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Darkspot mojarra (Eucinostomus entomelas) — Gerreidae

Darkspot mojarra

Eucinostomus entomelas
Family: Gerreidae
LC · Least Concern

The Darkspot mojarra (Eucinostomus entomelas) is a brackish-water fish of the family Gerreidae that grows up to 23 cm.

Length
23.2 cm
Water
Brackish
Diet
Omnivore
Behaviour
Schooling
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
Coastal waters and lagoons of the eastern Pacific.
Edibility
Rarely eaten

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Description

The dark-spot mojarra (Eucinostomus entomelas) is a silvery coastal fish of the family Gerreidae from the eastern Pacific. The species has a streamlined, shining silver body with a strongly protrusible mouth with which it sucks prey from the bottom, and usually bears a dark spot on the dorsal fin; it reaches about 23 cm. It lives over soft bottoms in coastal waters; juveniles stay in coastal lagoons and estuaries. It is an omnivore feeding on bottom invertebrates and lives in schools. The species is of limited local fishery importance and is sometimes landed as bycatch.

Frequently asked questions

How do you recognise the Darkspot mojarra?

The Darkspot mojarra has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Highly protrusible mouth for sucking prey from the bottom; dark blotch on the dorsal fin.

Where does the Darkspot mojarra live?

The Darkspot mojarra lives in brackish water and is mostly found around sand or mud bottom. Coastal waters and lagoons of the eastern Pacific.

How big does the Darkspot mojarra get?

The Darkspot mojarra grows to a maximum of about 23 cm.

Is the Darkspot mojarra dangerous to humans?

No, the Darkspot mojarra 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 Darkspot mojarra edible?

The Darkspot mojarra is rarely eaten.

More photos

Darkspot mojarra (Eucinostomus entomelas) — Gerreidae — 2
iNaturalist ((c) Daniel, some rights reserved (CC BY-NC))
Darkspot mojarra (Eucinostomus entomelas) — Gerreidae — 3
iNaturalist ((c) Alberto González-Gallina, some rights reserved (CC BY-NC))
Darkspot mojarra (Eucinostomus entomelas) — Gerreidae — 4
iNaturalist ((c) Alberto Alcalá, some rights reserved (CC BY))
Darkspot mojarra (Eucinostomus entomelas) — Gerreidae — 5
iNaturalist ((c) Alberto Alcalá, some rights reserved (CC BY))
Fin

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All data

Identification

English name
Darkspot mojarra verified
Scientific name
Eucinostomus entomelas
Family
Gerreidae
Other names
Dark-spot mojarra verified

Appearance

Size class
Medium verified
Max length (cm)
23.2 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey inferred
Pattern
Plain inferred
Tail shape
Forked inferred
Mouth position
Inferior (downward) inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Sand / mud bottom sourced
Natural range
Coastal waters and lagoons of the eastern Pacific. inferred
Origin
Native sourced

Behaviour & biology

Diet
Omnivore sourced
Diet (detail)
Benthic invertebrates sourced
Social behaviour
Schooling 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
Highly protrusible mouth for sucking prey from the bottom; dark blotch on the dorsal fin. sourced

For anglers

Edibility
Rarely 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 Eucinostomus

More from the family Gerreidae

Fin

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