Achaeus is a genus of crabs comprising the following species:
- Achaeus affinis <small>Miers, 1884</small>
- Achaeus akanensis <small>Sakai, 1937</small>
- Achaeus anauchen <small>Buitendijk, 1939</small>
- Achaeus barnardi <small>Griffin, 1968</small>
- Achaeus boninensis <small>Miyake & Takeda, 1969</small>
- Achaeus brevidactylus <small>Sakai, 1938</small>
- Achaeus brevifalcatus <small>Rathbun, 1911</small>
- Achaeus brevirostris <small>(Haswell, 1879)</small>
- Achaeus brevis <small>(Ortmann, 1894)</small>
- Achaeus buderes <small>Manning & Holthuis, 1981</small>
- Achaeus cadelli <small>Alcock, 1896</small>
- Achaeus cranchii <small>Leach, 1817</small>
- Achaeus curvirostris <small>(A. Milne-Edwards, 1873)</small>
- Achaeus dubia <small>Laurie, 1906</small>
- Achaeus erythraeus <small>Balss, 1929</small>
- Achaeus foresti <small>Monod, 1956</small>
- Achaeus gracilis <small>(Costa, 1839)</small>
- Achaeus inimicus <small>Rathbun, 1911</small>
- Achaeus japonicus <small>(De Haan, 1839)</small>
- Achaeus kermadecensis <small>Webber & Takeda, 2005</small>
- Achaeus lacertosus <small>Stimpson, 1858</small>
- Achaeus laevioculis <small>Miers, 1884</small>
- Achaeus lorina <small>(Adams & White, 1848)</small>
- Achaeus monodi <small>(Capart, 1951)</small>
- Achaeus paradicei <small>Griffin, 1970</small>
- Achaeus podocheloides <small>Griffin, 1970</small>
- Achaeus powelli <small>Manning, 1982</small>
- Achaeus pugnax <small>(De Man, 1928)</small>
- Achaeus robustus <small>Yokoya, 1933</small>
- Achaeus serenei <small>Griffin & Tranter, 1986</small>
- Achaeus spinosissimus <small>Griffin, 1968</small>
- Achaeus spinosus <small>Miers, 1879</small>
- Achaeus superciliaris <small>(Ortmann, 1893)</small>
- Achaeus trifalcatus <small>Forest & Guinot, 1966</small>
- Achaeus trituberculatus <small>Rathbun, 1894</small>
- Achaeus tuberculatus <small>Miers, 1879</small>
- Achaeus turbator <small>Manning & Holthuis, 1981</small>
- Achaeus varians <small>Takeda & Miyake, 1969</small>
- Achaeus villosus <small>Rathbun, 1916</small>
References