The Serranidae are a large family of fishes belonging to the order Perciformes. The family contains about 450 species in 65 genera, including the sea basses and the groupers. Although many species are small, in some cases less than 10 cm (3.9 in), the giant grouper is one of the largest bony fishes in the world, growing to 2.7 m in length and 400 kg (880 lb) in weight. Representatives of this group live in tropical and subtropical seas worldwide.
The cutlassfishes are about 45 species of predatory fish in the family Trichiuridae found in seas throughout the world. Fish of this family are long, slender, and generally steely blue or silver in colour, giving rise to their name. They have reduced or absent pelvic and caudal fins, giving them an eel-like appearance, and large fang-like teeth.
Threadfins are silvery grey perciform fish of the family Polynemidae. Found in tropical to subtropical waters throughout the world, the threadfin family contains eight genera and about 40 species. An unrelated species sometimes known by the name threadfin, Alectis indicus, is properly the Indian threadfish.
Sargocentron is a genus of squirrelfish found in tropical parts of the Indian, Pacific and Atlantic Oceans, with the greatest species diversity near reefs in the Indo-Pacific. Being largely or entirely nocturnal, they have relatively large eyes. Red and silvery colours dominate. The preopercle spines are venomous and can give painful wounds. Most have a maximum length of 15–25 cm (6–10 in), but S. iota barely reaches 8 cm (3 in), and S. spiniferum can reach more than 50 cm (20 in).
Plectorhinchus is a genus of marine ray-finned fish, sweetlips belonging to the subfamily Plectorhinchinae which is one of two subfamilies in the family Haemulidae whicg also includes the grunts. The species in this genus are found in fresh, brackish, and salt waters.
Polydactylus is a genus of threadfin that mainly are native to the Indian, Atlantic and Pacific Oceans, especially in coastal or brackish waters. Some may even enter rivers and a single, P. macrophthalmus, is a freshwater fish from rivers in Borneo.
Lutjanus is a genus of snappers found in the Atlantic, Indian, and Pacific Oceans. They are predatory fish usually found in tropical and subtropical reefs, and mangrove forests. This genus also includes two species that only occur in fresh and brackish waters.
Decapterus is a genus of marine fishes of jack family, Carangidae, commonly known as mackerel scads, round scads, or horse mackerel. They are found throughout the world.
Silver biddies, also spelled silver-biddies, is the name used to refer to bony fishes belonging to the family Gerreidae in the order Perciformes. They are also known as jerki (Sin) or mudro (Bal). Silver biddies are known as blanches in French and mojarras in Spanish.
Gerres subfasciatus, the common silver bellyroach, ovate silver biddy,, common silverbiddy or Southern silver biddy, is a species of mojarra native to Indian and Pacific coastal waters of Australia.
Parequula melbournensis, the silverbelly, Melbourne silver biddy or silver biddy, is a species of fish in the family Garreidae, the mojarras. The species was first described by Francis de Laporte de Castelnau in 1872. It is the only member of the monotypic genus Parequula erected by Franz Steindachner in 1879. It is native to the coastal waters of southern Australia at depths from 3 to 100 m. This species can reach 22 cm (8.7 in) in total length.
The Japanese silver-biddy is a species of mojarra native to the coastal waters of the western Pacific Ocean from southern Korea to southern Japan, though it does not occur around the Ryukyu Islands. This species can reach 22.4 cm (8.8 in) in standard length. It is commercially important for the local fish industry in Japan.
Gazza is a genus of marine ray-finned fishes, ponyfishes from the family Leiognathidae which are native to the Indian Ocean and the western Pacific Ocean.
Acanthopagrus is a genus of fish in the family Sparidae found in the Indian and western Pacific Oceans.
Dentex is a genus of fish in the family Sparidae.
Gerres nigri, the Guinean striped mojarra is a species of mojarra native to the eastern Atlantic Ocean. It inhabits estuaries, coastal waters and lagoons. This species can reach a maximum length of 20 cm (8 in), with 15 cm (6 in) being a more common size.
