| purple sea urchin(expression, forest, fauna, species) |
| red algae(expression, species, flora, marine, algae) |
| red mangrove(expression, idiom, fauna, species, plant) |
| sargassum muticum(expression, species, flora, marine, algae) |
| sculpin(noun, fauna, species, biodiversity) |
| sea cucumber(expression, fauna, species, biodiversity) |
| sea grape(expression, idiom, fauna, species, plant) |
| sea potato(expression, species, flora, marine, algae) |
| seagrass(noun, species, plant, flora, flowering) |
| splash zone(expression, forest, feature, area, zone) |
| sponge(noun, fauna, species, biodiversity) |
| ulva(noun, species, flora, marine, algae) |
| urchin(noun, species, inhabitant, foreshore) |
| zooplankton(noun, forest, fauna, species) |
| zostera marina(expression, species, plant, flora, flowering) |
| continent-wide intertidal zone(expression, feature, area, zone) |
| extensive intertidal zone(expression, feature, area, zone) |
| high intertidal zone(expression, feature, area, zone) |
| intertidal littoral zone(expression, feature, area, zone) |
| low intertidal zone(expression, feature, area, zone) |