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Fitzroy garpike (Strongylura krefftii) — Belonidae

Fitzroy garpike

Strongylura krefftii
Family: Belonidae
LC · Least Concern

The Fitzroy garpike (Strongylura krefftii) is a brackish-water fish of the family Belonidae that grows up to 85 cm.

Length
85 cm
Water
Brackish
Depth
0.0–? m
Diet
Carnivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Open water
Danger
Can cause injury
Range
Australia and New Guinea; fresh and brackish rivers.
Edibility
Rarely eaten

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Description

The freshwater longtom is a needlefish (Belonidae) from the fresh and brackish waters of Australia and New Guinea. The species grows to about 60 cm and has a very elongate, silvery body with long, thin jaws full of small, sharp teeth that project forward like a beak. It inhabits still and flowing rivers, from the tidal zone to far inland, and also impoundments. It often shelters near overhanging vegetation or submerged roots, from where it hunts small fishes at the surface. When disturbed it can leap from the water and inflict a puncture wound with its pointed beak.

Frequently asked questions

How do you recognise the Fitzroy garpike?

The Fitzroy garpike has an elongate, eel-like body, is mainly silver-grey and shows a plain pattern. Long beak-like jaws full of small teeth; freshwater needlefish that can leap out of the water.

Where does the Fitzroy garpike live?

The Fitzroy garpike lives in brackish water and is mostly found around open water. Australia and New Guinea; fresh and brackish rivers.

How big does the Fitzroy garpike get?

The Fitzroy garpike grows to a maximum of about 85 cm.

Is the Fitzroy garpike dangerous to humans?

The Fitzroy garpike can cause injury; handle it with care. Not venomous, but this needlefish can leap from the water when disturbed and inflict a deep puncture wound with its sharp, pointed beak. Clean the wound, check for embedded fragments and seek medical care if it is deep or becomes infected.

Is the Fitzroy garpike edible?

The Fitzroy garpike is rarely eaten.

More photos

Fitzroy garpike (Strongylura krefftii) — Belonidae — 2
Pitassy, Diane E. (CC0 1.0) via GBIF — USNM
Fitzroy garpike (Strongylura krefftii) — Belonidae — 3
B. Hutchins, Western Australian Museum (CC BY-NC 4.0) via GBIF
Fitzroy garpike (Strongylura krefftii) — Belonidae — 4
iNaturalist ((c) Stephen Davies, some rights reserved (CC BY-NC))
Fitzroy garpike (Strongylura krefftii) — Belonidae — 5
iNaturalist ((c) xavierpiron, some rights reserved (CC BY-NC))
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All data

Identification

English name
Fitzroy garpike verified
Scientific name
Strongylura krefftii
Family
Belonidae
Other names
Freshwater longtom; Freshwater long-tom; Long tom verified

Appearance

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

Habitat & distribution

Water type
Brackish sourced
Substrate
Open water sourced
Min depth (m)
0.0 verified
Natural range
Australia and New Guinea; fresh and brackish rivers. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small fishes at the surface 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
Long beak-like jaws full of small teeth; freshwater needlefish that can leap out of the water. sourced

For anglers

Edibility
Rarely eaten sourced
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
Can cause injury sourced
First aid
Not venomous, but this needlefish can leap from the water when disturbed and inflict a deep puncture wound with its sharp, pointed beak. Clean the wound, check for embedded fragments and seek medical care if it is deep or becomes infected. sourced

Status & sources

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

Same genus Strongylura

More from the family Belonidae

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