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Filamentous mojarra (Gerres filamentosus) — Gerreidae

Filamentous mojarra

Gerres filamentosus
Family: Gerreidae
LC · Least Concern

The Filamentous mojarra (Gerres filamentosus) is a fish that lives in both fresh and salt water of the family Gerreidae that grows up to 39 cm.

Length
39 cm
Water
Euryhaline
Depth
1.0–50.0 m
Diet
Carnivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Edibility
Rarely eaten

Description

The whipfin silver-biddy is a silvery coastal fish of the family Gerreidae from the Indian and western Pacific Oceans. The species grows to about 39 cm and has a deep, laterally compressed body, a highly protrusible mouth and an elongate, thread-like front dorsal-fin ray. Adults live over soft, sandy bottoms in coastal waters, while juveniles grow up in brackish mangrove estuaries and sometimes enter fresh water. With its protrusible mouth it digs up small bottom animals. The species is fished locally. It is harmless to humans.

Frequently asked questions

How do you recognise the Filamentous mojarra?

The Filamentous mojarra has a torpedo-shaped body, is mainly silver-grey and shows a spots pattern.

Where does the Filamentous mojarra live?

The Filamentous mojarra lives in both fresh and salt water and is mostly found around sand or mud bottom.

How big does the Filamentous mojarra get?

The Filamentous mojarra grows to a maximum of about 39 cm. On average the species is around 15 cm.

Is the Filamentous mojarra dangerous to humans?

No, the Filamentous mojarra is harmless to humans.

Is the Filamentous mojarra edible?

The Filamentous mojarra is rarely eaten.

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All data

Identification

Dutch name
Draadvin-zilverbaars sourced
English name
Filamentous mojarra verified
Scientific name
Gerres filamentosus
Family
Gerreidae
Other names
Filamentous mojarra; Flagfin mojarra; Long-rayed mojarra; Long-rayed silver biddy verified

Appearance

Size class
Medium verified
Max length (cm)
39.0 verified
Average length (cm)
15.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey inferred
Pattern
Spots 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
Euryhaline sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
1.0 verified
Max depth (m)
50.0 verified
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Social behaviour
Small groups inferred
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
levensduur_max_jaar
8.0 sourced

For anglers

Edibility
Rarely eaten sourced
Fishing method
Bodemvissen met natuurlijk aas (worm, garnaal of vis) op of vlak boven de bodem. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced

Status & sources

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

Same genus Gerres

More from the family Gerreidae

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