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Asian halfbeak (Hyporhamphus intermedius) — Hemiramphidae

Asian halfbeak

Hyporhamphus intermedius
Family: Hemiramphidae
LC · Least Concern

The Asian halfbeak (Hyporhamphus intermedius) is a fish that lives in both fresh and salt water of the family Hemiramphidae that grows up to 20 cm.

Length
20.3 cm
Water
Euryhaline
Depth
0.0–? m
Diet
Omnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Open water
Danger
Harmless
Range
East Asia (China, Korea and Japan), in coastal water, estuaries and the lower reaches of rivers; tolerates fresh to salt water.
Edibility
Commonly eaten

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Description

The Asian halfbeak is a slender, silvery surface fish of the family Hemiramphidae (halfbeaks) reaching about 20 cm. Characteristic is the mouth: the upper jaw is short and triangular, while the lower jaw is greatly elongated into a thin, beak-like point. With its flat back and high-set eyes the fish feeds just below the water surface. The species comes from East Asia and lives in coastal water, estuaries and the lower reaches of rivers; it tolerates fresh to salt water. In schools it eats zooplankton, drifting insects and algae. The eggs bear sticky threads that attach them to water plants. It is a common small food fish.

Frequently asked questions

How do you recognise the Asian halfbeak?

The Asian halfbeak has a torpedo-shaped body, is mainly silver-grey and shows a horizontal stripes pattern. Slender, silver small surface fish with a short upper jaw and a greatly elongated, beak-shaped lower jaw.

Where does the Asian halfbeak live?

The Asian halfbeak lives in both fresh and salt water and is mostly found around open water. East Asia (China, Korea and Japan), in coastal water, estuaries and the lower reaches of rivers; tolerates fresh to salt water.

How big does the Asian halfbeak get?

The Asian halfbeak grows to a maximum of about 20 cm.

Is the Asian halfbeak dangerous to humans?

No, the Asian halfbeak is harmless to humans. None required: this species is harmless to humans.

Is the Asian halfbeak edible?

Yes, the Asian halfbeak is commonly eaten.

More photos

Asian halfbeak (Hyporhamphus intermedius) — Hemiramphidae — 2
iNaturalist ((c) taiwan_habu, some rights reserved (CC BY-NC))
Asian halfbeak (Hyporhamphus intermedius) — Hemiramphidae — 3
Randall, John E. (CC0 1.0) via GBIF — USNM
Asian halfbeak (Hyporhamphus intermedius) — Hemiramphidae — 4
iNaturalist ((c) 好记性, some rights reserved (CC BY-NC))
Asian halfbeak (Hyporhamphus intermedius) — Hemiramphidae — 5
iNaturalist ((c) r-fujii, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Asian halfbeak verified
Scientific name
Hyporhamphus intermedius
Family
Hemiramphidae
Other names
Garfish; Asian pencil halfbeak verified

Appearance

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

Habitat & distribution

Water type
Euryhaline verified
Substrate
Open water verified
Min depth (m)
0.0 verified
Natural range
East Asia (China, Korea and Japan), in coastal water, estuaries and the lower reaches of rivers; tolerates fresh to salt water. verified
Origin
Native verified

Behaviour & biology

Diet
Omnivore verified
Diet (detail)
Zooplankton, floating insects and algae at the surface sourced
Social behaviour
Schooling verified
Territorial
No verified
Activity
Diurnal inferred
Reproduction
Separate sexes verified
Sexual dimorphism
No verified
Seasonality
Forms shoals just below the surface; the eggs have sticky threads and attach to aquatic plants. sourced
Special features
Slender, silver small surface fish with a short upper jaw and a greatly elongated, beak-shaped lower jaw. sourced

For anglers

Edibility
Commonly eaten verified
Fishing method
Angling with lures or (dead/live) baitfish by trolling, casting or drift fishing in open water. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified
First aid
None required: this species is harmless to humans. sourced

Status & sources

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

Same genus Hyporhamphus

More from the family Hemiramphidae

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