Francis Day
- Early Life and Education
- Military Career and Service in India
- Knighthood and Honors
- Retirement and Zoological Contributions
- Scientific Legacy
- Later Years and Death
Early Life and Education
Francis Day was born on 2 March 1829, in Marysfield, Sussex, England. He was the third child of William and Ann Day. Growing up, Day developed a keen interest in natural history, particularly ichthyology, the study of fish.
Military Career and Service in India
In 1852, Day joined the British provincial service as an Assistant Surgeon in the Madras Presidency in India. His military service took him to various parts of the Indian subcontinent and Burma, where he conducted extensive research on the local fish fauna.
Knighthood and Honors
In recognition of his scientific contributions, Day was awarded the Order of the Indian Empire (CIE) in 1885. He also received the Order of the Crown of Italy during his tenure.
Retirement and Zoological Contributions
After retiring from the military in 1877, Day dedicated himself to his ichthyological research. He published several seminal works, including "The Fishes of India" (1875-1878), "The Supplement to the Fishes of India" (1888), and "The Fishes" (1889), which described over 1,400 species of Indian fish. He also published "The Fishes of Malabar" in 1865.
Scientific Legacy
Francis Day was an active member and president of the Cheltenham Natural Science Society. He made significant contributions to the field of ichthyology and is widely regarded as one of the foremost experts on the fish fauna of India and Southeast Asia.
Later Years and Death
Day spent his later years in Cheltenham, where he resided at Kenilworth House. He passed away on July 10, 1889, at the age of 60, due to stomach cancer. Day was laid to rest at the cemetery in Cheltenham.
Great Britain




