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Inshore lizardfish (Synodus foetens) — Synodontidae

Inshore lizardfish

Synodus foetens
Family: Synodontidae
LC · Least Concern

The Inshore lizardfish (Synodus foetens) is a fish that lives in both fresh and salt water of the family Synodontidae that grows up to 54 cm.

Length
53.8 cm
Water
Euryhaline
Depth
0.0–200.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
Western Atlantic from the USA to Brazil, over sand and silty bottoms of coastal water and estuaries; tolerates brackish water.
Edibility
Rarely eaten

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Description

The inshore lizardfish is a cigar-shaped bottom fish of the family Synodontidae (lizardfishes) reaching about 54 cm. The flattened, lizard-like head has large eyes on top and a wide mouth full of fine, needle-like teeth; a small adipose fin sits on the back. The species lives over sand and mud bottoms of coastal water and estuaries from the USA to Brazil and tolerates brackish water. It often buries itself up to the eyes in the sand and from there, as an ambush predator, shoots up lightning-fast at passing small fish and crustaceans, seizing them with its toothed mouth. Through its camouflage and sudden lunges it is a formidable bottom predator, though of little fishery value.

Frequently asked questions

How do you recognise the Inshore lizardfish?

The Inshore lizardfish has an elongate, eel-like body, is mainly brown and shows a spots pattern. Cigar-shaped bottom fish with a lizard-like head, a wide mouth full of fine teeth and an adipose fin; buries itself in the sand.

Where does the Inshore lizardfish live?

The Inshore lizardfish lives in both fresh and salt water and is mostly found around sand or mud bottom. Western Atlantic from the USA to Brazil, over sand and silty bottoms of coastal water and estuaries; tolerates brackish water.

How big does the Inshore lizardfish get?

The Inshore lizardfish grows to a maximum of about 54 cm. On average the species is around 30 cm.

Is the Inshore lizardfish dangerous to humans?

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

Is the Inshore lizardfish edible?

The Inshore lizardfish is rarely eaten.

More photos

Inshore lizardfish (Synodus foetens) — Synodontidae — 2
iNaturalist ((c) Quinn, some rights reserved (CC BY))
Inshore lizardfish (Synodus foetens) — Synodontidae — 3
Kenneth Manole (CC BY-NC 4.0) via GBIF — iNaturalist
Inshore lizardfish (Synodus foetens) — Synodontidae — 4
iNaturalist ((c) Eamon Corbett, some rights reserved (CC BY))
Inshore lizardfish (Synodus foetens) — Synodontidae — 5
Wikimedia Commons — Unknown authorUnknown author (Public domain)
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All data

Identification

English name
Inshore lizardfish verified
Scientific name
Synodus foetens
Family
Synodontidae
Other names
Galliwasp; Gallwasp; Inshore lizardfish; Inshore Lizardfish; Soapfish; Lizard; Lizardfish; Lizard-fish; Pudding fish; Sea mat verified

Appearance

Size class
Large verified
Max length (cm)
53.8 verified
Average length (cm)
30.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown sourced
Pattern
Spots sourced
Tail shape
Forked inferred
Mouth position
Terminal inferred
Lips
Thin inferred
Barbels
No verified
Dorsal fins
One continuous sourced
Dorsal spines
No verified

Habitat & distribution

Water type
Euryhaline verified
Substrate
Sand / mud bottom verified
Min depth (m)
0.0 verified
Max depth (m)
200.0 verified
Natural range
Western Atlantic from the USA to Brazil, over sand and silty bottoms of coastal water and estuaries; tolerates brackish water. verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore verified
Diet (detail)
Small fishes and crustaceans, caught from an ambush sourced
Social behaviour
Solitary verified
Territorial
No verified
Activity
Diurnal inferred
Reproduction
Separate sexes verified
Sexual dimorphism
No verified
Seasonality
Burrowing ambush predator; eggs and larvae drift in open water. sourced
Special features
Cigar-shaped bottom fish with a lizard-like head, a wide mouth full of fine teeth and an adipose fin; buries itself in the sand. sourced

For anglers

Edibility
Rarely eaten verified
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 verified
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 Synodus

More from the family Synodontidae

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