Lythrypnus Explained

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)

References

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Notes and References

1. St Mary, C. M. (1994). Sex allocation in a simultaneous hermaphrodite, the blue-banded goby (Lythrypnus dalli): the effects of body size and behavioral gender and the consequences for reproduction. Behavioral Ecology, 5(3), 304–313. https://doi.org/10.1093/beheco/5.3.304