Amarsipus carlsbergi, the Amarsipa, is a small and slender fish that lives in equatorial parts of the Indian and Pacific Oceans. It is found at depths from 30 to 130 m (98 to 427 ft). It reaches 21.2 cm (8.3 in) in standard length. It is the only species in the bagless glassfish family, Amarsipidae.