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Doublespot coralgudgeon (Calumia godeffroyi) — Eleotridae

Doublespot coralgudgeon

Calumia godeffroyi
Family: Eleotridae

The Doublespot coralgudgeon (Calumia godeffroyi) is a saltwater fish of the family Eleotridae that grows up to 4 cm.

Length
3.6 cm
Water
Saltwater
Depth
7–30 m
Diet
Carnivore
Body shape
Elongated (eel-like)
Substrate
Stone or rock
Danger
Harmless
Range
Oceania: Australia, Christmas I., Tahiti, French Polynesia, Guam, Indonesia and others

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Description

The doublespot coralgudgeon is a tiny sleeper goby (Eleotridae) from the western Pacific. The species grows to about 4 cm and has a slender, partly translucent body with a few dark spots. As a cryptic bottom-dweller it shelters in crevices and cavities of coral and rocky reefs and snaps at small zooplankton. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Doublespot coralgudgeon?

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

Where does the Doublespot coralgudgeon live?

The Doublespot coralgudgeon lives in the sea (marine waters) and is mostly found around stony or rocky ground. Oceania: Australia, Christmas I., Tahiti, French Polynesia, Guam, Indonesia and others

How big does the Doublespot coralgudgeon get?

The Doublespot coralgudgeon grows to a maximum of about 4 cm.

Is the Doublespot coralgudgeon dangerous to humans?

No, the Doublespot coralgudgeon 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.

More photos

Doublespot coralgudgeon (Calumia godeffroyi) — Eleotridae — 2
Williams, Jeffrey T. (CC0 1.0) via GBIF — USNM
Doublespot coralgudgeon (Calumia godeffroyi) — Eleotridae — 3
Wikimedia Commons — R. Mintern (Public domain)
Doublespot coralgudgeon (Calumia godeffroyi) — Eleotridae — 4
Richard Winterbottom (CC BY 4.0) via GBIF — SAIAB
Doublespot coralgudgeon (Calumia godeffroyi) — Eleotridae — 5
Williams, Jeffrey T. (CC0 1.0) via GBIF — USNM

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All data

Identification

English name
Doublespot coralgudgeon sourced
Scientific name
Calumia godeffroyi
Family
Eleotridae
Other names
Tail-face calumia; Tailface sleeper verified

Appearance

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

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
7 verified
Max depth (m)
30 verified
Natural range
Oceania: Australia, Christmas I., Tahiti, French Polynesia, Guam, Indonesia and others sourced
Origin
Native

Behaviour & biology

Diet
Carnivore
Diet (detail)
Small fishes, crustaceans and invertebrates
Territorial
No
Reproduction
Separate sexes
Sexual dimorphism
No
Seasonality
Present year-round in its habitat; no pronounced seasonality known.

For anglers

Fishing method
Small in size and barely an angling target; mostly caught incidentally or as baitfish.
Regulations source

Safety

Danger to humans
Harmless verified
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 Calumia

More from the family Eleotridae

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