| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Aplysia argus Rüppell & Leuckart, 1830 |
Indo-Pacific | ||
| Aplysia brasiliana Rang, 1828 |
Mottled seahare | Western Atlantic | 27 |
| Aplysia californica Cooper, 1863 |
California seahare | Pacific Ocean | 70 |
| Aplysia cedrosensis Bartsch & Rehder, 1939 |
Cedros seahare | Eastern Central Pacific | 40 |
| Aplysia cervina (Dall & Simpson, 1901) |
Western Atlantic | 10 | |
| Aplysia concava Sowerby I, 1833 |
Western Pacific | ||
| Aplysia dactylomela Rang, 1828 |
Black spotted seahare | Atlantic Ocean and the Mediterranean | 41 |
| Aplysia depilans Gmelin, 1791 |
Mediterranean | 40 | |
| Aplysia donca Marcus & Marcus, 1960 |
Western Atlantic | ||
| Aplysia extraordinaria (Allan, 1932) |
Extraordinary sea hare | Southwest Pacific | |
| Aplysia fasciata Poiret, 1789 |
Atlantic Ocean and the Mediterranean | 40 | |
| Aplysia japonica Sowerby I, 1869 |
Northwest Pacific | ||
| Aplysia juliana Quoy & Gaimard, 1832 |
Juliana's seahare | Circumglobal tropical and temperate seas; Found in all warm water | 30 |
| Aplysia keraudreni Rang, 1828 |
Eastern Central Pacific | ||
| Aplysia kurodai (Baba, 1937) |
Kuroda's sea hare | Western Pacific | 34 |
| Aplysia morio (Verrill, 1901) |
Sooty seahare | Western Atlantic | 40 |
| Aplysia nigrocincta von Martens, 1880 |
Indo-West Pacific | ||
| Aplysia oculifera Adams & Reeve, 1850 |
Ocellated sea hare | Indo-Pacific and Southeast Atlantic | 15 |
| Aplysia parvula Mörch, 1863 |
Little sea hare | Circumglobal tropical, temperate seas and the Mediterranean Sea | 19 |
| Aplysia punctata Cuvier, 1804 |
Spotted sea hare | Northeast Atlantic, Mediterranean Sea and the Arctic | 20 |
| Aplysia reticulata (Eliot, 1903) |
Indo-West Pacific | 11 | |
| Aplysia reticulopoda Beeman, 1960 |
Net-foot seahare | Eastern Pacific | |
| Aplysia sowerbyi Pilsbry, 1895 |
Sowerby's sea hare | Indo-West Pacific | |
| Aplysia sydneyensis Sowerby, 1869 |
Indo-West Pacific | 15 | |
| Aplysia tarda (Verrill, 1901) |
Western Atlantic | ||
| Aplysia vaccaria Winkler, 1955 |
Black seahare | Eastern Pacific | 99 |
| Aplysia willcoxi Heilprin, 1886 |
Western Central Atlantic |