Leatherjacket fish and shrimp, often in company with larger predatory species. Traditionally, the leather jacket has not been eaten, but recently, with large-scale farming of the fish, it has become common at market. The fish has a mild, oily taste similar to Spanish mackerel or bluefish. It has occasionally been the prey to Blue Swimmer Crab, as juvenile fish in sea grass beds. Leatherjacket fish The leatherjacket fish or leather jack, "Oligoplites saurus", is a species of jack in the family Carangidae. Leather jack may also refer to other members of the Carangidae, such as the pilot fish. The largest are about
Coconut crab light material will cause the crab to loosen its hold." In the Cook Islands, the coconut crab is known as ' or ', and in the Mariana Islands it is called "ayuyu", and is sometimes associated with "" because of the traditional belief that ancestral spirits can return in the form of animals such as the coconut crab. Coconut crab populations in several areas have declined or become locally extinct due to both habitat loss and human predation. In 1981, it was listed on the IUCN Red List as a vulnerable species, but a lack of biological data caused its