Squatina japonica

BLEEKER, 1858


Japanese angelshark
Classification: Elasmobranchii Squatiniformes Squatinidae

Reference of the original description
BLEEKER, P. (1858)
Vierde bijdrage tot de kennis der ichthyologische fauna van Japan. Acta Societatis Regiae Scientiarum Indo-Neêrlandicae, 3: 1-46

Image of the original description
No image in first description.

Synonyms / new combinations and misspellings
Rhina japonica, Squatina cf. japonica

Types
Squatina japonica
Holotype: RMNH: 7416


Description:


Citation: Squatina japonica BLEEKER, 1858: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 08/2014

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Common names
spa Angelote japonés, fra \(T\) Ange de mer Kasuzame, eng Change angel shark, eng Change canopy shark, eng Japanese angel shark, eng Japanese angelfish, eng Japanese monkfish

Short Description
Japanese angelshark Squatina japonica has broad pectoral fins with rounded free rear tips, posterior margin nearly straight, inner margin strongly convex; nasal barbels simple and spatulate. Anterior nasal flaps smooth to weakly fringed; dermal folds on sides of head without lobes. Rear tip of inner margin of pelvic fins considerably anterior to origin of first dorsal; very short hypocercal tail. Rows of moderately large spines on midline of back and tail from head to dorsal fins and between fin bases, and on snout and above eyes. Body color blackish brown with small dark and pale spots; no ocelli (eye-like spot) [518] (Ref. 31369) [1658]. Dorsal spines (total): 0; Anal spines: 0.

Distribution
Northwest Pacific: Japan, Yellow Sea, Korea, and northern China.

Human uses
Fisheries: minor commercial

Biology
A little-known angelshark, found on or near the bottom [518]. Lives in sandy ground. A carnivore that eats benthic animals [17641]. Ovoviviparous [733]. Utilized for human consumption and for preparation of shagreen [518].

Size / Weight / Age
Max length : 200 cm TL male/unsexed; [518]

Habitat
Demersal; marine; Subtropical; 41°N - 19°N, 111°E - 139°E (Ref. 54906)

Parasites (arranged by Jürgen Pollerspöck)
Cestoda
Copepoda
  • Eudactylina squatini IZAWA, 2011 [14349]
  • Trebius shiinoi NAGASAWA, TANAKA & BENZ, 1998 [7624] [19421]

Isopoda
  • Gnathia trimaculata COETZEE, SMIT, GRUTTER & DAVIES, 2009 [7418] [17188]