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 Flathead catshark (Apristurus macrorhynchus)

  Index
> Photo
> Range Map
> Systematics
> Name
> Appearance
> Coloration
> Distribution
> Biology
> Feeding
> Size
> Reproduction
> Similar Species
> Endangerment
> Danger to Humans

 Photo

Flathead catshark
No image of Flathead catshark found in the Shark Database
 Range Map

Earth Map


 Systematics

Phylum: Vertebates (Chordata)

Class: Carlilagenous Fishes (Chondrichthyes)
  Order: Ground sharks (Carcharhiniformes)
    Family: Catsharks (Scyliorhinidae)
      Genus: Apristurus (Apristurus)


 Name

Scientific: Apristurus macrorhynchus
German: Flachköpfiger Katzenhai
English: Flathead catshark
French: Holbiche torazame
Spanish: Pejegato chato


 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).

 Coloration

Light grey to brown upper body, whitish ventral surface.

 Distribution

Western North Pacific: Japan (Honshu), China.

 Biology

Lives in deepwater, close to or at the bottom.

 Feeding

Unknown.

 Size

Maximum size about 66 cm.

 Reproduction

Egg laying (oviparous). Possibly a single egg per oviduct.

 Similar Species

Other species of the same genus (Apristurus) have a similar appearance but no others live in the same area.

 Endangerment

Status in the IUCN Red List(Version 2001):

Main criterion: > DD (Data Deficient)
Sub criterion:
Trend: Unknown


 Danger to Humans

Harmless.



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