Bony fish included mahi mahi, conger eels, rattails, ancestral billfish, cod, hake, and rockfish. Their diet was predominantly sardines, midshipmen, flatfish, rockfish, and squid. Adults eat demersal invertebrates and small fishes, including other species of rockfish. The Chesapeake Bay is host to many species, including blue crabs, clams, oysters, and rockfish. Orford Reef contains mostly rockfish and other smaller Pacific-Northwest fish. Modern economies are based on fisheries of kelp-associated species such as lobster and rockfish. Yelloweye live in rocky areas and feed on small fish and other rockfish. Octopuses, rockfish, sea stars, sea urchins, and anemones are among the animals here. Bottom dwelling rockfish have also seen a decline due to a lack of eelgrass. The name rockfish is used for many kinds of fish used for food. Endemic marine fauna includes Korean skate and Korean rockfish. Like other rockfish, this species is viviparous. One of their favorite foods is smaller octopuses, and they also readily devour large rockfish. Eighty-three percent of the rockfish found in one study were associated with red tree coral. The Bay is famous for its rockfish, a regional name for striped bass.