Hyporhamphus naos Banford & Collette, 2001. Naos Halfbeak, Pacific Silverside Halfbeak, or Pacific Silverstripe Halfbeak. To 31 cm (12.2 in) TL (Robertson and Allen 2002). San Diego, southern California to Paita, Peru, including Islas Galápagos (Banford and Collette 2001) and Gulf of California (Robertson and Allen 2002). The Galápagos fish may be an undescribed species (Banford and Collette 2001). Marine and brackish waters (Romero-Berny et al. 2018); depth: surface to 30 m (99 ft) (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California; max.: Robertson and Allen 2002).