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Hairfin dwarfgoby (Eviota prasites) — Gobiidae

Hairfin dwarfgoby

Eviota prasites
Family: Gobiidae
LC · Least Concern

The Hairfin dwarfgoby (Eviota prasites) is a saltwater fish of the family Gobiidae that grows up to 3 cm.

Length
3 cm
Water
Saltwater
Depth
1–30 m
Diet
Carnivore
Behaviour
Small groups
Body shape
Elongated (eel-like)
Substrate
Stone or rock
Danger
Harmless
Range
Western Pacific; rubble of lagoon reefs.
Edibility
Not eaten

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Description

The dwarfgoby is a dwarfgoby (Gobiidae) from the western Pacific. The species is very small and largely translucent with a fine pattern and large eyes. It inhabits the rubble of lagoon reefs and also occurs in various other reef habitats to about fifteen metres depth. It feeds on small zooplankton and small invertebrates. Owing to its tiny size it is a prey fish for larger reef fishes. The species is harmless to humans.

Frequently asked questions

How do you recognise the Hairfin dwarfgoby?

The Hairfin dwarfgoby has an elongate, eel-like body, is mainly brown and shows a spots pattern. Very small, translucent goby of reef rubble; prey fish for larger reef fishes.

Where does the Hairfin dwarfgoby live?

The Hairfin dwarfgoby lives in the sea (marine waters) and is mostly found around stony or rocky ground. Western Pacific; rubble of lagoon reefs.

How big does the Hairfin dwarfgoby get?

The Hairfin dwarfgoby grows to a maximum of about 3 cm.

Is the Hairfin dwarfgoby dangerous to humans?

No, the Hairfin dwarfgoby is harmless to humans. None required: this species is harmless to humans.

Is the Hairfin dwarfgoby edible?

The Hairfin dwarfgoby is not usually eaten.

More photos

Hairfin dwarfgoby (Eviota prasites) — Gobiidae — 2
iNaturalist ((c) Raphael Forns, some rights reserved (CC BY-NC))
Hairfin dwarfgoby (Eviota prasites) — Gobiidae — 3
Wikimedia Commons — Rickard Zerpe (CC BY 2.0)
Hairfin dwarfgoby (Eviota prasites) — Gobiidae — 4
iNaturalist ((c) Mark Rosenstein, some rights reserved (CC BY-NC))
Hairfin dwarfgoby (Eviota prasites) — Gobiidae — 5
iNaturalist ((c) Piotr Lukasik, some rights reserved (CC BY))

Want the complete picture on the Hairfin dwarfgoby?

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All data

Identification

English name
Hairfin dwarfgoby verified
Scientific name
Eviota prasites
Family
Gobiidae
Other names
Hairfin Eviota; Hairfin pygmy goby; Hairfin pygmy-goby; Prasites pygmy goby verified

Appearance

Size class
Small verified
Max length (cm)
3 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown
Pattern
Spots
Tail shape
Rounded
Mouth position
Terminal
Lips
Thick / fleshy
Barbels
No sourced
Dorsal fins
Two separate
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
1 verified
Max depth (m)
30 verified
Natural range
Western Pacific; rubble of lagoon reefs.
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small zooplankton and small invertebrates sourced
Social behaviour
Small groups
Territorial
No
Reproduction
Separate sexes sourced
Sexual dimorphism
No
Seasonality
Present year-round in its habitat; no pronounced seasonality known.
Special features
Very small, translucent goby of reef rubble; prey fish for larger reef fishes. sourced

For anglers

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

Safety

Danger to humans
Harmless sourced
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 Eviota

More from the family Gobiidae

Want the complete picture on the Hairfin dwarfgoby?

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