Psychroteuthis glacialis
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Psychroteuthis glacialis, the glacial squid, is the only known species in the monotypic genus Psychroteuthis, in the family Psychroteuthidae. While only one species has been confirmed, two undescribed species also probably exist.Script error: No such module "Unsubst". The species occurs in coastal waters near Antarctica and South America. It grows to a mantle length of Script error: No such module "convert"..[1]
Ecology
P. glacialis is known to feed on many crustaceans, fish, lanternfish, Antarctic krill, and Antarctic silverfish, and has been known to practice cannibalism.[2] Animals known to routinely feed on glacial squid include the Antarctic petrel, light-mantled albatross, Ross seal, southern elephant seal, Weddell seal, Patagonian toothfish, wandering albatross, grey-headed albatross, the Adélie penguin, and the emperor penguin.[3]
Because of its central position in the food chain P. glacialis has been identified as an indicator species for bioaccumulation in its environment.[4]
Distribution
The squid inhabits the pelagic zone of the southern Ocean.[1] It is found in depths of Script error: No such module "convert"..[5]
References
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- ↑ a b Roper C.F.E., M.J. Sweeney & C.E. Nauen 1984. Cephalopods of the world. Food and Agriculture Organization, Rome, Italy.
- ↑ CephBase: Prey/Diet of Psychroteuthis glacialis Template:Webarchive
- ↑ CephBase: Predators of Psychroteuthis glacialis Template:Webarchive
- ↑ Script error: No such module "citation/CS1".
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External links
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- Tree of Life web project: Psychroteuthis glacialis