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The Japanese spider crab (Macrocheira kaempferi) is a species of marine crab and is the biggest one that lives in the waters around Japan. At around 3.7 meters, it has the largest leg-span of any arthropod. The Japanese name for this species is taka-ashi-gani, (Japanese: タカアシガニ), literally translating to "tall legs crab". It goes ...
Endemic crustaceans of Japan (9 P) Pages in category "Crustaceans of Japan" The following 19 pages are in this category, out of 19 total.
Although most crustaceans are small, their morphology varies greatly and includes both the largest arthropod in the world – the Japanese spider crab with a leg span of 3.7 metres (12 ft) [45] – and the smallest, the 100-micrometre-long (0.004 in) Stygotantulus stocki. [46]
Crabs vary in size from the pea crab, a few millimeters wide, to the Japanese spider crab, with a leg span up to 4 m (13 ft). [6] Several other groups of crustaceans with similar appearances – such as king crabs and porcelain crabs – are not true crabs, but have evolved features similar to true crabs through a process known as carcinisation.
The largest females have a total length of 225 millimetres (8.9 in) and the largest males grow to 170 millimetres (6.7 in). The more common measurements for females are 170–200 millimetres (6.7–7.9 in) body length and for males 130–140 millimetres (5.1–5.5 in).
The Registry of World Record Size Shells is a conchological work listing the largest (and in some cases smallest) verified shell specimens of various marine molluscan taxa.A successor to the earlier World Size Records of Robert J. L. Wagner and R. Tucker Abbott, it has been published on a semi-regular basis since 1997, changing ownership and publisher a number of times.
When light bounces off a highly-reflective layer called the tapetum lucidum at the back of their eyes, it makes them appear to glow. [8] B. giganteus reaches a typical length between 19 and 36 cm [ 9 ] an individual claimed to be 76 cm long has been reported by the popular press, but the largest confirmed was ca. 50 cm. [ 10 ]
Gigantocypris, sometimes known as giant ostracod [1] or giant seed shrimp, [2] is a genus of ostracod crustaceans in family Cypridinidae, [3] and among the most well-known members of the class Ostracoda (together with Vargula hilgendorfii). [4]