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Pacific silverstripe halfbeak (Hyporhamphus naos) — Hemiramphidae

Pacific silverstripe halfbeak

Hyporhamphus naos
Family: Hemiramphidae
LC · Least Concern

The Pacific silverstripe halfbeak (Hyporhamphus naos) is a brackish-water fish of the family Hemiramphidae that grows up to 29 cm.

Length
29 cm
Water
Brackish
Depth
0.0–? m
Diet
Omnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Open water
Danger
Harmless
Range
Eastern Pacific
Edibility
Rarely eaten

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Description

The Pacific silverstripe halfbeak is a slender halfbeak from the eastern Pacific, along the coasts of Central and South America. The species grows to about 29 cm and has an elongate, silvery body with a shiny lateral stripe and a greatly elongated, needle-like lower jaw. As a surface swimmer it schools in shallow coastal and estuarine water and feeds on small zooplankton and drifting algae. The fish is harmless to humans and is a local bait and food fish. The IUCN assesses the species as Least Concern (LC).

Frequently asked questions

How do you recognise the Pacific silverstripe halfbeak?

The Pacific silverstripe halfbeak has an elongate, eel-like body, is mainly silver-grey and shows a horizontal stripes pattern. Needle-shaped elongated lower jaw; schooling surface swimmer

Where does the Pacific silverstripe halfbeak live?

The Pacific silverstripe halfbeak lives in brackish water and is mostly found around open water. Eastern Pacific

How big does the Pacific silverstripe halfbeak get?

The Pacific silverstripe halfbeak grows to a maximum of about 29 cm.

Is the Pacific silverstripe halfbeak dangerous to humans?

No, the Pacific silverstripe halfbeak is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

Is the Pacific silverstripe halfbeak edible?

The Pacific silverstripe halfbeak is rarely eaten.

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All data

Identification

English name
Pacific silverstripe halfbeak verified
Scientific name
Hyporhamphus naos
Family
Hemiramphidae

Appearance

Size class
Medium verified
Max length (cm)
29.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey sourced
Pattern
Horizontal stripes sourced
Tail shape
Forked inferred
Mouth position
Superior (upward) sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
One continuous sourced
Dorsal spines
No sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Open water sourced
Min depth (m)
0.0 verified
Natural range
Eastern Pacific verified
Origin
Native verified

Behaviour & biology

Diet
Omnivore sourced
Diet (detail)
Small zooplankton and floating algae inferred
Social behaviour
Schooling sourced
Territorial
No sourced
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
Seasonality
Schooling surface halfbeak; present year-round. sourced
Special features
Needle-shaped elongated lower jaw; schooling surface swimmer sourced

For anglers

Edibility
Rarely eaten sourced
Fishing method
Net fishing sourced
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Hyporhamphus

More from the family Hemiramphidae

Fin

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