Seagrass
Dugong grass
Halophila ovalis
- Long stems with flat oval leaves.
- Leaves: 5-20mm wide, 1-4mm long.
- Found in intertidal and subtidal zones to 48m.
- Monoecious or dioecious.
- Food source for dugongs and green turtles.
(Photographed at Stradbroke Island, Redland City, Queensland) |
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Eelgrass
Zostera capricorni
- Phylum:
- Long thin leaves with rounded tips.
- Leaves: 2.5mm wide, 3-5mm long.
- Found in intertidal and subtidal zones to 6m.
- Monoecious.
- Food source for green turtles
(Photographed at Stradbroke Island, Redland City, Queensland) |
Algae
Padina
Padina pavonea
- Phylum: Phaeophyta (Brown Algae).
- Common light brown, fan-shaped algae.
- Loosely attaches to rocks and seagrass meadows by rhizoids.
- Size: 40-120mm wide.
- Found in intertidal zones.
(Photographed at Ormiston, Redland City, Queensland) |
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Green Sponge Weed
Codium spongiosum
- Phylum: Chlorophyta (Green Algae).
- Green,, variously lobed, spongelike clumps.
- Grows on rocks.
- Found in lower intertidal and subtidal zones.
(Photographed at Stradbroke Island, Redland City, Queensland) |
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