Charles Tate Regan

Charles Tate Regan FRS (1 February 1878 – 12 January 1943) was a British ichthyologist, working mainly around the beginning of the 20th century. He did extensive work on fish classification schemes.

Born in Sherborne, Dorset, he was educated at Derby School and Queens' College, Cambridge and in 1901 joined the staff of the Natural History Museum, where he became Keeper of Zoology, and later director of the entire museum, in which role he served from 1927 to 1938.

Regan was elected Fellow of the Royal Society in 1917.

Regan mentored a number of scientists, among them Ethelwynn Trewavas, who continued his work at the British Natural History Museum.

Taxon described by him
Among the species he described is the Siamese fighting fish (Betta splendens). In turn, a number of fish species have been named regani in his honour:
 * See Category:Taxa named by Charles Tate Regan

Taxon named in his honor
found in the Atlantic and Indian Oceans.
 * A Thorny Catfish Anadoras regani (Steindachner, 1908)
 * The Dwarf Cichlid Apistogramma regani
 * Apogon regani
 * A Catfish Astroblepus regani
 * A Dragonet Callionymus regani
 * The Pink Flabby Whalefish Cetostoma regani
 * Crenicichla regani
 * Diaphus regani Tåning, 1932, the Regan's lanternfish, is a species of lanternfish
 * Engyprosopon regani
 * Gambusia regani
 * Hemipsilichthys regani
 * The Izak Catshark Holohalaelurus regani
 * Hoplichthys regani
 * Hypostomus regani
 * Julidochromis regani
 * Lycozoarces regani
 * The Icefish Neosalanx regani
 * The Orkney Charr Salvelinus inframundus
 * Symphurus regani
 * Trichomycterus regani
 * Tylochromis regani
 * Vieja regani
 * Zebrias regani