

Snow Crab Description

Snow crabs have round, segmented bodies and long, spindly legs with sharp claws. Their shells are usually tan or brown in color and can measure anywhere from six to eight inches in diameter. Underneath the shell lies a soft white body that is full of delicious sweetmeat.

Snow Crab Habitat

Snow crabs are found in cold ocean waters, typically near the shoreline. They can thrive in depths of up to 250 feet, but they prefer shallower waters of around 100 feet. Snow crabs are most commonly found in the North Atlantic Ocean, from Labrador and Newfoundland to Massachusetts and down to Virginia. They can also be found along the Pacific Coast from Alaska to Baja California. Snow crabs prefer areas with rocky or muddy bottoms where there is plenty of food for them to scavenge for. They have been known to inhabit artificial reefs, such as shipwrecks or discarded equipment, as well as natural environments such as seaweed beds and kelp forests. In colder regions like Alaska and northern Canada, snow crab populations will often move closer to shore during summer months when temperatures rise.

Snow Crab Diet

Snow crabs are omnivorous scavengers, meaning they will consume whatever food sources they can find. In their natural habitats, their main diet consists of small gastropods, polychaetes like worms and clams, echinoderms like sea urchins and starfish, sea anemones, and other crustaceans. They also feed on fish eggs and larvae, as well as plant matter such as kelp and seaweed. When it comes to feeding habits, snow crabs are opportunistic eaters. They mainly forage for food during the night when the water is cooler and there is less competition from predators. During the day, they may remain in their clusters or go into hiding in crevices or burrows to conserve energy. Snow crabs have even been known to climb up rocks near the shoreline to hunt for prey – an impressive feat for a creature without any fins!

Snow Crab Image
Snow Crab Image

Snow Crab Size

Snow crabs are not particularly large creatures, with most adults ranging in size from 3.5 to 6 inches across their carapace (hard shell). However, there have been reports of snow crabs reaching sizes up to 9 inches across the carapace. These larger specimens are usually found in deeper waters and may be up to 10 years old or more. Snow crab size is also affected by molting; when a snow crab molts its hard shell, it will emerge at a slightly larger size than before. In terms of weight, adult snow crabs typically range from 12-24 ounces (340-680 grams). This can vary depending on the species; for example, some northern species such as Chionoecetes opilio may reach weights of up to 32 ounces (900 grams).

Snow Crab Lifespan

Snow crabs typically have a lifespan of around 6-7 years, although some specimens may live up to 10 years or more in the wild. In captivity, they can live even longer due to being provided with optimal conditions and abundant food sources. The life cycle of a snow crab begins with an egg clutch, which is laid in shallow waters and incubates for around 1-3 months.

During this time, the eggs are vulnerable to predation by fish, seals, and other predators. After hatching, the larvae drift through the water column before eventually settling on the seafloor where they will continue growing. When it comes to longevity, female snow crabs tend to outlive males due in part to their greater body size; females may reach up to 10 years whereas males typically die off at around 5-7 years old. Additionally, females are able to reproduce multiple times throughout their lifetime whereas males only mate once before dying off – making them extremely important members of their communities!

Snow Crab Behavior

Snow crabs are social creatures and form large colonies in their habitat. During mating season, male snow crabs can be seen competing for a female’s attention by waving their claws in the air or engaging in aggressive behavior with other males. Overall, snow crabs are fascinating animals that provide us with delicious seafood meals. From their unique physical characteristics to their delightful behavior, they are truly a wonder to behold!

Snow Crab Picture
Snow Crab Picture

Snow Crab Speed

Snow crabs are surprisingly fast creatures – they can scuttle across the seafloor at speeds of up to 1.2 miles per hour (2 km/h). This swiftness helps them escape predators, navigate their environment, and find new food sources. Despite their impressive speed, snow crabs are no match for larger predators like seals or whales; these animals can easily outmaneuver them in open water due to having greater mobility and swimming capabilities. Thus, they tend to stick close to the seafloor where they have more protection from predation.

Snow Crab Hunting

Due to their high value as a seafood delicacy, snow crabs are heavily hunted and harvested by commercial fisheries around the world. This is particularly true in places like Canada, Alaska, and Japan where they are an important part of the local fishing industry. Snow crabs are typically caught using traps that have bait inside them. Once the crabs enter the trap they will be unable to escape due to its design – meaning they can easily be collected by fishermen. Other methods used for capturing snow crabs include trawling nets, dredges, and longlines.

Snow Crabs as Seafood

Snow crabs are a popular seafood item and are often served boiled, steamed, or grilled. Their delicate white meat is rich in flavor and can be used for many recipes such as salads, pasta, and chowders. Additionally, snow crab legs can be eaten on their own with some melted butter for dipping. Snow crab is also very nutritious, containing high amounts of protein, calcium, and vitamin B12. The next time you visit a seafood restaurant, consider adding snow crab to your order!

Snow Crab Facts
Snow Crab Facts


Snow crabs are unique and fascinating creatures that play an important role in marine ecosystems. From their remarkable behavior to the delicious meals they provide us with, snow crabs have a lot to offer! We must do our part to ensure that these animals are protected from overfishing and other human activities so that future generations can continue to enjoy them. We hope this article has helped you learn more about snow crabs – they really are incredible animals!

Frequently Asked Question


The Snow Crab gets its name from the white color of its legs, which resemble patches of snow against its dark-brown shell.


Snow Crabs are omnivorous scavengers that feed on a wide range of items, including algae, small crustaceans, dead fish, and other organic material found in the ocean. They particularly enjoy mussels and different species of worms.


Snow Crabs are widely distributed throughout the North Pacific and Atlantic coasts, as well as the waters around Iceland. They can be found in the colder waters of countries such as Canada, Alaska, Japan, Russia, Norway, and Greenland.


Snow Crabs typically range from 3.5 to 6 inches in width and can weigh up to 5 pounds. They also have long thin legs that can grow up to 9 inches in length. The size of the Snow Crab will depend on its age, with older individuals being larger than younger ones.


The scientific name for a Snow Crab is Chionoecetes opilio.
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