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California clingfish (Gobiesox rhessodon) — Gobiesocidae

California clingfish

Gobiesox rhessodon
Family: Gobiesocidae
LC · Least Concern

The California clingfish (Gobiesox rhessodon) is a saltwater fish of the family Gobiesocidae that grows up to 6 cm.

Length
6.4 cm
Water
Saltwater
Depth
0.0–11.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
Eastern Pacific
Edibility
Not eaten

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Description

The California clingfish is a small clingfish from the eastern Pacific, from central California to Baja California. It grows to about 6 cm and has a tadpole-like body with a ventral sucker disc with which it clings to rocks in the surf. It lives in the intertidal zone and shallow subtidal water to about 11 metres depth. The eggs are laid under stones and guarded by a parent; the species can breathe air for a time. The fish is harmless to humans and is assessed as Least Concern (LC) by the IUCN.

Frequently asked questions

How do you recognise the California clingfish?

The California clingfish has an elongate, eel-like body, is mainly brown and shows a plain pattern. Sucker disc to attach itself to rocks; protects the clutch under stones

Where does the California clingfish live?

The California clingfish lives in the sea (marine waters) and is mostly found around sand or mud bottom. Eastern Pacific

How big does the California clingfish get?

The California clingfish grows to a maximum of about 6 cm.

Is the California clingfish dangerous to humans?

No, the California clingfish 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 California clingfish edible?

The California clingfish is not usually eaten.

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All data

Identification

English name
California clingfish verified
Scientific name
Gobiesox rhessodon
Family
Gobiesocidae

Appearance

Size class
Small verified
Max length (cm)
6.4 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown inferred
Pattern
Plain inferred
Tail shape
Rounded inferred
Mouth position
Terminal sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
One continuous sourced
Dorsal spines
No sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
0.0 verified
Max depth (m)
11.0 verified
Natural range
Eastern Pacific verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small crustaceans and invertebrates inferred
Social behaviour
Solitary inferred
Territorial
Yes inferred
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
Seasonality
Tidal dweller; a parent guards the clutch. sourced
Special features
Sucker disc to attach itself to rocks; protects the clutch under stones sourced

For anglers

Edibility
Not eaten sourced
Fishing method
Not a target species for angling; at most an incidental catch or usable as baitfish. 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 Gobiesox

More from the family Gobiesocidae

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