''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 Ocean The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...

s. It is found at depths from . It reaches in

standard length Fish measurement is the measuring of individual fish and various parts of fish anatomy, their anatomies, for data used in many areas of ichthyology, including Taxonomy (biology), taxonomy and fishery biology. Overall length Standard length (SL) is ...

. Molecular phylogenetic analysis has placed this family in the order

Scombriformes Scombriformes, also known as Pelagia and Pelagiaria, is an order of ray-finned fish within the clade Percomorpha. It contains 287 extant species in 16 families, most of which were previously classified under the suborders Scombroidei and Stroma ...

within Pelagiaria; however, relationships between many pelagiarian lineages are poorly resolved and the nearest relatives of Amarsipidae remain unclear.

References

Scombriformes Monotypic ray-finned fish genera {{Scombroidei-stub