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In Taiwan, cobia of 100 to 600 g are cultured for 1.0 to 1.5 years until they reach 6 to 8 kg. They are then exported to Japan, China, North America, and Europe. Around 80% of marine cages in Taiwan are devoted to cobia culture. [11] In 2004, the FAO reported that 80.6% of the world's cobia production was in China and Taiwan. [13]
The sucking disc begins to show when the young fish are about 1 cm (0.4 in) long. When the remora reaches about 3 cm (1.2 in), the disc is fully formed and the remora can then attach to other animals. The remora's lower jaw projects beyond the upper, and the animal lacks a swim bladder. [9] Some remoras associate with specific host species.
The common remora (Remora remora) is a pelagic marine fish [3] belonging to the family Echeneidae. The dorsal fin, which has 22 to 26 soft rays, acts as a suction cup , creating a vacuum [ 4 ] to allow the fish to attach to larger marine animals, such as whales, dolphins, sharks, and sea turtles.
The cobia are then transferred to open ocean cages for final the grow-out when they reach 6–10 kilograms (13–22 lb). [ 5 ] [ 7 ] The growth rate and survival rate of cobia during grow-out stages in open water cages throughout the Caribbean and Americas vary from as little as 10% up to 90%. [ 17 ]
Image Scientific name Common name Distribution Remora albescens (Temminck & Schlegel, 1850): white suckerfish: western Indian Ocean including Réunion and Mauritius, in the eastern Pacific Ocean from San Francisco to Chile (but is rare north of Baja California), and in the western and eastern central Atlantic Ocean from Florida and the Gulf of Mexico to Brazil and St. Paul's Rocks.
Family: Rachycentridae – Cobia Prodigal son, cobia, Rachycentron canadum (Linnaeus, 1766) (Warm waters of the Atlantic and Indo-Pacific, occasionally reaching False Bay) [3] Family: Xiphiidae – Swordfishes Swordfish Xiphias gladius Linnaeus, 1758 (Namibia to Natal) [3]
One of the whalesucker's most outstanding traits, shared among the Echeinedae family, is an adhesive disk. The adhesive disk is a round, oval, sucking disk located on the top of a remora's head, with two layers of lamellae that allow for the remora to stick and unstick to the epidermal surfaces of larger fish, mainly cetaceans.
These Red Sea fish are listed as Reef-associated by Fishbase: . Acanthuridae. Acanthurus gahhm, Black surgeonfish; Acanthurus mata, Elongate surgeonfish; Acanthurus nigrofuscus, Brown surgeonfish