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Halophila minor

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA LILIOPSIDA HYDROCHARITALES HYDROCHARITACEAE

Scientific Name: Halophila minor
Species Authority: (Zoll.) Hartog
Common Name(s):
English Species code: Hm
Taxonomic Notes: Halophila minor is considered by some as a synonym of Halophila ovata. This species is a member of the Halophila ovalis complex, and is under taxonomic review.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2010
Date Assessed: 2009-05-10
Assessor(s): 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.
Reviewer(s): Livingstone, S., Harwell, H. & Carpenter, K.E.
Justification:
Halophila minor is a widespread species. It is threatened locally by coastal development and reduced water quality in some regions, but these are not thought to be causing serious declines on a global scale. This species is thought by some to be a synonym with H. ovata. Research on the taxonomy is recommended for this species. This species is listed as Least Concern.

Geographic Range [top]

Range Description: Halophila minor has an Indo-Pacific distribution. In the Pacific, it is found from southern Japan to Taiwan and Hainan Island (China) as well as southern Viet Nam and throughout Southeast Asia and the Philippines, the Caroline and Northern Mariana Islands. It also occurs in the Torres Straits through the Great Barrier Reef of Australia, New Caledonia and Vanuatu. In the Indian Ocean, it occurs on the east coast of Africa from Kenya through northern Mozambique.
Countries:
Native:
Australia; China (Hainan); Indonesia; Kenya; Malaysia; Micronesia, Federated States of ; Mozambique; New Caledonia; Palau; Papua New Guinea; Philippines; Singapore; Tanzania, United Republic of; Thailand; United States Minor Outlying Islands; Vanuatu; Viet Nam
FAO Marine Fishing Areas:
Native:
Indian Ocean – eastern; Indian Ocean – western; Pacific – northwest; Pacific – western central
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: There is no population information for this species. The population status is unknown.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: This species is ephemeral with rapid turn-over and high seed set, and it is well adapted to high levels of disturbance.

This species normally grows on coral sand or muddy sand together with H. ovalis or  with other tropical seagrasses in shallow water. It also extends into deeper water down to seven m where it forms sparse patches with other species such as Halodule pinifolia (Kuo et al. 2006).
Systems: Marine

Threats [top]

Major Threat(s): This species is threatened by coastal development and changes in shoreline land-use. It is also affected by water quality from sedimentation, trawling and mechanical damage from boats. These are local threats and are not thought to be causing serious declines on a global scale.

Conservation Actions [top]

Conservation Actions: There are no species conservation measures for this species. Research on the taxonomy of this species is recommended.

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. Halophila minor. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 25 July 2014.
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