Ben Jenkins 1. Boxer crab and their relationship with sea anemones is an example of a mutual relationship. Anemones protect crabs in exchange for food. 2. Black sea bass and Wrasse fish have a mutal relationship. The Wrasse fish gets food and the bass get its parasites removed. 3. Anglerfish and bacteria have a mutual relationship. Bacteria have a home inside the fish and the fish gets its bioluminescence from them. 4. Eagle ray and a jack have a commensalistic relationship. The jack eats the fish that the eagle ray digs up. 5. Decorator crab and sponge have a mutualistic relationship. The crab gets camo from the sponge and the sponge gets to travel. 6. Cleaner shrimp and fish have a mutal relationship. The shrimp clean bacteria from the fish and the shrimp get a meal. 7. Pistol shrimp and goby fish mutualistic relationship. The goby fish hide in the shrimp’s home and the shrimp help warn the goby of predators. 8. Isopods and fish have a parasitic relationship. The isopod eats the fishes tongue. 9. Imperial shrimp and sea cucumber have a commensalistic relationship. The shrimp travel on the sea cucumber. 10. Remora and whale shark are a commensalistic relationship. The remora fish uses the shark for transport the shark isn’t affected. 11. Tube worms and bacteria have a mutualistic relationship. The bacteria have a home inside the worm and the worm gets helpful products from the bacteria. 12. Coral and zooxanthellae have a mutualistic relationship. The algae is protected and the coral gets oxygen from them Keystone species 1. sharks keep the fish population in check by eating the weak which is why their considered a keystone species. 2. starfish are important because they keep the mussel population under control. If there were too many mussels they take up areas that other species need to live in. 3. parrotfish are important because they eat dead coral freeing keeping reefs healthy. 4. salmon are important because they’re the most popular fish fisherman catch commercially and because they’re a source of food for many animals. 5. red mangroves are important because they provide a home for young fish and birds. 6. alligators are important because they control the population due to being predators and leave homes for small animals with their gator holes.