A new species of snook, Centropomus (Teleostei: Centropomidae),  from northern South America, with notes on the geographic distribution of other species of the genus

The ichthyology collection at the Natural History Museum of El Salvador (MUHNES): Species checklist and new country records

Revision of the circumglobal genus Barathronus (Ophidiiformes, Bythitidae) with a new species from the eastern North Atlantic Ocean

Channa rara, a new species of snakehead fish from the Western Ghats region of Maharashtra, India (Teleostei: Labyrinthici: Channidae)

Nomenclature of the Sphyraenidae (Teleostei: Carangaria): A synthesis of fossil- and extant-based classification systems

Phylogenetic position of the fish genera Lobotes, Datnioides and Hapalogenys, with a reappraisal of acanthuriform composition and relationships based on adult and larval morphology

Pseudophoxinus cilicicus, a new spring minnow from southern Anatolia (Teleostei: Leuciscidae)

New species of bumblebee catfish of the genus Batrochoglanis Gill, 1858 (Siluriformes: Pseudopimelodidae) from the Aripuanã River basin, Mato Grosso, Brazil

Sinibotia lani, a new species of botiid loach (Teleostei: Botiidae) from Guangxi, China

A new species of the fish genus Arctozenus from the Kerguelen Islands, with comments on the lost teeth in adults (Aulopiformes: Paralepididae)

The correct spelling of the nomen of the lost shark Carcharhinus obsolerus White, Kyne & Harris, 2019 (Chondrichthyes, Carcharhinidae)

Paraschistura makranensis, a new loach from the Jegin River drainage in southern Iran with comments on P. ilamensis and P. pasatigris (Teleostei: Nemacheilidae)

Review of the Brazilian species of Physiculus (Gadiformes: Moridae), with description of a new species from Saint Peter and Saint Paul Archipelago, equatorial Atlantic

Gymnesigobius medits (Teleostei: Gobiidae), a new gobiid genus and species from the western Mediterranean slope bottoms

Triplophysa sanduensis, a new loach species of nemacheilid (Teleostei: Cypriniformes) from South China

Two new species of Photonectes with blue luminous tissue on body, and a re-examination of P. mirabilis (Teleostei: Stomiidae)

A new Western North Atlantic Ocean kitefin shark (Squaliformes: Dalatiidae) from the Gulf of Mexico

Aenigmachanna mahabali, a new species of troglophilic snakehead (Pisces: Channidae) from Kerala, India

A new species of Parotocinclus (Loricariidae: Hypoptopomatinae) from Rio Tocantins basin, Brazil

Indo-West Pacific species of Trachinotus with spots on their sides as adults, with description of a new species endemic to the Marquesas Islands (Teleostei: Carangidae)

Paraschistura kermanensis, a new stone loach species from southeastern Iran (Teleostei: Nemacheilidae)

Redescription of the Indo-West Pacific scorpionfish Scorpaena neglecta Temminck & Schlegel, 1843, a senior synonym of four nominal species (Teleostei: Scorpaenidae)

Psilotris vantasselli, a new species of goby from the tropical western Atlantic (Teleostei: Gobiidae: Gobiosomatini: Nes subgroup)

Anthias albofasciatus Fowler and Bean, 1930, a junior synonym of Tosana niwae Smith and Pope, 1906 (Teleostei: Serranidae: Anthiadinae)

Opsarius putaoensis, a new species of subfamily Danioninae (Actinopterygii, Cyprinidae) from the Irrawaddy River basin in northern Myanmar

Review of the Oxynoemacheilus tigris group with the description of two new species from the Euphrates drainage (Teleostei: Nemacheilidae)

The catshark genus Scyliorhinus (Chondrichthyes: Carcharhiniformes: Scyliorhinidae): taxonomy, morphology and distribution

Austrolebias ephemerus (Cyprinodontiformes: Rivulidae), a new annual fish from the upper Rio Paraguai basin, Brazilian Chaco

Ophichthus chilkensis Chaudhuri, 1916 (Anguilliformes: Ophichthidae)—resurrection as a valid species from India, with re-description

Checklist of the marine and estuarine fishes of New Ireland Province, Papua New Guinea, western Pacific Ocean, with 810 new records

Chromis tingting, a new species of damselfish from mesophotic coral ecosystems of southern Japan, with notes on C. mirationis Tanaka (Teleostei: Pomacentridae)

Status of the cardinalfish genus Apogonoides and its type species Apogonoides macassariensis (Percomorpha: Apogonidae)