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Brownspotted grouper (Epinephelus bilobatus) — Serranidae

Brownspotted grouper

Epinephelus bilobatus
Family: Serranidae
LC · Least Concern

The Brownspotted grouper (Epinephelus bilobatus) is a saltwater fish of the family Serranidae that grows up to 33 cm.

Length
33 cm
Water
Saltwater
Depth
4.0–50.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Eastern Indian Ocean
Edibility
Commonly eaten

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Description

The brownspotted grouper is a grouper from the eastern Indian Ocean, along northwestern Australia. The species grows to about 33 cm and has a pale brown body with numerous round, dark-brown spots. As a bottom-dweller it lives on rocky and coral-rich reefs and hunts small fish and crustaceans. Like other groupers it is a protogynous hermaphrodite, starting as a female and later able to change into a male. The fish is harmless to humans and is assessed as Least Concern (LC) by the IUCN.

Frequently asked questions

How do you recognise the Brownspotted grouper?

The Brownspotted grouper has a torpedo-shaped body, is mainly brown and shows a spots pattern. Dark brown blotched; protogynous hermaphrodite

Where does the Brownspotted grouper live?

The Brownspotted grouper lives in the sea (marine waters) and is mostly found around stony or rocky ground. Eastern Indian Ocean

How big does the Brownspotted grouper get?

The Brownspotted grouper grows to a maximum of about 33 cm.

Is the Brownspotted grouper dangerous to humans?

No, the Brownspotted grouper 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 Brownspotted grouper edible?

Yes, the Brownspotted grouper is commonly eaten.

More photos

Brownspotted grouper (Epinephelus bilobatus) — Serranidae — 2
Australian National Fish Collection, CSIRO (CC BY-NC 4.0) via GBIF
Brownspotted grouper (Epinephelus bilobatus) — Serranidae — 3
P.C. Heemstra (CC BY 4.0) via GBIF — SAIAB
Brownspotted grouper (Epinephelus bilobatus) — Serranidae — 4
iNaturalist ((c) S.Lair, some rights reserved (CC BY-NC))
Brownspotted grouper (Epinephelus bilobatus) — Serranidae — 5
iNaturalist ((c) mariodriesen, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Brownspotted grouper verified
Scientific name
Epinephelus bilobatus
Family
Serranidae
Other names
Frostback cod; Frostback rockcod; Twinspot grouper; Brown-spotted rock-cod verified

Appearance

Size class
Medium verified
Max length (cm)
33.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Brown inferred
Pattern
Spots sourced
Tail shape
Straight inferred
Mouth position
Terminal sourced
Lips
Thick / fleshy sourced
Barbels
No sourced
Dorsal fins
One continuous sourced
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
4.0 verified
Max depth (m)
50.0 verified
Natural range
Eastern Indian Ocean verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small fishes and crustaceans inferred
Social behaviour
Solitary sourced
Territorial
Yes sourced
Activity
Diurnal sourced
Reproduction
Protogynous (female first) sourced
Sexual dimorphism
No sourced
Seasonality
Reef-dwelling grouper; protogynous hermaphrodite. sourced
Special features
Dark brown blotched; protogynous hermaphrodite sourced

For anglers

Edibility
Commonly eaten sourced
Fishing method
Bottom fishing at reefs sourced
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 Epinephelus

More from the family Serranidae

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