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Cleftbelly trevally (Atropus atropos) — Carangidae

Cleftbelly trevally

Atropus atropos
Family: Carangidae
LC · Least Concern

The Cleftbelly trevally (Atropus atropos) is a saltwater fish of the family Carangidae that grows up to 32 cm.

Length
31.6 cm
Water
Saltwater
Depth
5.0–100.0 m
Diet
Carnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Flat / disc-shaped
Substrate
Open water
Danger
Harmless
Range
Indo-West Pacific
Edibility
Commonly eaten

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Description

The cleftbelly trevally is a jack from the Indo-West Pacific. The species grows to about 32 cm and has a strongly laterally compressed, silvery body. Characteristic are the long pelvic fins that can be folded away into a groove along the belly, from which the species takes its name. It lives in shallow coastal water to about 100 metres depth and hunts shrimp, copepods and small fish. The fish is harmless to humans and is assessed as Least Concern (LC) by the IUCN.

Frequently asked questions

How do you recognise the Cleftbelly trevally?

The Cleftbelly trevally has a flattened, disc-shaped body, is mainly silver-grey and shows a plain pattern. Long pelvic fins fold away into a ventral groove

Where does the Cleftbelly trevally live?

The Cleftbelly trevally lives in the sea (marine waters) and is mostly found around open water. Indo-West Pacific

How big does the Cleftbelly trevally get?

The Cleftbelly trevally grows to a maximum of about 32 cm.

Is the Cleftbelly trevally dangerous to humans?

No, the Cleftbelly trevally 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 Cleftbelly trevally edible?

Yes, the Cleftbelly trevally is commonly eaten.

More photos

Cleftbelly trevally (Atropus atropos) — Carangidae — 2
iNaturalist ((c) Jiayuan Lin, some rights reserved (CC BY-NC))
Cleftbelly trevally (Atropus atropos) — Carangidae — 3
Wikimedia Commons — Kare Kare (CC BY 3.0)
Cleftbelly trevally (Atropus atropos) — Carangidae — 4
iNaturalist ((c) Ashwit Shetty, some rights reserved (CC BY))
Cleftbelly trevally (Atropus atropos) — Carangidae — 5
iNaturalist ((c) Niran Anurakpongsathorn, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Cleftbelly trevally verified
Scientific name
Atropus atropos
Family
Carangidae
Other names
Cleftbelly kingfish; Cleftbelly trevally; Kuweh trevally; Blackfin jack; Kuweh; Thin crevalle; Thin trevally; Trevally verified

Appearance

Size class
Medium verified
Max length (cm)
31.6 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Silver / grey inferred
Pattern
Plain sourced
Tail shape
Forked inferred
Mouth position
Terminal sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
Two separate sourced
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Open water sourced
Min depth (m)
5.0 verified
Max depth (m)
100.0 verified
Natural range
Indo-West Pacific verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Shrimps, copepods and small fishes inferred
Social behaviour
Schooling sourced
Territorial
No sourced
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
Seasonality
Coastal schooling mackerel relative; present year-round. sourced
Special features
Long pelvic fins fold away into a ventral groove sourced

For anglers

Edibility
Commonly 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
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

More from the family Carangidae

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