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Pilot (Naucrates ductor) — Carangidae

Pilot

Naucrates ductor
Family: Carangidae
LC · Least Concern

The Pilot (Naucrates ductor) is a saltwater fish of the family Carangidae that grows up to 70 cm.

Length
70 cm
Water
Saltwater
Depth
0.0–300.0 m
Diet
Carnivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Circumtropical in all oceans; an oceanic species that often occurs far from the coast.
Edibility
Rarely eaten

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Description

The pilotfish is a streamlined oceanic fish of the family Carangidae reaching about 70 cm. The body is bluish with six to seven broad dark cross-bars and white tips on the tail and fin lobes. The species is known for its remarkable behaviour: it travels in a semi-obligate commensal relationship with sharks, rays, large fish and sea turtles, feeding on their food scraps, parasites and excrement, supplemented with small fish and invertebrates. The pilotfish occurs circumtropically in all oceans, often far from the coast. Juveniles shelter among jellyfish and drifting seaweed until large enough to associate with bigger hosts.

Frequently asked questions

How do you recognise the Pilot?

The Pilot has a torpedo-shaped body, is mainly blue and shows a vertical stripes pattern. Blue, banded ocean fish that travels along with sharks, rays and sea turtles in a fixed companion relationship and feeds on their food scraps and parasites.

Where does the Pilot live?

The Pilot lives in the sea (marine waters) and is mostly found around stony or rocky ground. Circumtropical in all oceans; an oceanic species that often occurs far from the coast.

How big does the Pilot get?

The Pilot grows to a maximum of about 70 cm. On average the species is around 40 cm.

Is the Pilot dangerous to humans?

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

Is the Pilot edible?

The Pilot is rarely eaten.

More photos

Pilot (Naucrates ductor) — Carangidae — 2
Wikimedia Commons — Raju Saravanan (CC BY 3.0)
Pilot (Naucrates ductor) — Carangidae — 3
NOAA (CC0 1.0) via GBIF — USNM
Pilot (Naucrates ductor) — Carangidae — 4
iNaturalist ((c) Raphael Forns, some rights reserved (CC BY-NC))
Pilot (Naucrates ductor) — Carangidae — 5
Carlos Miñambres (CC BY-NC 4.0) via GBIF

Easily confused with

These species look like the Pilot and live in the same waters.

Fin

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All data

Identification

English name
Pilot verified
Scientific name
Naucrates ductor
Family
Carangidae
Other names
Pilot fish; Pilotfish; Pilot-fish; Sucker verified

Appearance

Size class
Large verified
Max length (cm)
70.0 verified
Average length (cm)
40.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Blue sourced
Pattern
Vertical bars sourced
Tail shape
Forked sourced
Mouth position
Terminal inferred
Barbels
No verified
Dorsal fins
Two separate sourced
Dorsal spines
Yes verified

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
0.0 verified
Max depth (m)
300.0 verified
Natural range
Circumtropical in all oceans; an oceanic species that often occurs far from the coast. verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore verified
Diet (detail)
Small fishes, crustaceans and invertebrates inferred
Social behaviour
Small groups verified
Territorial
No verified
Activity
Diurnal sourced
Reproduction
Separate sexes verified
Sexual dimorphism
No verified
Seasonality
Travels semi-obligatorily with large marine animals; young animals shelter with jellyfish and floating seaweed. sourced
Special features
Blue, banded ocean fish that travels along with sharks, rays and sea turtles in a fixed companion relationship and feeds on their food scraps and parasites. sourced

For anglers

Edibility
Rarely eaten verified
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
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

More from the family Carangidae

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