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Flathead catshark
No image of Flathead catshark found in the Shark Database
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| Range Map |
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| Systematics |
Phylum: Vertebates (Chordata)
Class: Carlilagenous Fishes (Chondrichthyes)
Order: Ground sharks (Carcharhiniformes)
Family: Catsharks (Scyliorhinidae)
Genus: Apristurus (Apristurus)
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| Name |
| Scientific: | Apristurus macrorhynchus |
| German: | Flachköpfiger Katzenhai |
| English: | Flathead catshark |
| French: | Holbiche torazame |
| Spanish: | Pejegato chato |
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| Appearance |
Relatively slender body, with trunk tapering slightly toward the head. Moderately long snout, broad and bell-shaped (preoral snout about 10 to 11% of total body length). Short gill slits, much smaller than eye diameter. Broad nostrils (incurrent and excurrent apertures very large and oval). Base of second dorsal fin about 1.2 times of the first one. Origin of first dorsal fin opposite second half of pelvic fin bases. Insertion (end) of second dorsal fin slightly in front of anal fin insertion. Pectoral fins rather small. Pelvic fins low. Fairly short anal fin, high and angular (about four times as long as high).
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| Coloration |
Light grey to brown upper body, whitish ventral surface.
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| Distribution |
Western North Pacific: Japan (Honshu), China.
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| Biology |
Lives in deepwater, close to or at the bottom.
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| Size |
Maximum size about 66 cm.
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| Reproduction |
Egg laying (oviparous). Possibly a single egg per oviduct.
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| Similar Species |
Other species of the same genus (Apristurus) have a similar appearance but no others live in the same area.
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| Endangerment |
Status in the IUCN
Red List(Version 2001):
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| Main criterion: |
 DD (Data Deficient) |
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| Trend: |
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| Danger to Humans |
Harmless.
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