''Citharidium ansorgii'' is a species of lutefish found in the Niger River basin in Nigeria and also reported from Cameroon. It is the only member of its genus. Its conservation status is least concern. The only known threats which could negatively affect the population of this species are oil studies in the Lower Delta and potential impact of the invasive water hyacinth in the inland delta. The average length of unsexed males is about 58.6 cm (23 in). The heaviest recorded specimen of this species weighed 20 pounds. ''Citharidium ansorgii'' can be found in fresh water at demersal water depths, in tropical climates. This species is known for migrating upstream for spawning. The fish named in honor of explorer

William John Ansorge William John Ansorge (6 April 1850 – 31 October 1913 at Luanda) was a physician who worked in Angola and Uganda and is known for exploring the fauna of the African region. A large number of species have been named after him based on the specime ...

(1850-1913), who collected the type specimen.

References

Characiformes Monotypic fish genera Fish of Africa Taxa named by George Albert Boulenger Fish described in 1902 {{Characiformes-stub