It's a pygmy seahorse Hippocampus bargibanti , found in Indonesia's biodiverse Coral Triangle and one of the smallest seahorse species in the world!
They can change colors like a chameleon to blend into their environment. This helps to protect them from predators and ambush their prey. Encountered in St. John, U. Virgin Islands, the worm in this photo is about 15 cm 6 inches long, but they can get up to twice that length. Those venom-filled bristles can break off in human skin, causing an intense burning sensation.
A wrought iron butterflyfish , Chaetodon daedalma , being cleaned by a small wrasse in the waters of Japan's Ogasawara Islands. The toothy goby or common ghost goby Pleurosicya mossambica lives among soft corals and sponges in the Indo-Pacific ocean. The relationship it has with its host is commensal , which means the goby benefits from the protection and habitat in the corals, but the coral doesn't get hurt or benefit from the relationship.
Many of the other or so species of gobies form such symbiotic relationships, both commensalisms and mutualisms. Gobies and pistol shrimps will live together, with the near-blind shrimp tending their sandy burrow while the goby watches for predators.
And cleaner gobies Elacatinus clean the mouths of bigger fish that would normally treat them as prey. Living in warm shallow waters often near coral reefs in the Western Atlantic, from Florida to Brazil, the Caribbean reef shark Carcharhinus perezi is the most abundant shark in the Caribbean.
It feeds mostly on bony fishes and rarely attacks humans. Despite the shark's abundance in some regions, it has a high mortality rate from bycatch and is sought by commercial fisheries for its fins and meat. It is illegal to catch Caribbean reef sharks in U. Search calacademy. Search the Educators section.
About the Video Clip. Elkhorn coral. Moray eel with cleaner shrimp and cleaner wrasse. Trapezia crab and crown of thorns starfish. Crown of thorns starfish. Investigation: Coral Reef Virtual Surveys. Explore the surveys. Lesson Plan: Coral Reef Relationships. Go to lesson. Connections to the Next Generation Science Standards. MS-LS What evidence from coral reef ecosystems showcases the role of photosynthesis in the cycling of matter and flow of energy into and out of organisms? MS-LS Considering the relationship between coral cells and zooxanthellae, how can you explain the pattern of interaction among these organisms?
Snapshot of Reef animals Marine mammals whales, dolphins , dugong , seals More than 30 species of marine mammals are found along the Great Barrier Reef. Bottlenose dolphins, humpback and dwarf minke whales are frequently seen while other species such as Bryde's whales are seldom seen or perhaps seldom recognised. The Great Barrier Reef is an important habitat for dugong. Birds, seabirds and shorebirds Islands and cays along the Great Barrier Reef support breeding populations of 22 seabird species.
Areas of international significance for migratory and resident species of shorebirds are found on, or adjacent, to the Great Barrier Reef. Marine turtles Six of the worlds seven species of marine turtle occur on the Great Barrier Reef with globally significant nesting areas for four of these found in the Region. All six species are classified as threatened as a result of pressures both from within the Great Barrier Reef Region and elsewhere. Crocodile The estuarine crocodile can be found in most coastal waters and around many of the islands and cays of the Great Barrier Reef.
Sea snakes Sitting in a global hotspot of sea snake diversity, the Great Barrier Reef is home to 14 different species of sea snake. This high number of different species is largely due to the Marine Park's variety of suitable habitat. Sharks and rays species are found along the Great Barrier Reef and range from small, cryptic species such as the epaulette shark to large, migratory species such as the whale shark.
Fishes Around of bony fish species including important commercial species such as coral trout. Echinoderms About species recorded along the Great Barrier Reef, with starfish perhaps being the most well known. Crustaceans Around species, including a number that are commercially important for example, some species of crabs and prawns. When the eggs hatch, the young find shelter in the reefs.
Clown anemonefish are bright orange fish with three white bands. Clown anemonefish are found in the warm tropical waters of the Pacific and Indian Oceans. With its flare of long, venemous fins, the lionfish is an impressive and beautiful predator.
Although native to the Indo-Pacific, the lionfish has flourished since its introduction to the East Coast of the United States. The lionfish is considered a global invasive species with a negative impact on native species and habitat. They are at the top of the food chain and have few natural predators. Found on the reefs in the shallow, subtropical waters in the Pacific Ocean between Hawaii and Japan, the yellow tang shows off its brightest yellow color in the daytime.
The only part of the yellow tang that is not yellow is its white spine located on its tail that can be used for defense. Harlequin shrimp might look tiny, but they are fierce predators of their primary food source: Linckia sea stars. Found in the intertidal region of the Indo-Pacific oceans, these spotted shrimp have flattened front claws and a strong sense of smell. The two-inch long harlequin shrimp live and work in pairs, and can take down even the intimidating crown-of-thorns starfish.
Also known as the Mandarin dragonet, this multicolored fish is so named because of its resemblance to a traditional Imperial Chinese robe. With a native range that includes the western Pacific regions of the Philippines, Indonesia, Hong Kong, Australia, and New Guinea, these fish tend to feed near the bottom of reefs, so they can be quite elusive.
Male mandarinfish are primarily green and orange in color. Due to their lack of scales , mandarinfish are protected by their thick, smelly mucus coating.
0コメント