Amarsipus
Amarsipus is the sole genus in the bagless glassfish family, Amarsipidae. It contains the single species Amarsipus carlsbergi, the amarsipa, which is a small and slender fish that lives in equatorial parts of the Indian and Pacific Oceans. It is found at depths from. It reaches in standard length. Molecular phylogenetic analysis has placed this family in the order Scombriformes within Pelagiaria; however, relationships between many pelagiarian lineages are poorly resolved and the nearest relatives of Amarsipidae remain unclear.