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Frigate mackerel (Auxis brachydorax) — Scombridae

Frigate mackerel

Auxis brachydorax
Family: Scombridae
LC · Least Concern

The Frigate mackerel (Auxis brachydorax) is a saltwater fish of the family Scombridae that grows up to 40 cm.

Length
40 cm
Water
Saltwater
Diet
Carnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Open water
Danger
Harmless
Range
Worldwide (tropical/subtropical)
Edibility
Commonly eaten

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Description

The frigate mackerel is a small, fast tuna relative from tropical and subtropical seas worldwide. The species grows to about 40 cm and has a powerful, torpedo-shaped, blue-silver body with a wavy pattern on the back and a row of small finlets before the tail. It schools in large numbers in open water and hunts small fish, squid and plankton. It is an important bait and food fish. The IUCN assesses the species as Least Concern (LC).

Frequently asked questions

How do you recognise the Frigate mackerel?

The Frigate mackerel has an elongate, eel-like body, is mainly blue and shows a marbled pattern. Torpedo-shaped body with finlets on the tail; fast schooling tuna-like fish

Where does the Frigate mackerel live?

The Frigate mackerel lives in the sea (marine waters) and is mostly found around open water. Worldwide (tropical/subtropical)

How big does the Frigate mackerel get?

The Frigate mackerel grows to a maximum of about 40 cm. On average the species is around 35 cm.

Is the Frigate mackerel dangerous to humans?

No, the Frigate mackerel 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 Frigate mackerel edible?

Yes, the Frigate mackerel is commonly eaten.

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All data

Identification

English name
Frigate mackerel verified
Scientific name
Auxis brachydorax
Family
Scombridae
Other names
Frigate tuna verified

Appearance

Size class
Medium verified
Max length (cm)
40.0 verified
Average length (cm)
35.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Blue sourced
Pattern
Marbled sourced
Tail shape
Crescent (lunate) sourced
Mouth position
Terminal sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
Two separate sourced
Dorsal spines
No sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Open water sourced
Natural range
Worldwide (tropical/subtropical) verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small fishes, squid and plankton inferred
Social behaviour
Schooling sourced
Territorial
No sourced
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
Seasonality
Fast schooling open-water fish; present year-round. sourced
Special features
Torpedo-shaped body with finlets on the tail; fast schooling tuna-like fish sourced

For anglers

Edibility
Commonly eaten sourced
Fishing method
Trolling and net fishing sourced
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
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 Auxis

More from the family Scombridae

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