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| hard corals text index | photo index other cnidarians text index | photo index |
| Phylum Cnidaria |
| Photo
index of hard corals on Singapore shores and other cnidarians with a hard skeleton |
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polyps
with long tentacles |
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Colony thick branching |
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Colony
thin branching sea fans |
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Colony leafy, carnation or cabbage-like |
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Colony crinkled or lumpy |
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Colony plate-like |
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Colony
boulder-shaped corallite ring-shaped |
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Colony
boulder-shaped
corallite hexagonal |
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Colony
boulder-shaped corallite brain or maze |
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Colony
boulder-shaped corallite other shapes |
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Colony
unattached free living corals (mushroom corals) |
| These are NOT hard corals |
| Although the skeleton is hard, blue coral is grouped with soft corals. | With the polyps crowded next to one another, they may appear to be a hard coral. | With the polyps crowded next to one another, the colony may appear to be a hard coral. |
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photo
index of
cnidarians on this site
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