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Squatina japonica:   (click for more)

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FAO Names
En - Japanese angelshark, Fr - Ange de mer Kasuzame, Sp - Angelote japonés.
3Alpha Code: SUJ     Taxonomic Code: 1090300409
Scientific Name with Original Description
Squatina japonica  Bleeker, 1858, Act. Soc. Sci.Ind.Neer.(Japon.), 3:40. Holotype: Rijksmuseurn van Natuurlijke Historie, Leiden, RMNH 7416, 525 mm male. Type Locality: Nagasaki, Japan.
Diagnostic Features
fieldmarks: An angelshark with simple, spatulate nasal barbels and weakly fringed or smooth anterior nasal flaps, dermal flaps on sides of head without angular lobes, large eyes with interspace between them and spiracles less than 1.5 times eye diameter, fairly broad and posteriorly rounded pectoral fins, and no ocelli on body.

Trunk moderately narrow.  Anterior nasal barbels simple and with a narrow, spatulate tip; posterior margin of anterior nasal flaps between nasal barbels and tips weakly fringed or smooth; distance from eye to spiracle less than 1.5 times eye diameter; dermal folds on sides of head without triangular lobes.  Pectoral fins rather broad and high, with rounded free rear tips.  Moderately large spines present on midline of back and tail from head to dorsal fins and between the fin bases, and on snout and above eyes.  No ocelli on body. 
Geographical Distribution

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Western North Pacific: Southeastern Sea of Japan to Yellow Sea, Japan, the Koreas, northern China, ?the Philippines.
Habitat and Biology
A little-known angelshark of temperate. western North Pacific waters, found on or near the bottom.
Size
Maximum total length to 2 m long.
Interest to Fisheries
Details of fisheries off China, Japan and the Republic of Korea sketchy but apparently taken in large numbers off China.
Used for human consumption and for preparation of shagreen for polishing and finishing woodworks.
Source of Information
FAO species catalogue Vol.4. Sharks of the world. An Annotated and Illustrated Catalogue of Shark Species Known to Date Part 1 - Hexanchiformes to Lamniformes. Compagno, L.J.V.1984FAO Fisheries Synopsis.  , (125) Vol.4, Part 1.
Bibliography
Bigelow & Schroeder, 1948
Fowler, 1941
 
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