Rhinobatos planiceps 


Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Chondrichthyes Rajiformes Rhinobatidae

Scientific Name: Rhinobatos planiceps
Species Authority: Garman, 1880
Common Name(s):
English Flathead Guitarfish, Pacific Guitarfish
Spanish Pez-guitarra
Taxonomic Notes: In Chile, a second rhinobatid species is known from just a dried head - Tarsistes philippi Jordan 1918. The taxonomic situation of this species is not clear.

Assessment Information [top]

Red List Category & Criteria: Data Deficient ver 3.1
Year Published: 2004
Date Assessed: 2004-04-30
Needs updating
Assessor(s): Lamilla , J.
Reviewer(s): Kyne, P.M., Cavanagh, R.D. & Fowler, S.L. (Shark Red List Authority)
An inshore Eastern Pacific endemic guitarfish known from the west coast of South America to Chile and also the Galapagos Islands (and likely to occur in the Galapagos Marine Reserve). No information available on its biology, threats or status and at present this species cannot be assessed beyond Data Deficient.

Geographic Range [top]

Countries occurrence:
Chile; Ecuador (Galápagos); Peru
FAO Marine Fishing Areas:
Present - origin uncertain:
Pacific – eastern central; Pacific – southeast
Range Map: Click here to open the map viewer and explore range.

Population [top]

Current Population Trend: Unknown
Additional data:

Habitat and Ecology [top]

Habitat and Ecology: This species may be naturally rare and is only seldom caught. Occurs inshore in Chile. Fishbase gives the maximum size as 76.3 cm total length (TL), but notes that apparently it may reach 170 cm TL. Nothing reported of its biology.
Systems: Marine

Threats [top]

Major Threat(s): Known to be taken in inshore fisheries off beaches in the north of Chile (Iquique and Antofagasta). May be taken by other inshore fisheries throughout its range, but no information is available.

Conservation Actions [top]

Conservation Actions: Likely to occur in the Galapagos Marine Reserve.

Citation: Lamilla , J. 2004. Rhinobatos planiceps. The IUCN Red List of Threatened Species 2004: e.T44584A10908941. . Downloaded on 01 June 2016.
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