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Description |
Geographic Range [top]
Range Description: Syringodium isoetifolium has a wide Indo-Pacific distribution. In the Pacific, it is found from southern Japan, Taiwan and Hainan, China, the Philippines, Indonesia, and Malaysia extending to the south tip of Vietnam and across insular Southeast Asia to Fiji and Samoa, Micronesia and across northern Australia and the Great Barrier Reef.
In the Indian Ocean, it is found from Geographe Bay in Western Australia extending north across the Timor Sea, the south coast of Indonesia, and throughout the Andaman Sea to Myanmar and along the Coromandel and Malabar Coasts in India, to Sri Lanka, and the Maldives Islands and Chagos Archipelago. It ranges from the Gulf of Oman to the Red Sea, south to Mozambique, and to Madagascar and the islands of the western Indian Ocean.
Countries occurrence:
Native:
Australia; British Indian Ocean Territory (Chagos Archipelago); China; Comoros; Egypt; Fiji; India; Indonesia; Japan; Kenya; Madagascar; Malaysia; Maldives; Mauritius; Micronesia, Federated States of ; Mozambique; New Caledonia; Oman; Palau; Papua New Guinea; Philippines; Samoa; Saudi Arabia; Seychelles; Singapore; Solomon Islands; Sri Lanka; Sudan; Tanzania, United Republic of; Thailand; Tonga; United States Minor Outlying Islands; Vanuatu; Viet Nam; Wallis and Futuna; Yemen
FAO Marine Fishing Areas:
Native:
Indian Ocean – western; Indian Ocean – eastern; Pacific – eastern central; Pacific – northwest; Pacific – southwest; Pacific – western central
Additional data:
? Lower depth limit (metres): 15
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: Syringodium isoetifolium is a common and widespread species. The population is thought to be overall stable. It is increasing locally in some places (Udy et al. 1999, Rasheed 2004).
Current Population Trend: Stable
Additional data:
? Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology: Syringodium isoetifolium inhabits clear waters and prefers sandy substrates and is usually found in shallow waters in the lower inter- and subtidal areas up to 15 m depth.
In Fiji and Samoa, some populations are occasionally exposed during extreme low tide on the reef flats (Skelton and South 2006). Syringodium isoetifolium does not cope well with disturbance (Birch and Birch 1984). In the Andaman Sea, this species occurs densely in subtidal areas on fine sediment. It occurs as a widespread and dominant seagrass species in Fiji. In the Western Pacific islands, it is found in dense meadows associated with reefs and on reef platforms.
Systems: Marine
Use and Trade [top]
Use and Trade: Pickled and eaten in Philippines (N. Montanio pers. comm. 2008)
Threats [top]
Major Threat(s): Syringodium isoetifolium can be affected locally by coastal development, sedimentation and pollution.
Conservation Actions [top]
Conservation Actions: This species occurs in a number of marine protected areas throughout its range.
Citation: Short, F.T., Coles, R., Waycott, M., Bujang, J.S., Fortes, M., Prathep, A., Kamal, A.H.M., Jagtap, T.G., Bandeira, S., Freeman, A., Erftemeijer, P., La Nafie, Y.A., Vergara, S., Calumpong, H.P. & Makm, I. 2010. Syringodium isoetifolium. The IUCN Red List of Threatened Species 2010: e.T173332A6992969. http://dx.doi.org/10.2305/IUCN.UK.2010-3.RLTS.T173332A6992969.en. Downloaded on 30 June 2017.
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