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- While sometimes thought of as a bacterial or viral disease, it is caused by a dinoflagellate (an algae-like organism) belonging to the genus Hematodinium, although it is distinct from other species that infect species other than Tanner and snow crabs (Chionoecetes spp.).
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What is a Chionoecetes crab?
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What do Chionoecetes opilio crabs eat?
Seven extant species are currently recognised in the genus: Chionoecetes angulatus Rathbun, 1924 – triangle tanner crab; Chionoecetes bairdi Rathbun, 1924 – tanner crab, bairdi, or inshore tanner crab; Chionoecetes elongatus Rathbun, 1924; Chionoecetes japonicus Rathbun, 1932 – beni-zuwai crab
Females have a maximum carapace width of only about 80-95 mm, and leg spans averaging 38 cm, while males may have a carapace width of up to 165 mm and leg spans of approximately 90 cm. On average, commercially caught males weigh 0.5-1.35 kg, while females weigh only 0.5 kg.
As the genus Cancer was divided up, the species C. opilio was transferred to a new genus, Chionoecetes by Henrik Nikolai Krøyer in 1838. C. opilio was the only species in the genus at first, so it is the type species. Mary J. Rathbun described a subspecies, C. o. elongatus, in 1924.
The generic name Chionoecetes means snow (χιών, chion) inhabitant (οἰκητης, oiketes); opilio means shepherd, and C. opilio is the primary species referred to as snow crab. Marketing strategies, however, employ snow crab for any species in the genus Chionoecetes. The name "snow crab" refers to their being commonly found in cold ...
It is a well-known commercial species of Chionoecetes, often caught with traps or by trawling. Seven species are in the genus Chionoecetes, all of which bear the name 'snow crab'. C. opilio is also related to Chionoecetes tanneri, commonly known as the tanner crab, and other crab speci (Source: Wikipedia, '', http://en.wikipedia.org/wiki ...
Decapoda: specimens (1) Superfamily Majoidea. Majoidea: pictures (9) Family Oregoniidae. Genus Chionoecetes. Species Chionoecetes angulatus triangle Tanner crab. Species Chionoecetes bairdi southern Tanner crab. Species Chionoecetes opilio snow crab. Chionoecetes opilio: information (1)
Chionoecetes is a genus of crabs that live in the northern Pacific and Atlantic Oceans.Other names for crabs in this genus include "queen crab" (in Canada) and "spider crab" – they are known by different names in different areas of the world. The generic name Chionoecetes means snow (χιών, chion)…
