Manta Survey at Komodo National Park
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The eagle rays are a group of cartilaginous fishes in the family Myliobatidae, consisting mostly of large species living in the open ocean rather than on the sea bottom.
The reef manta ray (Manta alfredi) is a species of ray in the family Mobulidae, the largest rays in the world. Among generally recognized species, it is the second-largest species of ray, only surpassed by the giant oceanic manta ray
Other impacts may sometimes be seen on coral reefs. These include evidence of bomb or cyanide fishing, sedimentation, pollution or trash
Poor diver etiquette, including poor buoyancy control, improperly secured gear, excessive photography flashes, and careless fin kicks, can result in diver induced damage to coral reefs.
Bleaching occurs when corals expel their symbiotic zooxanthellae - pigmented, algae-like protozoa that live within the coral's cells. High temperature, pollution or other stresses can cause the coral to expel its zooxanthellae, leading to a lighter or complete loss of color.
Boat anchors can cause significant physical damage to corals, especially at reef sites that receive a lot of boat traffic and where insufficient moorings are available. Heavy anchors can smash even the most sturdy corals, while anchor chains and lines can scrape coral and remove living tissue, or wrap around corals and cause damage as the lines move in the water.