Urobatis tumbesensis

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

Bibliography

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	CHONDRICHTHYES	RAJIFORMES	UROTRYGONIDAE

Scientific Name:

Urobatis tumbesensis

Species Authority:

(Chirichigno & McEachran, 1979)

Common Name/s:

English

–

Tumbes Round Stingray

Assessment Information [top]

Red List Category & Criteria:	Data Deficient ver 3.1
Year Assessed:	2007
Assessor/s	Kyne, P.M. & Valenti, S.V.
Evaluator/s:	Gibson, C.G. Fowler, S.L. & Romero, M. (Shark Red List Authority)
Justification: Urobatis tumbesenis is known only from Puerto Pizarro, Tumbes, northern Peru. Both the type specimens were collected in estuarine waters at depths of 1 to 2 m and a further, more recent specimen (2006), was collected near mangroves. This Data Deficient round stingray is nevertheless of conservation concern due to its apparently restricted known distribution and its shallow inshore occurrence. Details are urgently required on any fishing activities within the area which may be taking this species, including as bycatch. Furthermore, surveys are needed in order to better define the species' distribution and extent of occurrence.

Geographic Range [top]

Range Description:	Known only from Puerto Pizarro, Tumbes, northern Peru.
Countries:	Native: Peru
FAO Marine Fishing Areas:	Native: Pacific – southeast

Population [top]

Population:	Unknown.
Population Trend:	Unknown

Habitat and Ecology [top]

Habitat and Ecology:	Type specimens taken in very shallow (1 to 2 m) estuarine waters (Chirichingo and McEachran 1979), with a further, more recent (2006), specimen taken in shallow waters near mangroves (M. Romero pers. comm). No details available on the biology of the species. Holotype is a 40.4 cm TL male, paratype a 15.7 cm TL male (Chirichingo and McEachran 1979).
Systems:	Marine

Threats [top]

Major Threat(s):	About 180 fishing vessels were known to be operating in the coastal fishery off Peru in 2003. Most catches are utilized for human consumption and about 750,000 tonnes were taken in 2001 in this fishery (FAO 2003). Given the restricted known range of the species and its occurrence in shallow estuarine waters, details are urgently required on any fishing activities within the area which may be taking this species, including as bycatch.

Major Threat(s):

About 180 fishing vessels were known to be operating in the coastal fishery off Peru in 2003. Most catches are utilized for human consumption and about 750,000 tonnes were taken in 2001 in this fishery (FAO 2003). Given the restricted known range of the species and its occurrence in shallow estuarine waters, details are urgently required on any fishing activities within the area which may be taking this species, including as bycatch.

Conservation Actions [top]

Conservation Actions:	Surveys of abundance and distribution are required, as are details on fisheries operating within the species' area of occurrence.

Conservation Actions:

Surveys of abundance and distribution are required, as are details on fisheries operating within the species' area of occurrence.

Bibliography [top]

Citations:	Chirichigno, N. and McEachran, J.D. 1979. Urolophus tumbesensis, a new stingray from the coast of Peru (Batoideo: Urolophidae). Copeia 1979(4): 709-713. Food and Agriculture Organization of the United Nations. 2003. Fisheries and Aquaculture Country Profile: Peru. Rome, Italy Available at: http://www.fao.org/fishery/countrysector/FI-CP_PE/en. IUCN. 2007. 2007 IUCN Red List of Threatened Species. Available at: www.iucnredlist.org. (Accessed: 12th September 2007). McEachran, J.D. and Notarbartolo di Sciara, G. 1995. Urolophidae. In: W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter & V.H. Niem (eds). Guia FAO para identificacion de especies para los fines de la pesca. Volumen II: Vertebrados (Parte 1). pp: 786–792. FAO. Rome, Italy. Shark Specialist Group. For more information, see the Specialist Group website.

Citations:

Chirichigno, N. and McEachran, J.D. 1979. Urolophus tumbesensis, a new stingray from the coast of Peru (Batoideo: Urolophidae). Copeia 1979(4): 709-713.

Food and Agriculture Organization of the United Nations. 2003. Fisheries and Aquaculture Country Profile: Peru. Rome, Italy Available at: http://www.fao.org/fishery/countrysector/FI-CP_PE/en.

IUCN. 2007. 2007 IUCN Red List of Threatened Species. Available at: www.iucnredlist.org. (Accessed: 12th September 2007).

McEachran, J.D. and Notarbartolo di Sciara, G. 1995. Urolophidae. In: W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter & V.H. Niem (eds). Guia FAO para identificacion de especies para los fines de la pesca. Volumen II: Vertebrados (Parte 1). pp: 786–792. FAO. Rome, Italy.

Shark Specialist Group. For more information, see the Specialist Group website.

Citation:	Kyne, P.M. & Valenti, S.V. 2007. Urobatis tumbesensis. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.1. <www.iucnredlist.org>. Downloaded on 22 March 2010.
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