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
Atlantic horseshoe crab role in the local ecosystems, with their eggs providing an important food source for shorebirds, and the juveniles and adults being eaten by sea turtles. The other three extant (living) species in the family Limulidae are also called horseshoe crabs, but they are restricted to Asia. This group of animals is also known as horsefoot, or saucepan. Some people call the horseshoe crab a "helmet crab", but this common name is more frequently applied to a true crab, a malacostracan, of the species "Telmessus cheiragonus". The term "king crab" is sometimes used for horseshoe crabs, but it is more usually