Fig. 16 in Putative relationships among inseminating and externally fertilizing characids, with a description of a new genus and species of Brazilian inseminating fish bearing an anal-fin gland in males (Characiformes: Characidae)

Fig. 16. Light micrographs through mature ovaries of the three species of Attonitus; arrows, spermatozoa; bar, 10 µm. A, Attonitus ephimeros, SL 33.1 mm (USNM 349696). B, A. irisae, SL 36.6 mm (USNM 349704). C, A. bounites, SL 43.0 mm (USNM 349701).