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Cloudy grouper (Epinephelus erythrurus) — Serranidae

Cloudy grouper

Epinephelus erythrurus
Family: Serranidae

The Cloudy grouper (Epinephelus erythrurus) is a brackish-water fish of the family Serranidae that grows up to 45 cm.

Length
45 cm
Water
Brackish
Depth
1.0–20.0 m
Diet
Carnivore
Body shape
Torpedo-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Asia: Sri Lanka, India, Indonesia, Malaysia, Pakistan, Singapore and others
Edibility
Commonly eaten

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Description

The Cloudy grouper is a grouper (Epinephelidae) from reef water of the Indo-West Pacific. The species grows to about 40 cm and has a robust, brown with a cloudy pattern body with a large mouth. As a bottom-oriented ambush hunter it shelters among rocks and coral and engulfs fish and crustaceans with a sudden suction strike. Like many groupers a female changes sex on loss of the male. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Cloudy grouper?

The Cloudy grouper has a torpedo-shaped body and is mainly brown.

Where does the Cloudy grouper live?

The Cloudy grouper lives in brackish water and is mostly found around stony or rocky ground. Asia: Sri Lanka, India, Indonesia, Malaysia, Pakistan, Singapore and others

How big does the Cloudy grouper get?

The Cloudy grouper grows to a maximum of about 45 cm.

Is the Cloudy grouper dangerous to humans?

No, the Cloudy 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 Cloudy grouper edible?

Yes, the Cloudy grouper is commonly eaten.

More photos

Cloudy grouper (Epinephelus erythrurus) — Serranidae — 2
Jiayuan Lin (CC BY-NC 4.0) via GBIF — iNaturalist
Cloudy grouper (Epinephelus erythrurus) — Serranidae — 3
Wikimedia Commons — Mohammad Moazzam Khan (CC BY 3.0)
Cloudy grouper (Epinephelus erythrurus) — Serranidae — 4
iNaturalist ((c) Marleen Schouten, some rights reserved (CC BY-NC))
Cloudy grouper (Epinephelus erythrurus) — Serranidae — 5
iNaturalist ((c) Ben Costamagna, some rights reserved (CC BY))
Fin

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All data

Identification

English name
Cloudy grouper sourced
Scientific name
Epinephelus erythrurus
Family
Serranidae
Other names
Cloudy grouper; Cloudy rock cod; Grouper verified

Appearance

Size class
Large verified
Max length (cm)
45.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Brown sourced
Tail shape
Rounded inferred

Habitat & distribution

Water type
Brackish sourced
Substrate
Stone or rock sourced
Min depth (m)
1.0 verified
Max depth (m)
20.0 verified
Natural range
Asia: Sri Lanka, India, Indonesia, Malaysia, Pakistan, Singapore and others sourced
Origin
Native inferred

Behaviour & biology

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

For anglers

Edibility
Commonly eaten inferred
Fishing method
Fishing with natural bait (fish, shrimp, worm) or lures close to reef and rock structures. inferred
Regulations source
FishBase ↗ inferred

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 Epinephelus

More from the family Serranidae

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