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Estuarine halfbeak (Zenarchopterus ectuntio) — Zenarchopteridae

Estuarine halfbeak

Zenarchopterus ectuntio

The Estuarine halfbeak (Zenarchopterus ectuntio) is a brackish-water fish of the family Zenarchopteridae that grows up to 18 cm.

Length
18 cm
Water
Brackish
Depth
0.0–? m
Behaviour
Schooling
Body shape
Elongated (eel-like)
Substrate
Open water
Danger
Harmless
Range
Asia: Myanmar, Cambodia, Taiwan/Ch Taipei, Hong Kong, India, Indonesia and others
Edibility
Commonly eaten

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Description

The Estuarine halfbeak is a halfbeak (Zenarchopteridae) from shallow, often brackish coastal and estuarine water of the Indo-West Pacific. The species grows to about 12 cm and has a very slender, silvery body in which the lower jaw is extended into a long, needle-like beak while the upper jaw is short. As a surface fish it swims just below the surface and snaps at insects falling on the water, larvae and small zooplankton. Many species give birth to live young. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Estuarine halfbeak?

The Estuarine halfbeak has an elongate, eel-like body and is mainly silver-grey.

Where does the Estuarine halfbeak live?

The Estuarine halfbeak lives in brackish water and is mostly found around open water. Asia: Myanmar, Cambodia, Taiwan/Ch Taipei, Hong Kong, India, Indonesia and others

How big does the Estuarine halfbeak get?

The Estuarine halfbeak grows to a maximum of about 18 cm.

Is the Estuarine halfbeak dangerous to humans?

No, the Estuarine 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 Estuarine halfbeak edible?

Yes, the Estuarine halfbeak is commonly eaten.

More photos

Estuarine halfbeak (Zenarchopterus ectuntio) — Zenarchopteridae — 2
iNaturalist ((c) James Bailey, some rights reserved (CC BY-NC))
Estuarine halfbeak (Zenarchopterus ectuntio) — Zenarchopteridae — 3
iNaturalist ((c) Nasser Halaweh, some rights reserved (CC BY))
Estuarine halfbeak (Zenarchopterus ectuntio) — Zenarchopteridae — 4
iNaturalist ((c) the_taxanaut, some rights reserved (CC BY-NC))
Estuarine halfbeak (Zenarchopterus ectuntio) — Zenarchopteridae — 5
Wikimedia Commons — R. Mintern (Public domain)
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All data

Identification

English name
Estuarine halfbeak sourced
Scientific name
Zenarchopterus ectuntio
Family
Zenarchopteridae
Other names
Halfbeak; Ectuntio halfbeak verified

Appearance

Size class
Medium verified
Max length (cm)
18.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Brackish sourced
Substrate
Open water sourced
Min depth (m)
0.0 verified
Natural range
Asia: Myanmar, Cambodia, Taiwan/Ch Taipei, Hong Kong, India, Indonesia and others sourced
Origin
Native inferred

Behaviour & biology

Social behaviour
Schooling sourced
Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

Edibility
Commonly eaten inferred
Fishing method
Can be caught with natural bait or lures, matched to the size and habitat of the species. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified
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 Zenarchopterus

More from the family Zenarchopteridae

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