| 21. | The coral cay is a Vegetated sand cay The sand cay is located to the lee of their reef flat.
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| 22. | "Chaetodon vagabundus " are found in reef flats, lagoons and seaward reefs, and sometimes in turbid waters subject to freshwater runoff.
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| 23. | The reef flat-lagoon surrounding the island of Olango is considered one of the most extensive reef areas in the Central Visayas.
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| 24. | Once the sea level stabilised, it was possible for reef flats to expand and provide potential sites for the formation of cays.
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| 25. | The sand cay is located to the lee of their reef flat, whereas the shingle cay is located on the windward side.
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| 26. | Ceriths are found worldwide on sandy bottoms, reef flats or coral reef rock covered with sand and algae in the American coast.
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| 27. | MANY people who think of wetlands as swampy areas are surprised to find that even coral reef flats are classified wetland habitats.
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| 28. | Juvenile sicklefin lemon sharks are often found on reef flats or around mangroves, in water so shallow that their dorsal fins are exposed.
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| 29. | "C . citrinellus " is common in shallow exposed reef flats, lagoons, and seaward reefs, generally in relatively open areas with scattered corals.
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| 30. | The openings are placed parallel to the dominant axis of tidal currents over the reef flat, and the chamber is anchored with sand stakes.
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