Ichthyology is the branch of zoology devoted to the study of fish, including bony fish (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha). According to FishBase, 33,400 species of fish had been described as of October 2016, with approximately 250 new species described each year.
The green sunfish is a species of aggressive freshwater fish in the sunfish family (Centrarchidae) of order Perciformes. A panfish popular with anglers, the green sunfish is also kept as an aquarium fish by hobbyists, they need a 55-75 gallon tank and can be fed minnows, mealworms, or nightcrawlers. They are usually caught by accident, while fishing for other game fish. Green sunfish can be caught with live bait, such as nightcrawlers, waxworms, mealworms, and blood worms. Grocery store baits, such as pieces of hot dog or corn kernels, can even catch fish. Green sunfish are aggressive and will hit small lures. They can be caught with fly fishing tackle. They usually grow to be 10 inches (25 cm) long, but can achieve a length of 12 inches (30 cm).
The pilot fish is a carnivorous fish of the trevally, or jackfish family, Carangidae. It is widely distributed and lives in warm or tropical open seas.
The spot-fin porcupinefish, also known as the spotted porcupinefish, black-spotted porcupinefish or simply porcupinefish, is a member of the family Diodontidae.
Garra is a genus of fish in the family Cyprinidae. These fish are one example of the "log suckers", sucker-mouthed barbs and other cyprinids commonly kept in aquaria to keep down algae. The doctor fish of Anatolia and the Middle East belongs in this genus. The majority of the more than 160 species of garras are native to Asia, but about one-fifth of the species are from Africa.
Maurice Kottelat is a Swiss ichthyologist specializing in Eurasian freshwater fishes.
Hydrobia acuta neglecta is a European subspecies of small brackish water snail with a gill and an operculum, an aquatic gastropod mollusc in the family Hydrobiidae.
The Calypso Ichthyological Database numbering system is an open source free repository allowing the unique identification numbering of all fish species with a six-numeral fixed number. This number remains the same throughout any alterations or taxonomic changes to the species' accepted current scientific name and allows for recording of species data in 32 unique data fields including all previous names in 32 languages. It has been in use since 1994 and was pioneered by its inventor, Gerald H. Jennings, with the technical assistance of Terry Hall. It is accompanied by a vast photographic library of fish species and is free at the point of use to all researchers and academics. Much of the data is also available in published format and online.
Perissodini is a tribe of African cichlids, containing three genera of freshwater fish found only in Lake Tanganyika.
Pethia cumingii, known as the Cuming's barb or the two spot barb, is a species of cyprinid fish endemic to Sri Lanka.
Toxotes kimberleyensis is a species of archerfish found in the Kimberley region of Western Australia. It was first named by Gerald R. Allen in 2004, and is commonly known as the Kimberley archerfish, largescale archerfish, or western archerfish.
Loaches are fish of the superfamily Cobitoidea. They are freshwater, benthic (bottom-dwelling) fish found in rivers and creeks throughout Eurasia and northern Africa. Loaches are among the most diverse groups of fish; the 1249 known species of Cobitoidea comprise about 107 genera divided among 9 families.
Amanda Vincent is a Canadian marine biologist and conservationist, one of the world's leading experts on seahorses and their relatives. She currently holds the chair of the IUCN SSC Seahorse, Pipefish and Seadragon Specialist Group and is the marine representative on the IUCN's International Red List Committee as well as being the chair of its Marine Conservation Committee. She previously held the Canada Research Chair in Marine Conservation at the UBC Institute for the Oceans and Fisheries at the University of British Columbia (UBC), Canada from 2002 to 2012. Vincent co-founded and directs Project Seahorse, an interdisciplinary and international organization committed to conservation and sustainable use of the world's coastal marine ecosystems. In 2020 she became the first marine conservationist to win the world's leading prize for animal conservation, the Indianapolis Prize.
Tyson Royal Roberts is an American ichthyologist. He has been described as "the world's foremost authority on Regalecus".
Acteon tornatilis, common name the "lathe acteon", is a species of medium-sized sea snail, a predatory marine gastropod mollusc in the family Acteonidae, the barrel bubble snails.
The dusky sleeper or brown spinecheek gudgeon is a species of fish in the family Eleotridae found in many Indo-West Pacific regions, from the coast of eastern Africa to Hawaii, where it can be found in lagoons, estuaries, and freshwater streams with muddy bottoms.
Boulenger's spiny eel is a species of ray-finned fish endemic to India, Myanmar and Thailand, known from Sittaung River, Salween River and Manipur River and possibly Irrawaddy River. Inhabiting large rivers and tributaries, it is consumed by locals but is uncommon in the aquarium trade. It may be threatened by habitat loss for deforestation, dams and overfishing and is harmless to humans.
Heok Hui Tan is a Singaporean ichthyologist at the Lee Kong Chian Natural History Museum of the National University of Singapore. Dr. Tan's main interest lies in the systematics of Southeast Asian freshwater fishes, encompassing taxonomy, ecology and biogeography. His primary areas of research focus on neglected and de novo habitats such as peat swamp forests, swamp forests, and rapids.
The squaretail mullet, also known as the diamondscale mullet, is a species of grey mullet from the family Mugilidae. It is an Indo-Pacific species and is the only species in the monospecific genus Ellochelon.
Nansenia oblita, also called the forgotten argentine or the Mediterranean large-eyed argentine, is a species of fish in the pencil smelt family (Microstomatidae).
