Pacific silverstripe halfbeak (Hyporhamphus naos)

Scientific name: Hyporhamphus naos Banford & Collette, 2001

Pacific silverstripe halfbeak (Hyporhamphus naos)

The Pacific silverstripe halfbeak (Hyporhamphus naos) is a brackish-water fish of the family Hemiramphidae. Native range: Eastern Pacific, from Baja California, with strays north to San Diego, CA, south to Paita, Peru and in the Galapagos Islands.

Biology

Dorsal soft rays (total): 12-16. This species is distinguished by the following characters: dorsal and anal fin bases of adults are covered with scales; first gill arch rakers total 29-39, second gill arch rakers total 21-28; pelvic to caudal extension falls anterior to opercle and posterior to upper jaw; for continental population, pelvic to caudal distance usually 0.44-0.47 to SL; preorbital length to orbital diameter usually greater than 0.70 (in 81% of 119 specimens examined).

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Hyporhamphus naos
Family
Hemiramphidae (Halfbeaks)
Order
Beloniformes (Needle fishes)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
22.9
Environment
Marine; brackish; pelagic-neritic
Climate
Tropical
Distribution
Eastern Pacific: from Baja California, with strays north to San Diego, CA, south to Paita, Peru and in the Galapagos Islands.
Conservation status (IUCN)
Least Concern (LC)
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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