Apristurus riveri

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	CHONDRICHTHYES	CARCHARHINIFORMES	SCYLIORHINIDAE

Scientific Name:

Apristurus riveri

Species Authority:

Bigelow & Schroeder, 1944

Common Name/s:

English	–	Broadgill Catshark
French	–	Holbiche Grandes Oreilles
Spanish	–	Pejegato Agallón

Assessment Information [top]

Red List Category & Criteria:

Data Deficient ver 3.1

Year Published:

2007

Assessor/s:

Leandro, L. & Kyne, P.M.

Reviewer/s:

Cavanagh, R.D. & Fowler, S.L. (Shark Red List Authority)

Justification:
An uncommon and poorly known deepwater catshark recorded from 732 to 1,461 m in the Western Central Atlantic where it is known from the northern Gulf of Mexico, Cuba, Dominican Republic, Mexico, Honduras, Panama, Colombia and Venezuela. Reaches 46 cm total length (TL) but nothing known of its biology. Of no interest to fisheries at present. Insufficient information available to assess the species beyond Data Deficient at this time.

History:

2004

–

Data Deficient

Geographic Range [top]

Range Description:	Western Central Atlantic: Known from Dominican Republic, Cuba, the northern Gulf of Mexico (Florida to Mississippi, USA), Mexico, Honduras, Panama, Colombia and Venezuela (Compagno et al. 2005).
Countries:	Native: Colombia; Cuba; Dominican Republic; Honduras; Mexico; Panama; United States (Alabama, Florida, Mississippi); Venezuela
FAO Marine Fishing Areas:	Native: Atlantic – western central
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	Reported as uncommon (Compagno in prep. b).
Population Trend:	Unknown

Habitat and Ecology [top]

Habitat and Ecology:	Known from the continental slope at depths of 732 to 1,461 m (Compagno et al. 2005). Maximum size 46 cm total length (TL); adult males 43 to 46 cm TL, adult females 40 to 41 cm TL. Little is known of its biology. Oviparous, with a single egg per oviduct laid at a time (Compagno in prep. b).
Systems:	Marine

Threats [top]

Major Threat(s):	Of no interest to fisheries (Compagno, in prep. b).

Major Threat(s):

Of no interest to fisheries (Compagno, in prep. b).

Conservation Actions [top]

Conservation Actions:	Further research is required on this poorly known species in order to better document its distribution, biology and bycatch levels.

Conservation Actions:

Further research is required on this poorly known species in order to better document its distribution, biology and bycatch levels.

Citation:	Leandro, L. & Kyne, P.M. 2007. Apristurus riveri. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 25 May 2012.
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