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4 Life cycle. 5 Behaviour. 6 Human consumption. ... Crabs vary in size from the pea crab, a few millimeters wide, to the Japanese spider crab, with a leg span up to 4 ...
The coconut crab (Birgus latro) is a ... It shows a number of adaptations to life on land. ... and a leg span more than 0.91 m (3 ft), [15] with males generally being ...
The fiddler crab or calling crab can be one of the hundred species of semiterrestrial marine crabs in the family Ocypodidae. [2] These crabs are well known for their extreme sexual dimorphism, where the male crabs have a major claw significantly larger than their minor claw, whilst females claws are both the same size. [ 3 ]
Hermit crab species range in size and shape, from species only a few millimeters long to Coenobita brevimanus (Indos Crab), which can approach the size of a coconut and live 12–70 years. The shell-less hermit crab Birgus latro (coconut crab) is the world's largest terrestrial invertebrate .
Capture (blue) and aquaculture (green) production of Indo-Pacific swamp crab (Scylla serrata) in thousand tonnes from 1950 to 2022, as reported by the FAO [1]Scylla serrata (often called mud crab or mangrove crab, although both terms are highly ambiguous, and black crab) is an ecologically important species of crab found in the estuaries and mangroves of Africa, Australia, and Asia.
Paralithodes camtschaticus P. camtschaticus can reach a leg span of 1.8 m (5.9 ft). The red king crab is the largest species of king crab. [2] Red king crabs can reach a carapace width up to 28 cm (11 in), a leg span of 1.8 m (5.9 ft), [3] and a weight of 12.7 kg (28 lb). [4] Males grow larger than females.
The smallest species is the mangrove horseshoe crab (C. rotundicauda) and the largest is the tri-spine horseshoe crab (T. tridentatus). [ 44 ] On average, males of C. rotundicauda are about 30 centimeters (12 inches) long, including a telson that is about 15 cm (6 in), and a carapace about 15 cm (6 in) wide. [ 45 ]
The Tasmanian giant crab lives on rocky and muddy bottoms in the oceans off Southern Australia on the edge of the continental shelf at depths of 20–820 metres (66–2,690 ft). [ 2 ] [ 3 ] It is most abundant at 110–180 metres (360–590 ft) in the summer and 190–400 metres (620–1,310 ft) in the winter. [ 3 ]