''Grasseichthys gabonensis'' is an extremely small (around 2 cm) fish native to the Ivindo and Central Congo basins of

Africa Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surfac ...

. It is the only member of its genus.

References

Endemic fauna of Gabon Kneriidae Taxa named by Jacques Géry Fish of Africa Monotypic freshwater fish genera {{Gonorynchiformes-stub