
The Chinese mackerel, also known as the Chinese seerfish, is a ray-finned bony fish in the family Scombridae, better known as the mackerel family. More specifically, this fish is a member of the tribe Scomberomorini, the Spanish mackerels. It is a marine species occurring in the Western Pacific Ocean, but it also enters the Mekong River.

The clearnose skate is a species of cartilaginous fish in the family Rajidae. R. eglanteria is also known by other common names such as the brier skate and summer skate. Clearnose skates are easily identified by the translucent patches on either side of their snouts and their mottled dorsal surface. They are found along the Atlantic and Gulf coasts of the United States in shallow waters of the continental shelf.

The frigate tuna or frigate mackerel or alagaduwa is a species of tuna, in the family Scombridae, found around the world in tropical oceans. The eastern pacific population is now regarded as a separate species by some authorities, Auxis brachydorax.

Gobiosoma bosc is a fish named for its lack of scales. This is a true goby; it is part of the genus Gobiosoma.

The narrow-barred Spanish mackerel is a mackerel of the family Scombridae found in a wide-ranging area centering in Southeast Asia, but as far west as the east coast of Africa and from the Middle East and along the northern coastal areas of the Indian Ocean, and as far east as the South West Pacific Ocean.

Chasmodes bosquianus, the striped blenny, is a species of combtooth blenny found in the western Atlantic ocean, from New York to Florida. The specific name uses the suffix-ianus to denote "belonging to" and refers to the French naturalist Louis Augustin Guillaume Bosc (1759-1828), whose notes Bernard Germain de Lacépède used to base his description of this blenny.

The zig-zag eel, also known as the tire-track eel, tire-track spiny eel or marbled spiny eel, is a species of ray-finned, spiny eels belonging to the genus Mastacembelus of the family Mastacembelidae, and is native to the riverine fauna of India, Bangladesh, Pakistan, Sri Lanka, Thailand, Viet Nam, Indonesia and other parts of South East Asia. The species was described as Macrognathus armatus by Lacepède in 1800. Other common names for this popular aquarium species are leopard spiny eel and white-spotted spiny eel. This species is not only a popular aquarium fish but also as a food fish in its country of origin.

Trisopterus capelanus is a fish species belonging to the cod family (Gadidae). It is found in the Mediterranean Sea.

The twait shad or twaite shad is a species of fish in the family Clupeidae. It is found in the eastern Atlantic Ocean and the Mediterranean Sea and is an anadromous fish which lives in the sea but migrates into fresh water to spawn. In appearance it resembles an Atlantic herring but has a row of six to ten distinctive spots on its silvery flanks. They become mature when three or more years old and migrate to estuaries, later swimming up rivers to spawn. Populations of this fish have declined due to overfishing, pollution and habitat destruction. Conservation of this species is covered by Appendix III of the Bern Convention and Appendix II and V of the European Community Habitats Directive.
The violet goby is a species of goby native to marine, fresh and brackish waters near the Atlantic coast of North and South America from South Carolina in the United States of America, to northern Brazil. It prefers bays, estuaries and river mouths with muddy substrates. It is often marketed as the dragon goby or dragon fish.