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Barred longtom (Ablennes hians) — Belonidae

Barred longtom

Ablennes hians
Family: Belonidae
LC · Least Concern

The Barred longtom (Ablennes hians) is a brackish-water fish of the family Belonidae that grows up to 140 cm.

Length
140 cm
Water
Brackish
Depth
0.0–3.0 m
Diet
Carnivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Stone or rock
Danger
Can cause injury
Range
Circumtropical in warm coastal and oceanic waters worldwide.
Edibility
Rarely eaten

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Description

The flat needlefish is a large beaked fish of the family Belonidae occurring circumtropically in warm seas. The species has a strongly compressed, ribbon-like, silvery-blue body with several dark cross-bars and long, toothed jaws, and reaches about 140 cm. It lives in coastal and oceanic waters, often near islands, enters estuaries and coastal rivers and sometimes forms large schools. The diet consists mainly of small fishes. When disturbed the species can leap from the water at high speed. The fish is marketed fresh, salted, smoked or frozen.

Frequently asked questions

How do you recognise the Barred longtom?

The Barred longtom has an elongate, eel-like body, is mainly silver-grey and shows a vertical stripes pattern. Strongly flattened, ribbon-shaped body with long toothed jaws; can leap out of the water.

Where does the Barred longtom live?

The Barred longtom lives in brackish water and is mostly found around stony or rocky ground. Circumtropical in warm coastal and oceanic waters worldwide.

How big does the Barred longtom get?

The Barred longtom grows to a maximum of about 140 cm. On average the species is around 70 cm.

Is the Barred longtom dangerous to humans?

The Barred longtom can cause injury; handle it with care. This fast, toothed beaked fish can leap from the water when disturbed and cause puncture or cut wounds with its sharp snout, especially at night near artificial light. Clean any wound thoroughly and seek medical help for deep injuries.

Is the Barred longtom edible?

The Barred longtom is rarely eaten.

More photos

Barred longtom (Ablennes hians) — Belonidae — 2
Wikimedia Commons — Hamid Badar Osmany (CC BY-SA 3.0)
Barred longtom (Ablennes hians) — Belonidae — 3
Chi Phan (CC BY 4.0) via GBIF — AM
Barred longtom (Ablennes hians) — Belonidae — 4
iNaturalist ((c) Lawrence Haselmaier, some rights reserved (CC BY-NC))
Barred longtom (Ablennes hians) — Belonidae — 5
Wikimedia Commons — David Starr Jordan / Barton Warren Evermann (Public domain)

Easily confused with

These species look like the Barred longtom and live in the same waters.

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All data

Identification

English name
Barred longtom verified
Scientific name
Ablennes hians
Family
Belonidae
Other names
Barred longtom; Barred needle fish; Barred needlefish; Flat needlefish; Flatsided needlefish; Gar fish; Needlefish; Flat needle fish; Gaping needlefish; Garfish; Eel pike; Flat billfish verified

Appearance

Size class
Extra large verified
Max length (cm)
140.0 verified
Average length (cm)
70.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey inferred
Pattern
Vertical bars inferred
Tail shape
Forked inferred
Mouth position
Beak-shaped inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
No sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Stone or rock sourced
Min depth (m)
0.0 verified
Max depth (m)
3.0 verified
Natural range
Circumtropical in warm coastal and oceanic waters worldwide. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small fishes sourced
Social behaviour
Small groups inferred
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Strongly flattened, ribbon-shaped body with long toothed jaws; can leap out of the water. sourced

For anglers

Edibility
Rarely eaten sourced
Fishing method
Fishing with natural bait (fish, shrimp, worm) or lures close to reef and rock structures. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Can cause injury sourced
First aid
This fast, toothed beaked fish can leap from the water when disturbed and cause puncture or cut wounds with its sharp snout, especially at night near artificial light. Clean any wound thoroughly and seek medical help for deep injuries. sourced

Status & sources

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

More from the family Belonidae

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