Related by context. Frequent words. (Click for all words.) 82 coral reefs 81 reef 77 corals 73 coral 73 coral reef 70 marine ecosystems 66 mangroves 65 shorelines 64 estuaries 61 mangrove 58 coastal wetlands 58 islands 57 coastal waters 57 sea creatures 57 shoreline 57 ecosystems 56 oceans 56 oyster beds 56 sea turtles 55 barrier islands 55 ocean 55 shallow waters 55 species 54 beaches 54 coastlines 54 artificial reef 54 seabirds 54 plankton 54 coastline 54 estuary 54 habitats 54 fisheries 53 marine mammals 53 crabs 53 freshwater 53 inshore 53 overfished 52 turtles 52 whales 52 mollusks 52 fishery 51 invertebrates 51 oysters 51 overfishing 51 Reef 51 marsh 51 lakes 51 fish 51 mussels 51 tarpon 51 grouper 51 waters 50 wetlands 50 habitat 50 phytoplankton 50 jetties 50 manatees 50 marine 50 jellyfish 50 seabed 50 shallows 50 Great Barrier Reef 50 ocean acidification 49 waterways 49 vegetation 49 biosphere 49 shorebirds 49 sediments 49 shoals 49 kelp 49 ocean currents 49 dolphins 49 crustaceans 49 mammals 48 seas 48 fauna 48 shipwrecks 48 snook 48 breakwater 48 humpbacks 48 dunes 48 cobia 48 oceanic 48 shellfish 48 islets 48 spawning grounds 48 hatchlings 47 sediment 47 red snapper 47 biodiversity 47 coastal 47 marshes 47 sea otters 47 algae blooms 47 dune 47 redfish 47 piers 47 sea turtle 47 cormorants 47 tropical forests 47 sea