Japanese catshark: Difference between revisions

Japanese catshark
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Order:	Carcharhiniformes
Family:	Scyliorhinidae
Genus:	Apristurus
Species:	A. japonicus
Binomial name
	Apristurus japonicus; Nakaya, 1975

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Revision as of 23:25, 6 August 2008

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The Japanese catshark, Apristurus japonicus, is a cat shark of the family Scyliorhinidae found in the northwest Pacific from off Chiba Prefecture, Honshū, Japan between latitudes 36° N and 34° N. Its length is up to 71 cm, and it can be found at depths of up to 2,000 m.

Japanese catsharks are named for their elongated eyes, resembling those of cats, as the lower lid has a longitudinal fold. The catshark has five gill openings, one of which is located on the pectoral fin. In addition to the dorsal fin, the catshark also has two small spineless dorsal fins. The Japanese catshark has been dated back to Jurassic times.

The main diet for this catshark includes invertebrates and small fish.

The little-known Japanese catshark is utilized for oil, human consumption and fishmeal or fish cakes.

Reproduction is oviparous, the eggs encased in a tough exterior that also encompassess small tendrils.

References

Froese, Rainer; Pauly, Daniel (eds.) (2006). "Apristurus japonicus" in FishBase. July 2006 version.

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 {{Sharksportal}}
-The '''Japanese catshark''', ''Apristurus japonicus'', is a [[cat shark]] of the [[family (biology)|family]] [[Scyliorhinidae]] found in the northwest [[Pacific]] from off [[Chiba Prefecture]], [[Honshū]], [[Japan]] between [[latitude]]s 36° N and 34° N.  Its length is up to 71 cm.
+The '''Japanese catshark''', ''Apristurus japonicus'', is a [[cat shark]] of the [[family (biology)|family]] [[Scyliorhinidae]] found in the northwest [[Pacific]] from off [[Chiba Prefecture]], [[Honshū]], [[Japan]] between [[latitude]]s 36° N and 34° N.  Its length is up to 71 [[centimetre|cm]], and it can be found at depths of up to 2,000 [[metre|m]].
+Japanese catsharks are named for their elongated eyes, resembling those of cats, as the lower lid has a longitudinal fold. The catshark has five [[gill]] openings, one of which is located on the [[pectoral fin]]. In addition to the [[dorsal fin]], the catshark also has two small spineless dorsal fins. The Japanese catshark has been dated back to [[Jurassic]] times.
+The main diet for this catshark includes [[invertebrate]]s and small fish.
 The little-known Japanese catshark is utilized for oil, human consumption and [[fishmeal]] or [[fish cake]]s.
-Reproduction is [[oviparous]].
+Reproduction is [[oviparous]], the eggs encased in a tough exterior that also encompassess small tendrils.
 ==References==
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 [[Category:Scyliorhinidae]]
 {{shark-stub}}
 [[nl:Japanse kathaai]]
-Japanese catsharks are named for their elongated eyes. These eyes resemble those of cats, as the lower lid has a longitudinal fold. The catshark has five gill openings, one of which is located on the pectoral fin. In addition to the dorsal fin, the catshark also has two small spineless dorsal fins. The Japanese catshark is one of the largest families of sharks and has been dated back to Jurassic times. The Japanese catshark lays eggs. The eggs are encases with a tough exterior that also encompassess small tendrils. The main diet for of this catshark includes invertebrates and small fish. The Japanese catshark can be found in tropical seas at depths of 2000 meters. Because of their dependece on salt water, the Japanese catshark is not commonly found in the fish trade. These sharks are not used as pets in an aquarium.