Pacific silverstripe halfbeak (Hyporhamphus naos) fish species and information / pictures of Pacific silverstripe halfbeak - Hyporhamphus naos

Pacific silverstripe halfbeak (Hyporhamphus naos) fish species information

Scientific Name
Hyporhamphus naos

Common Name
Pacific silverstripe halfbeak

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) (Ref. 42105).

Classification

Classified By
Banford & Collette, 2001
Class
Ray-finned fishes (Actinopterygii)
Order
Needle fishes (Beloniformes)
Family
Halfbeaks (Hemiramphidae)

Distribution

Region
Eastern Pacific
Distribution
Eastern Pacific: from Baja California, with strays north to San Diego, CA, south to Paita, Peru and in the Galapagos Islands.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
pelagic-neritic
Environment
Marine; brackish; pelagic-neritic
Trophic Level
3.02 s.e. 0.30 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
True
Occurs in Brackish water
True
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
22.9 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low vulnerability (18 of 100)
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Least Concern (LC)