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Brown dottyback (Pseudochromis fuscus) — Pseudochromidae

Brown dottyback

Pseudochromis fuscus
LC · Least Concern

The Brown dottyback (Pseudochromis fuscus) is a saltwater fish of the family Pseudochromidae that grows up to 10 cm.

Length
10 cm
Water
Saltwater
Depth
2.0–30.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Stone or rock
Danger
Harmless
Range
Indo-Pacific from Sri Lanka to Vanuatu; reef-associated among branching corals.
Edibility
Not eaten

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Description

The brown dottyback (Pseudochromis fuscus) is a small, colour-variable reef fish of the Indo-Pacific, from Sri Lanka to Vanuatu, north to Hong Kong and the Ryukyu Islands and south to Western Australia and the southern Great Barrier Reef. It grows to 10 centimetres and lives reef-associated at 2-30 metres, often among branching corals such as Acropora and Pocillopora. The colour varies widely, from almost blackish brown to bright yellow. It is a solitary, territorial predator with an elongate, compressed body. The species is popular in the marine aquarium trade and is harmless to humans.

Frequently asked questions

How do you recognise the Brown dottyback?

The Brown dottyback has an elongate, eel-like body, is mainly brown and shows a plain pattern. Colour varies greatly from blackish-brown to bright yellow; lives among branching corals and is popular in the marine aquarium trade.

Where does the Brown dottyback live?

The Brown dottyback lives in the sea (marine waters) and is mostly found around stony or rocky ground. Indo-Pacific from Sri Lanka to Vanuatu; reef-associated among branching corals.

How big does the Brown dottyback get?

The Brown dottyback grows to a maximum of about 10 cm.

Is the Brown dottyback dangerous to humans?

No, the Brown dottyback is harmless to humans. None required: this species is harmless to humans.

Is the Brown dottyback edible?

The Brown dottyback is not usually eaten.

More photos

Brown dottyback (Pseudochromis fuscus) — Pseudochromidae — 2
Williams, Jeffrey T. (CC0 1.0) via GBIF — USNM
Brown dottyback (Pseudochromis fuscus) — Pseudochromidae — 3
iNaturalist ((c) Timothy E Myer, some rights reserved (CC BY-NC))
Brown dottyback (Pseudochromis fuscus) — Pseudochromidae — 4
iNaturalist ((c) terence zahner, some rights reserved (CC BY-NC))
Brown dottyback (Pseudochromis fuscus) — Pseudochromidae — 5
iNaturalist ((c) desertnaturalist, some rights reserved (CC BY))
Fin

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All data

Identification

English name
Brown dottyback verified
Scientific name
Pseudochromis fuscus
Family
Pseudochromidae
Other names
Dusky dottyback; Brown pygmy grouper; Golden dottyback verified

Appearance

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

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
2.0 verified
Max depth (m)
30.0 verified
Natural range
Indo-Pacific from Sri Lanka to Vanuatu; reef-associated among branching corals. verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small crustaceans and fish larvae. inferred
Social behaviour
Solitary verified
Territorial
Yes sourced
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Reef fish that deposits sticky eggs which are guarded by the male. inferred
Special features
Colour varies greatly from blackish-brown to bright yellow; lives among branching corals and is popular in the marine aquarium trade. verified

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
None required: this species is harmless to humans. verified

Status & sources

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

Same genus Pseudochromis

More from the family Pseudochromidae

Fin

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