The Crenuchidae is a characiform family which contains some well-known aquarium fishes, including the sailfin characin, Crenuchus spilurus, and black darter tetra, Poecilocharax weitzmani. It also includes the genus Characidium, a group sometimes referred to as ‘darter characins’ which are invariably identified as the species Characidium fasciatum in hobbyist literature. In reality, the name C. fasciatum has been repeatedly […]

An extensive review of the herichthyin clade of Middle American cichlids has resulted in the naming of eight new genera and a number of taxonomic modifications. The herichthyins are a group of 45 cichlid species contained within the larger Heroni tribe of the Cichlinae subfamily. They are mostly distributed in Mexico and Guatemala and contain a […]

A new barb of the genus Pethia is described in the Journal of Threatened Taxa this week.

The killifish genus Valencia is the only fish genus found only Europe and the Mediterranean basin, and the recent description of a new member brings the total number of species to three. This trio forms the family Valenciidae and all members are critically-endangered with restricted natural ranges within which they have been subjected to extensive […]

The iconic red-line torpedo barb and a related species are moved from the paraphyletic grouping Puntius to new genus Sahyadria in today’s issue of the Journal of Threatened Taxa.

The previously unidentified ricefish known to aquarists as Oryzias sp. ‘Kendari’, O. sp. ‘neon’ or O. sp. ‘Sulawesi’ is given an official scientific name in the latest issue of Copeia, the journal of the American Society of Ichthyologists and Herpetologists.

A number of new loaches are covered in the latest volume of the journal ‘Ichthyological Exploration of Freshwaters‘, and among them are three species from Myanmar described by Jörg Bohlen and Vendula Šlechtová. The first, Schistura puncticeps, is currently known only from its type locality, the mouth of Nam Paw stream at its confluence with the Myitnge River, […]

The enigmatic ‘panda loach’, formerly referred to as ‘Protomyzon‘ pachychilus is shown to represent a distinct genus in the latest volume of the journal ‘Zootaxa’.

See how ichthyologist Brian Sidlauskas used Facebook to identify 5000 fish specimens collected in the Cuyuni River watershed, Guyana, in order to provide an itemised list to national authorities and get them out of the country for study… http://vimeo.com/48909830

We chat with ichthyologist John P. Sullivan about his new research portal for African freshwater fishes. John is Curatorial Affiliate at the Cornell University Museum of Vertebrates, Ithaca, New York, USA, and Research Associate at the Academy of Natural Sciences, Philadelphia, USA. He has conducted extensive fieldwork in several African countries and published numerous scientific papers […]