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Mobula eregoodootenkee

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA CHONDRICHTHYES RAJIFORMES MOBULIDAE

Scientific Name: Mobula eregoodootenkee
Species Authority: (Bleeker, 1859)
Common Name/s:
English Pygmy Devilray

Assessment Information [top]

Red List Category & Criteria: Near Threatened ver 3.1
Year Published: 2003
Date Assessed: 2003-04-30
Assessor/s: Pierce, S.J. & Bennett, M.B. (SSG Australia & Oceania Regional Workshop, March 2003)
Reviewer/s: Kyne, P.M. & Cavanagh, R.D. (Shark Red List Authority)
Justification:
Mobula eregoodootenkee is locally common within its wide tropical Indo-west Pacific and northern Indian Ocean distribution. However, little is known about its biology and ecology, although inference from related Mobula species suggests this species is likely to have a low reproductive output. Mobula eregoodootenkee is likely to be a bycatch component of several fisheries through entanglement in nets, with much of this catch unreported. It is marketed in Thailand and probably elsewhere in South East Asia. Fishing pressure could severely impact this species, and given the lack of quantitative data available it is prudent to assign the species with an assessment of Near Threatened (close to Vulnerable A3d) until its population is otherwise proven to be stable. This species is of no commercial value in Australia and is not recorded as a catch in any domestic commercial fisheries. At this low level of exploitation its population is likely to be stable, and no immediate threats to its survival are apparent, thus the species is assessed as Least Concern in Australia.

Geographic Range [top]

Range Description: Mobula eregoodootenkee is widely distributed through the coastal continental waters of the tropical Indo-West Pacific. This species has been reported from the Western Indian Ocean, Eastern Indian Ocean and Western Central Pacific. It occurs in the Red Sea, Arabian Sea and Persian Gulf to South Africa and the Philippines, north to Viet Nam, and south to southeast Queensland and northern Western Australia in Australia. It has not been recorded from oceanic islands.
Countries:
Native:
Australia (Northern Territory, Queensland, Western Australia); Djibouti; Egypt; Eritrea; India; Indonesia; Iran, Islamic Republic of; Kenya; Kuwait; Madagascar; Malaysia; Mozambique; Myanmar; Oman; Pakistan; Papua New Guinea; Philippines; Qatar; Saudi Arabia; Somalia; South Africa; Sri Lanka; Sudan; Tanzania, United Republic of; Thailand; United Arab Emirates; Viet Nam; Yemen
FAO Marine Fishing Areas:
Native:
Indian Ocean – eastern; Indian Ocean – western; Pacific – western central
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The Northern Territory Government in Australia classed the conservation status of this species as Data Deficient within territorial waters in March 2002. No direct or indirect indices of abundance were available for this assessment. No subpopulations are known. Mobula eregoodootenkee is regarded as locally common over its range and fairly common within Queensland, Australia waters (Last and Stevens 1994, Compagno and Last 1999).
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: Mobula eregoodootenkee reaches a maximum size of approximately 100 cm disc width (DW). The neotype for this species, a male of 96.9 cm DW, was sexually mature (Notarbartolo-Di-Sciara 1987). These rays are ovoviviparous (uterine viviparity), usually producing one offspring per litter. This ray is not known to penetrate the epipelagic zone. Mating and birthing occur in shallow water, and juveniles remain in these areas. This species feeds on planktonic organisms and small fish (Michael 1993).
Systems: Marine

Threats [top]

Major Threat(s): This species is caught as bycatch in several fisheries through entanglement in nets. Fishing pressure could potentially impact this species due to its presumed low reproductive rate. It is marketed in Thailand and probably elsewhere in southeast Asia.

Conservation Actions [top]

Conservation Actions: None to date. Although the target fishery for Manta birostris was banned in the Philippines in 1998, fisheries continue for other species of mobulid, which are just as vulnerable to over-exploitation (Simpfendorfer et al. in press).
Citation: Pierce, S.J. & Bennett, M.B. (SSG Australia & Oceania Regional Workshop, March 2003) 2003. Mobula eregoodootenkee. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 20 April 2014.
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