- English Common Name
- Dugong Grass, Paddleweed
- Scientific name
- Halophila ovalis
- Taxonomy
- Order: Alismatales, Family: Hydrocharitaceae
- Size
- About 3 cm (in height)
- Species Distribution
- Within Japan, distribution is limited to Ryukyu Islands. Overseas, this species is found near Australia and Polynesia, as well as in the Indian Ocean and Red Sea.
- Okinawan Common Name
- Jan-gusa (general term for seagrass)
- Japan Red List of Threatened Species: Near Threatened
- This species inhabits sandy or sandy-mud bottom of intertidal zones. Some leaves show magenta colored spots, but unlike Halophila major, its roots don’t turn magenta.
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- Updated December 2018
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