: the species is currently present in 5 of them (endemic, native, introduced);
: possible in 1 of them (stray, questionable);
: absent from 1 of them (extirpated, not established, misidentification, error).
: all reports listed together.
: Africa: Ouémé basin (Benin) (Ref. 57415
) up to the Ntem (Cameroon) (Ref. 81678
), including the Lake Chad basin (Ref. 57415
). Also known from Bioko Island (formerly Fernando Poo) in Equatorial Guinea (Ref. 81678
). Reported from the middle Congo River basin (Ref. 6060
), but this is questionable and unconfirmed in Ref. 57415 or 81678.
The map in this page was supported by BioFresh that has received funding from the
European Union's Seventh Programme for research, technological development and demonstration under grant agreement No 226874