7505 Hyporhamphus acutus (Günther, 1872) Hemiramphidae Halfbeaks Beloniformes Teleostei Pacific halfbeak Pacific Ocean: confined around oceanic islands, ranging from the Marshalls, Gilberts, and Tonga to the Marquesan and Easter islands (Ref. 1602). AMNH 18475 Hyporhamphus acutus AMNH 4606 Hyporhamphus acutus FB 2741040 Hemirhamphus arnoldorum AMNH 18030 1936 Hyporhamphus acutus AMNH 19526 1936 Hyporhamphus acutus AMNH 50501 1946 Hyporhamphus acutus AMNH 51706 1970 Hyporhamphus acutus AMNH 72494 1970 Hyporhamphus acutus AMNH 72575 1970 Hyporhamphus acutus