WAcanthurus japonicus is a tang from the Indo-West Pacific. It occasionally makes its way into the aquarium trade. It grows to a size of 21 cm in length. It is also known as Japan surgeonfish, white-faced surgeonfish, gold rim tang, powder brown tang and white-nose surgeonfish.
WBeaufortia kweichowensis is a species of gastromyzontid loach native to rivers in China. The common names for this popular aquarium species are Chinese hillstream loach, Hong Kong pleco, butterfly hillstream loach, and Chinese sucker fish.
WThe blue danio, Kerr's danio or turquoise danio, is a tropical fish belonging to the genus Danio in family Cyprinidae.
WCanthigaster axiologus is a species of marine fish in the family Tetraodontidae.
WClinus agilis, the agile klipfish, is a species of clinid found in subtropical waters of the Atlantic Ocean from Namibia to South Africa where it is commonly found in estuaries and tide pools. This species can reach a maximum length of 10 centimetres (3.9 in).
WThe deepwater burrfish is a porcupinefish of the family Diodontidae, found in the Tasman Sea and off southern Australia. This species is the only known member of its genus.
WExoglossum laurae is a species of minnow found in North America.
WThe giant pangasius, paroon shark, pangasid-catfish or Chao Phraya giant catfish is a species of freshwater fish in the shark catfish family (Pangasiidae) of order Siluriformes, found in the Chao Phraya and Mekong basins in Indochina. Its populations have declined drastically, mainly due to overfishing, and it is now considered Critically Endangered.
WGymnoscopelus piabilis, the Southern blacktip lanternfish is a species of lanternfish found circumglobally in the Southern Hemisphere between about 46° and 52°S, at depths below 100 metres (330 ft) at night. This species grows to a length of 14.6 centimetres (5.7 in) SL. It is a mesopelagic-benthopelagic species.
WHypsibarbus wetmorei, the golden belly barb, lemon fin barb or lemon barb, is a species of cyprinid fish. It is native to the Mae Klong, Mekong, Chao Phraya, Tapi and Pahang rivers in Mainland Southeast Asia. Although locally common and considered to be a species of Least Concern, it is threatened by overfishing, dams and pollution. It typically reaches 25 cm (10 in) in length, but has been recorded up to about 70 cm.
WLight's bitterling is a temperate freshwater fish belonging to the subfamily Acheilognathinae of the family Cyprinidae. It originates in Russia and China, from the Amur River basin to southern China. It was originally described as Pseudoperilampus lighti by H.W. Wu in 1931.
WLissocampus runa, also known as the javelin pipefish is a species of marine fish belonging to the family Syngnathidae. This species can be found in algae beds, rocky reefs, tidepools, and estuaries along the coast of southern Australia from Broken Head Nature Reserve in New South Wales to Rottnest Island, Western Australia. Their diet is thought to consist of small crustaceans such as copepods .Reproduction occurs through ovoviviparity in which the males brood eggs before giving live birth.
WThe Mekong giant catfish, is a large, critically endangered species of catfish in the shark catfish family (Pangasiidae), native to the Mekong basin in Southeast Asia and adjacent China. It is considered Critically Endangered due to accelerating habitat loss.
WThe midnight snapper is a marine fish native to the western Pacific Ocean.
WOnychostoma barbatum is a species of cyprinid in the genus Onychostoma that inhabits inland wetlands in Guangxi, Guangdong and Hunan, China. It is used for food locally a maximum length of 17.6 centimetres (6.9 in).
WOpsarius pulchellus, is a species of fish in the family Cyprinidae, with the largest individual recorded being 11 cm long.
WPseudochromis bitaeniatus, the two-lined dottyback, double-striped dottyback, or slender dottyback, is a species of ray-finned fish in the family Pseudochromidae. It comes from the Indo-West Pacific. It occasionally makes its way into the aquarium trade. It grows to a size of 12 cm in length.
WThe red-tailed black shark, also known as the redtail shark and redtail sharkminnow, is a species of freshwater fish in the carp family, Cyprinidae. It is endemic to Thailand and currently critically endangered, but common in aquaria, where it is prized for its deep black body and vivid red or orange tail. The red-tailed black sharks seen in the aquarium trade today are all captive bred.
WThe skipjack trevally or sand trevally is a species of ray-finned fish in the family Carangidae, the jacks, trevallies, pompanos and scads. It is found in the eastern Indian Ocean around Australia.
WStarksia guttata, the spotted blenny, is a species of labrisomid blenny native to the Caribbean Sea and the Atlantic Ocean from the Grenadines to Curaçao and Trinidad. This species is a reef inhabitant. It can reach a length of 4.6 cm (1.8 in) SL.
WSynocrossus beauforti, the barred loach,chameleon loach or chameleon botia, is a species of freshwater fish from the loach family Botiidae which is found in mainland south-east Asia.
WThe Ukrainian brook lamprey is a species of lamprey in the Petromyzontidae family. It is found in brackish and freshwater areas in Austria, Belarus, Bulgaria, the Czech Republic, Georgia, Hungary, Moldova, North Macedonia, Poland, Romania, Russia, Serbia and Montenegro, Slovakia, Turkey, and Ukraine. It invaded the basin of the Volga River in 2001.