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 Brown catshark (Apristurus brunneus)

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

 Photo

Brown catshark
No image of Brown 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 brunneus
German: Brauner Katzenhai
English: Brown catshark
French: Holbiche brune
Spanish: Pejegato marrón


 Appearance

Relatively slender body. Moderately long snout, bell-shaped and broad. Broad nostrils. Relatively small eyes (about 2.5% of total body length). Mouth directly under the eyes. Labial furrows present. First dorsal fin about the same size as second one. Origin of first dorsal fin slightly in front of the midbases of the pelvic fins. Origin of second dorsal fin in front of anal fin"s insertion. Very soft, flabby body with a weak skin.

 Coloration

Dark brown with conspicuous light posterior margins on fins.

 Distribution

Eastern Pacific: British Columbia to northern Baja California, Mexico and probably south to Panama, Ecuador and Peru.

 Biology

Common, bottom-oriented species that lives in deepwater down to a depths of 950 m, from the outer continental shelf and upper slope.

 Feeding

Feeds primarily on shrimps and small fishes.

 Size

Maximum size about 68 cm, average size between 40 and 60 m.

 Reproduction

Oviparous (egg laying). Females lay one egg per oviduct at the time. Egg cases are very small measuring approximately 5 cm in length and 2.5 cm in width. Period of incubation is approximately 1 year.

 Similar Species

Other species of the same genus have a similar appearance and taxonomic features have to be used to clearly distinguish.

 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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