n = 20
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Lythrypnus alphigena | Bussing, 1990 | Lythrypnus alphigena | Gobiidae | |
| Lythrypnus brasiliensis | Greenfield, 1988 | Lythrypnus brasiliensis | Gobiidae | |
| Lythrypnus cobalus | Bussing, 1990 | Lythrypnus cobalus | Gobiidae | |
| Lythrypnus crocodilus | (Beebe & Tee-Van, 1928) | Lythrypnus crocodilus | Gobiidae | Mahogany goby |
| Lythrypnus dalli | (Gilbert, 1890) | Lythrypnus dalli | Gobiidae | Bluebanded goby |
| Lythrypnus elasson | Böhlke & Robins, 1960 | Lythrypnus elasson | Gobiidae | Dwarf goby |
| Lythrypnus gilberti | (Heller & Snodgrass, 1903) | Lythrypnus gilberti | Gobiidae | Galapagos blue-banded goby |
| Lythrypnus heterochroma | Ginsburg, 1939 | Lythrypnus heterochroma | Gobiidae | Diphasic goby |
| Lythrypnus insularis | Bussing, 1990 | Lythrypnus insularis | Gobiidae | Distant goby |
| Lythrypnus lavenbergi | Bussing, 1990 | Lythrypnus lavenbergi | Gobiidae | |
| Lythrypnus minimus | Garzón & Acero P., 1988 | Lythrypnus minimus | Gobiidae | Pygmy goby |
| Lythrypnus mowbrayi | (Bean, 1906) | Lythrypnus mowbrayi | Gobiidae | |
| Lythrypnus nesiotes | Böhlke & Robins, 1960 | Lythrypnus nesiotes | Gobiidae | Island goby |
| Lythrypnus okapia | Robins & Böhlke, 1964 | Lythrypnus okapia | Gobiidae | Okapi goby |
| Lythrypnus phorellus | Böhlke & Robins, 1960 | Lythrypnus phorellus | Gobiidae | Convict goby |
| Lythrypnus pulchellus | Ginsburg, 1938 | Lythrypnus pulchellus | Gobiidae | Gorgeous goby |
| Lythrypnus rhizophora | (Heller & Snodgrass, 1903) | Lythrypnus rhizophora | Gobiidae | Spotcheek goby |
| Lythrypnus solanensis | Acero P., 1981 | Lythrypnus solanensis | Gobiidae | |
| Lythrypnus spilus | Böhlke & Robins, 1960 | Lythrypnus spilus | Gobiidae | Bluegold goby |
| Lythrypnus zebra | (Gilbert, 1890) | Lythrypnus zebra | Gobiidae | Zebra goby |