Ethylwynn Trewavas
| Ethelwynn Trewavas | |
|---|---|
| Born |
5 November 1900 Penzance, United Kingdom |
| Died | 16 August 1993 (aged 92) Reading, United Kingdom |
| Nationality | British |
| Occupation | Ichthyologist and taxonomist |
Dr. Ethelwynn Trewavas (5 November 1900 – 16 August 1993) was an ichthyologist at the British Museum (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 received her Bachelor's degree and Board of Education Certificate in Teaching in 1921 from Reading University, and then worked as a teacher before being employed by the King's College of Household and Social Science as a part-time demonstrator, spending most of her time on research. She met Charles Regan and was employed by him as his assistant until hired by the Museum as Assistant Keeper in 1935. She was appointed Deputy Keeper of Zoology in 1958, and retired in 1961.
She served as the senior scientist in the Fish Section of the British Museum (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.
One example of the influence of Regan and Trewavas is that of the currently named genus categories of Lake Malawi mbuna, two are attributed to Regan and six to Trewavas. Of the Haplochromis sensu lato in the lake, five were described by Regan and twenty-seven by Trewavas, either individually or in partnership with David Eccles.
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