Ethelwynn Trewavas

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Dr. Ethelwynn Trewavas (5 November 1900 — 16 August 1993) was an ichthyologist at the British Museum of Natural History. She was known for her work on the families Cichlidae and Sciaenidae. She worked with Charles Tate Regan another ichthyologist and taxonomist.

She served as the senior scientist in the Fish Section of the British Museum of Natural History for almost 50 years, and was known internationally as an authority on several diverse groups of fishes. She was best known for her work describing African Rift lake cichlids, but she published extensively on other groups as well. She used laboratory study and extended field trips to research her current areas of study, and often relied on interviews with local people to understand the behaviours, forms and food potential of fishes.[citation needed]

One example of the influence of Regan and Trewavas is that of the 13 currently named genus categories of Lake Malawi mbuna, two are attributed to Regan and six to Trewavas [1]. Of the 41 genera of Haplochromis in the lake, five were described by Regan and 27 by Trewavas, either individually or in partnership with David Eccles.

Later in life she mentored prominent researcher Ad Konings, who has continued many of her areas of study. When her eyesight failed she insisted that he accept her stereo microscope as a gift so he could continue her work with African cichlids.

Species named after Ethelwynn Trewavas[edit]

Many fellow ichthyologists honoured Trewavas by naming newly discovered species after her. Even during her lifetime, more fish species had received the specific epithet trewavasae ("of Trewavas") or ethelwynnae ("of Ethelwynn") than were named after most other modern fish researchers, underscoring the importance of her contribution to the field:

After her death, the memory of her contributions remained. Posthumous honorific names are, as of 2009:

Publications (incomplete)[edit]

  • 1983: Tilapiine Fishes of the Genera "Sarotherodon", "Oreochromis" and "Danakilia" . 583 pages. London: British Museum (Natural History) ISBN 0-565-00878-1

References[edit]

External links[edit]