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Hatchet marlin (Tetrapturus angustirostris) — Istiophoridae

Hatchet marlin

Tetrapturus angustirostris
Family: Istiophoridae
DD · Data Deficient

The Hatchet marlin (Tetrapturus angustirostris) is a saltwater fish of the family Istiophoridae that grows up to 230 cm.

Length
230 cm
Water
Saltwater
Depth
0.0–1830.0 m
Diet
Carnivore
Behaviour
Solitary
Body shape
Elongated (eel-like)
Substrate
Open water
Danger
Harmless
Range
Worldwide in tropical and subtropical oceans.
Edibility
Rarely eaten

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Description

The shortbill spearfish is a large, fast predatory fish of the billfish family (Istiophoridae) found worldwide in tropical and subtropical oceans. The species reaches about 230 cm and has a streamlined, blue-black body with a long dorsal fin and a short, spear-shaped upper jaw, the shortest bill of all billfishes. It is oceanic and epipelagic, staying above the thermocline. The fish hunts fishes, squid and crustaceans. It is caught mainly as bycatch of tuna longline fisheries and processed in Japan into fish cakes, sashimi and sausages. The IUCN has insufficient data (DD).

Frequently asked questions

How do you recognise the Hatchet marlin?

The Hatchet marlin has an elongate, eel-like body, is mainly blue and shows a plain pattern. Shortest bill of all billfishes; fast oceanic predator.

Where does the Hatchet marlin live?

The Hatchet marlin lives in the sea (marine waters) and is mostly found around open water. Worldwide in tropical and subtropical oceans.

How big does the Hatchet marlin get?

The Hatchet marlin grows to a maximum of about 230 cm. On average the species is around 190 cm.

Is the Hatchet marlin dangerous to humans?

No, the Hatchet marlin is harmless to humans. None required: this species is harmless to humans.

Is the Hatchet marlin edible?

The Hatchet marlin is rarely eaten.

More photos

Hatchet marlin (Tetrapturus angustirostris) — Istiophoridae — 2
iNaturalist ((c) BJ Stacey, some rights reserved (CC BY-NC))
Hatchet marlin (Tetrapturus angustirostris) — Istiophoridae — 3
FAO (CC BY-NC 4.0) via GBIF
Hatchet marlin (Tetrapturus angustirostris) — Istiophoridae — 4
iNaturalist ((c) Gonzalo Mucientes Sandoval, some rights reserved (CC BY-NC))
Hatchet marlin (Tetrapturus angustirostris) — Istiophoridae — 5
Wikimedia Commons — Nholtzha (CC BY-SA 3.0)
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All data

Identification

English name
Hatchet marlin verified
Scientific name
Tetrapturus angustirostris
Family
Istiophoridae
Other names
Japanese spearfish; Marlin; Short bill spearfish; Shortbill spearfish; Short-billed spearfish; Short-billed spear-fish; Shortbill-Spearfish; Shortnosed spearfish; Slender spearfish verified

Appearance

Size class
Extra large verified
Max length (cm)
230.0 verified
Average length (cm)
190.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Blue inferred
Pattern
Plain inferred
Tail shape
Crescent (lunate) 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
Saltwater sourced
Substrate
Open water sourced
Min depth (m)
0.0 verified
Max depth (m)
1830.0 verified
Natural range
Worldwide in tropical and subtropical oceans. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Fishes, squid and crustaceans sourced
Social behaviour
Solitary inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Shortest bill of all billfishes; fast oceanic predator. sourced

For anglers

Edibility
Rarely eaten sourced
Fishing method
Trolling with bait or lures in the open ocean; mostly a sport catch and bycatch. sourced
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
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 Tetrapturus

More from the family Istiophoridae

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