Home · Gobiidae · Frayedfin goby
Frayedfin goby (Bathygobius krefftii) — Gobiidae

Frayedfin goby

Bathygobius krefftii
Family: Gobiidae

The Frayedfin goby (Bathygobius krefftii) is a brackish-water fish of the family Gobiidae that grows up to 12 cm.

Length
12 cm
Water
Brackish
Diet
Carnivore
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless

Description

The frayedfin goby is a small goby (Gobiidae) from coastal and brackish water of eastern Australia. The species grows to about 12 cm and has a stocky, brown-speckled body with somewhat frayed-looking pectoral rays. As a bottom-dweller it lives in tide pools, estuaries and mangroves and snaps at small crustaceans, worms and algae. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Frayedfin goby?

The Frayedfin goby has an elongate, eel-like body, is mainly brown and shows a spots pattern.

Where does the Frayedfin goby live?

The Frayedfin goby lives in brackish water and is mostly found around sand or mud bottom.

How big does the Frayedfin goby get?

The Frayedfin goby grows to a maximum of about 12 cm.

Is the Frayedfin goby dangerous to humans?

No, the Frayedfin goby is harmless to humans.

Download Fin's Fish Guide

Identify fish in seconds, log your catches and dives. Join the TestFlight beta.

Get the beta →

All data

Identification

Dutch name
Rafelvin-grondel sourced
English name
Frayedfin goby sourced
Scientific name
Bathygobius krefftii
Family
Gobiidae
Other names
Freyed-fin goby; Krefft's frillgoby; Krefft's goby; Mottled goby verified

Appearance

Size class
Small verified
Max length (cm)
12.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown sourced
Pattern
Spots sourced
Tail shape
Rounded inferred

Habitat & distribution

Water type
Brackish sourced
Substrate
Sand / mud bottom sourced
Origin
Native inferred

Behaviour & biology

Diet
Carnivore inferred
Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred

For anglers

Fishing method
Klein van stuk en nauwelijks een hengelsportdoel; wordt vooral incidenteel of als aasvis gevangen. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified

Status & sources

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

Same genus Bathygobius

More from the family Gobiidae

Download Fin's Fish Guide

Identify fish in seconds, log your catches and dives. Join the TestFlight beta.

Get the beta →