Lythrypnus

Lythrypnus is a genus of gobies native to the Atlantic and Pacific coasts of the Americas including Cocos Island and the Galapagos Islands. Lythrypnus is a hermaphroditic fish that is able to change sex. Depending on its size and shape, Lythrypnus Dalli is able to have both male and female reproductive function.

==Species== There are currently 20 recognized species in this genus: Lythrypnus alphigena W. A. Bussing, 1990 Lythrypnus brasiliensis D. W. Greenfield, 1988 Lythrypnus cobalus W. A. Bussing, 1990 Lythrypnus crocodilus (Beebe & Tee-Van, 1928) (Mahogany goby) Lythrypnus dalli (C. H. Gilbert, 1890) (Bluebanded goby) Lythrypnus elasson J. E. Böhlke & C. R. Robins, 1960 (Dwarf goby) Lythrypnus gilberti (Heller & Snodgrass, 1903) (Galapagos blue-banded goby) Lythrypnus heterochroma Ginsburg, 1939 (Diphasic goby) Lythrypnus insularis W. A. Bussing, 1990 (Distant goby) Lythrypnus lavenbergi W. A. Bussing, 1990 Lythrypnus minimus Garzón & Acero P., 1988 (Pygmy goby) Lythrypnus mowbrayi (T. H. Bean, 1906) Lythrypnus nesiotes J. E. Böhlke & C. R. Robins, 1960 (Island goby) Lythrypnus okapia C. R. Robins & J. E. Böhlke, 1964 (Okapi goby) Lythrypnus phorellus J. E. Böhlke & C. R. Robins, 1960 (Convict goby) Lythrypnus pulchellus Ginsburg, 1938 (Gorgeous goby) Lythrypnus rhizophora (Heller & Snodgrass, 1903) (Spotcheek goby) Lythrypnus solanensis Acero P., 1981 Lythrypnus spilus J. E. Böhlke & C. R. Robins, 1960 (Bluegold goby) Lythrypnus zebra (C. H. Gilbert, 1890) (Zebra goby)