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Bonnetmouth (Emmelichthys nitidus) — Emmelichthyidae

Bonnetmouth

Emmelichthys nitidus
LC · Least Concern

The Bonnetmouth (Emmelichthys nitidus) is a saltwater fish of the family Emmelichthyidae that grows up to 55 cm.

Length
55 cm
Water
Saltwater
Depth
86.0–500.0 m
Diet
Carnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
Temperate waters of the southern hemisphere around southern Africa, Australia and South America.
Edibility
Commonly eaten

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Description

The Cape bonnetmouth is a slender, schooling marine fish of the family Emmelichthyidae from the southern hemisphere. The species grows to about 55 cm and has a streamlined, elongate body with a small, highly protrusible mouth used to filter zooplankton from the water. Young fish live near the surface, often among schools of herring-like fishes, while adults stay at greater depth, between roughly 85 and 500 metres, close to the bottom. The species is fished commercially, mainly as baitfish. It is harmless to humans.

Frequently asked questions

How do you recognise the Bonnetmouth?

The Bonnetmouth has an elongate, eel-like body, is mainly red-orange and shows a plain pattern. Small, highly protrusible mouth for filtering plankton; juveniles swim with herring-like fishes.

Where does the Bonnetmouth live?

The Bonnetmouth lives in the sea (marine waters) and is mostly found around sand or mud bottom. Temperate waters of the southern hemisphere around southern Africa, Australia and South America.

How big does the Bonnetmouth get?

The Bonnetmouth grows to a maximum of about 55 cm.

Is the Bonnetmouth dangerous to humans?

No, the Bonnetmouth 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 Bonnetmouth edible?

Yes, the Bonnetmouth is commonly eaten.

More photos

Bonnetmouth (Emmelichthys nitidus) — Emmelichthyidae — 2
Chi Phan (CC BY 4.0) via GBIF — AM
Bonnetmouth (Emmelichthys nitidus) — Emmelichthyidae — 3
Wikimedia Commons — Frank Edward Clarke (Public domain) [illustratie]
Bonnetmouth (Emmelichthys nitidus) — Emmelichthyidae — 4
iNaturalist ((c) Ken Graham, some rights reserved (CC BY-NC))
Bonnetmouth (Emmelichthys nitidus) — Emmelichthyidae — 5
iNaturalist ((c) Andrey M. M., some rights reserved (CC BY-NC))
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All data

Identification

English name
Bonnetmouth verified
Scientific name
Emmelichthys nitidus
Family
Emmelichthyidae
Other names
Bonnetmouth; Cape bonnetmouth; Pearl fish; Picarel; Red baitfish; Redbait; Southern rover; Red herring verified

Appearance

Size class
Large verified
Max length (cm)
55.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Red / orange inferred
Pattern
Plain inferred
Tail shape
Forked inferred
Mouth position
Terminal inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
Two separate inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
86.0 verified
Max depth (m)
500.0 verified
Natural range
Temperate waters of the southern hemisphere around southern Africa, Australia and South America. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Zooplankton sourced
Social behaviour
Schooling inferred
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Spawns pelagically; juveniles appear seasonally near the surface. inferred
Special features
Small, highly protrusible mouth for filtering plankton; juveniles swim with herring-like fishes. sourced

For anglers

Edibility
Commonly eaten sourced
Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. 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

Same genus Emmelichthys

More from the family Emmelichthyidae

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