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 Longhead catshark (Apristurus longicephalus)

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

 Photo

Longhead catshark
No image of Longhead 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 longicephalus
German: Langköpfiger Katzenhai
English: Longhead catshark
French: Holbiche à grande tête
Spanish: Pejegato cabezón


 Appearance

Relatively slender body, with trunk tapering slightly toward the head. Long snout, basally broad but distally parabolic and bell-shaped (preoral snout about 12% of total body length). Short gill slits, smaller than eye diameter. Broad nostrils (incurrent and excurrent apertures very large and oval). First dorsal fin smaller than second one (about 2/3 in base length). Origin of first dorsal fin opposite last third of pelvic fin bases. Insertion of second dorsal fin about opposite of anal fin insertion. Pectoral fins rather small. Pelvic fins moderately high and broadly rounded. Very long anal fin, low and angular (about five times as long as high).

 Coloration

Grey-black, no conspicuous markings.

 Distribution

Western Pacific: Off Japan (only known from the type locality; that is, the place where the specimen was found upon which the species description is based),

 Biology

Unknown. The specimen was found in deepwater, probably close to bottom.

 Feeding

Unknown.

 Size

Specimen size was 37.5 cm, maximum size most likely larger.

 Reproduction

Unknown, most likely oviparous (egg laying).

 Similar Species

Snout form is unmistakable.

 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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