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Dow's mojarra (Eucinostomus dowii) — Gerreidae

Dow's mojarra

Eucinostomus dowii
Family: Gerreidae
LC · Least Concern

The Dow's mojarra (Eucinostomus dowii) is a brackish-water fish of the family Gerreidae that grows up to 20 cm.

Length
20 cm
Water
Brackish
Diet
Carnivore
Behaviour
Small groups
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
Eastern Pacific; shallow coastal waters and estuaries over sand and mud bottoms.
Edibility
Rarely eaten

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Description

Dow's mojarra is a fish of the mojarra family (Gerreidae) from the eastern Pacific. The species grows to about 20 cm and has a silvery, laterally compressed body with a highly protrusible mouth that can be extended downward like a tube. It inhabits shallow coastal waters, including estuaries, usually over sand and mud bottoms. With its protrusible mouth it roots in the bottom for small invertebrates, worms and crustaceans. The species is a local food and bait fish and is harmless to humans.

Frequently asked questions

How do you recognise the Dow's mojarra?

The Dow's mojarra has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Highly protrusible tube-shaped mouth for rooting for prey in sandy and muddy bottoms.

Where does the Dow's mojarra live?

The Dow's mojarra lives in brackish water and is mostly found around sand or mud bottom. Eastern Pacific; shallow coastal waters and estuaries over sand and mud bottoms.

How big does the Dow's mojarra get?

The Dow's mojarra grows to a maximum of about 20 cm. On average the species is around 12 cm.

Is the Dow's mojarra dangerous to humans?

No, the Dow's mojarra is harmless to humans. None required: this species is harmless to humans.

Is the Dow's mojarra edible?

The Dow's mojarra is rarely eaten.

More photos

Dow's mojarra (Eucinostomus dowii) — Gerreidae — 2
iNaturalist ((c) Vince Golder, some rights reserved (CC BY-NC))
Dow's mojarra (Eucinostomus dowii) — Gerreidae — 3
iNaturalist ((c) Guillermo Joaquin Martinez Mendoza, some rights reserved (CC BY-NC))
Dow's mojarra (Eucinostomus dowii) — Gerreidae — 4
iNaturalist ((c) John G. Phillips, some rights reserved (CC BY))
Dow's mojarra (Eucinostomus dowii) — Gerreidae — 5
iNaturalist ((c) Sheldon Logan, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Dow's mojarra verified
Scientific name
Eucinostomus dowii
Family
Gerreidae
Other names
Dow's mojarra; Pacific spotfin mojarra; Silver mojarra verified

Appearance

Size class
Medium verified
Max length (cm)
20.0 verified
Average length (cm)
12.0 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
Eastern Pacific; shallow coastal waters and estuaries over sand and mud bottoms. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small invertebrates, worms and crustaceans sourced
Social behaviour
Small groups 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 tube-shaped mouth for rooting for prey in sandy and muddy bottoms. 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
None required: this species is harmless to humans. sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Eucinostomus

More from the family Gerreidae

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