The longfin catshark is a catshark of the family Scyliorhinidae found in the western Pacific from Japan to the Philippines, and the East and South China Seas, and the Kyūshū-Palau Ridge, at depths between 530 and 865 m. Its length is up to 48 cm.
The Panama ghost catshark is a lesser known catshark of the family Scyliorhinidae. This catshark is only found off Panama, between 9°N and 2°N. The reproduction of the Panama ghost shark is oviparous.
The longnose catshark is a catshark of the family Scyliorhinidae found in the eastern central Pacific from central and southern California and the Gulf of California, between latitudes 38° N and 23° N, at depths down to 1,890. Its length is up to 58 cm.
The African lanternshark is a shark of the family Etmopteridae found in the eastern Atlantic between latitudes 12°N and 18°S, at depths between 300 and 1,000 m. Its length is up to 30 cm.
Etmopterus burgessi, sometimes known as the broad-snout lanternshark, is a lanternshark of the family Etmopteridae in the order Squaliformes. It is found only around Taiwan.
The Küçük Menderes spined loach, Cobitis fahireae is a species of loach endemic to Turkey where it occurs in intermittent rivers.
The Eğirdir minnow or Handlirsch's minnow , is a species of freshwater fish in the family Cyprinidae. It was endemic to Lake Eğirdir in Turkey, but is now considered extinct. It was earlier critically endangered due to predation by pike perch which had been introduced to the lake, but has not been found since 1980s and was therefore evaluated by IUCN as extinct in 2013.
The Minckley's cichlid is a species of fish in the family Cichlidae. It is endemic to Cuatro Ciénegas in Coahuila, Mexico. The specific name honours the ichthyologist Wendell L. Minckley (1935-2001) of Arizona State University who studied the ecology of Cuatro Ciénegas.
Nothobranchius korthausae is a species of killifish in the family Nothobranchiidae. It is endemic to Mafia Island in Tanzania. Its natural habitat is pools, ditches and small streams. The specific name of this species honours the German aquarist Edith Korthaus who collected the type.
The threadfin cichlid is a species of cichlid endemic to Lake Tanganyika found in areas with rocky substrates on which it can graze on algae. This species can reach a length of 18 cm (7.1 in). It can be found in the aquarium trade. The specific name of this cichlid honours the British ichthyologist Ethelwynn Trewavas (1900-1993).
Cyprinella whipplei, the steelcolor shiner, is a freshwater fish species found in North America. It is common throughout the Mississippi River basin and in the Black Warrior River system in Alabama.
Parasqualidus is a genus of cyprinid fish endemic to Vietnam. It is monotypic, being represented by the single species Parasqualidus maii.
Gobio delyamurei, also termed the Chornaya gudgeon, is a species of gudgeon, a small freshwater fish in the family Cyprinidae, native to Crimea. It is considered to be critically endangered, as it lives only along a 1-km stretch in the Chornaya River, below the Chornaya Gorge. Because of water abstraction, the site is vulnerable to drying up in the summer time, particularly if climate change will further intensify the droughts.
Iberian gudgeon is a species of gudgeon, a small freshwater in the family Cyprinidae. It is widespread only in the Iberian Peninsula where it is indigenous in the Ebro and Bidasoa drainage, and in France in the Adour drainage, as well as Andorra. It has been introduced throughout the Iberian Peninsula, including Portugal, It is a freshwater demersal fish, up to 11.9 cm long.
Pseudambassis roberti is a species of fish in the family Ambassidae, the Asiatic glassfishes. It is sole species in the genus. It is endemic to Burma. The Catalog of Fishes classifies this species as Parambassis robertsi. The specific name honours the American ichthyologist Tyson R. Roberts.
Chlorurus troschelii, commonly known as Troschel's parrotfish, is a species of marine ray-finned fish, a parrotfish from the family Scaridae. It is native to the eastern Indian Ocean, where it lives in coral reefs.
The Eyilikler gudgeon is a species of gudgeon, a small freshwater in the family Cyprinidae. It is found in Turkey.
Gobiobotia cheni is a species of small freshwater fish in the family Cyprinidae. It is endemic to Taiwan.
Gobiobotia nicholsi is a species of small freshwater fish in the family Cyprinidae. It is endemic to China.
Osteochilus salsburyi is a species of cyprinid fish found in Laos, northern Vietnam, and southern China.
