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Hemigrapsus sanguineus, the Japanese shore crab or Asian shore crab, is a species of crab from East Asia. It has been introduced to several other regions, and is now an invasive species in North America and Europe. It was introduced to these regions by ships from Asia emptying their ballast tanks in coastal waters.
The Japanese spider crab has the greatest leg span of any known arthropod, reaching up to 3.7 m (12.1 ft) from claw to claw. [6] The body may grow to 40 cm (16 in) in carapace width and the whole crab can weigh up to 19 kg (42 lb) [7] —second in mass only to the American lobster among all living arthropod
Heikegani (平家蟹, ヘイケガニ, Literal meaning: Heike Crab, Heikeopsis japonica) is a species of crab native to Japan, with a shell that bears a pattern resembling a human face – an example of the phenomenon of pareidolia – which is interpreted to be the face of an angry samurai, hence the nickname samurai crab.
Soft-shell crabs can have the soft organs along the dorsal cavity removed during cleaning, or they can be left in for consumption. In the latter case, along the US Atlantic coast, the customer asks the vendor to leave "the mustard", referring to the yellow-orange color of the hepatopancreas, and the deep orange of the roe in a female crab. [14]
The largest females of the tri-spine horseshoe crab can be as much as 79.5 cm (31.3 in) long, including their tail. [9] On average in Sabah , Malaysia, females are about 66.5 cm (26.2 in) long, including a tail that is about 34.5 cm (13.6 in), and their carapace (prosoma) is about 31 cm (12 in) wide.
Hemigrapsus oregonensis, on Orcas Island, Washington. This crab is an intertidal crab with wide-set eyes and no rostrum.Despite its name, body color can vary. Often, the crab's rectangular-shaped carapace is deep red or brown with light green spots, but it can also be grey-green, yellow-green, pale green or white with small blue/black spots, as well as have lighter colored legs with similar ...
Achaeus japonicus, sometimes known as the orang-utan crab, [2] [3] is a crab of the family Inachidae (spider crabs or decorator crabs) which can be observed in tropical waters of the central Indo-Pacific.
Macrocheira is a genus of crab in the superfamily Majoidea. [1] It contains the Japanese spider crab ( Macrocheira kaempferi ) as well as an extinct species, Macrocheira longirostra . [ 2 ]