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Ground croaker (Bairdiella ronchus) — Sciaenidae

Ground croaker

Bairdiella ronchus
Family: Sciaenidae
LC · Least Concern

The Ground croaker (Bairdiella ronchus) is a brackish-water fish of the family Sciaenidae that grows up to 35 cm.

Length
35 cm
Water
Brackish
Depth
16.0–40.0 m
Diet
Carnivore
Behaviour
Small groups
Body shape
Flat / disc-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
Western Atlantic and Caribbean; coastal waters and brackish estuaries.
Edibility
Commonly eaten

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Description

The ground croaker is a drum of the family Sciaenidae from the western Atlantic and Caribbean. The species grows to about 35 cm and has a streamlined, silvery body with fine oblique lines and yellowish fins. It occurs in coastal waters over mud and sand bottoms and enters brackish estuaries. As a bottom predator it feeds on small fishes, shrimps and other crustaceans. Drums can make a drumming or croaking sound with their swim bladder. The ground croaker is a local food fish and is harmless to humans.

Frequently asked questions

How do you recognise the Ground croaker?

The Ground croaker has a flattened, disc-shaped body, is mainly silver-grey and shows a horizontal stripes pattern. Fine oblique lines; makes a drumming sound with its swim bladder, enters brackish estuaries.

Where does the Ground croaker live?

The Ground croaker lives in brackish water and is mostly found around sand or mud bottom. Western Atlantic and Caribbean; coastal waters and brackish estuaries.

How big does the Ground croaker get?

The Ground croaker grows to a maximum of about 35 cm. On average the species is around 25 cm.

Is the Ground croaker dangerous to humans?

No, the Ground croaker is harmless to humans. None required: this species is harmless to humans.

Is the Ground croaker edible?

Yes, the Ground croaker is commonly eaten.

More photos

Ground croaker (Bairdiella ronchus) — Sciaenidae — 2
iNaturalist ((c) fins_and_fur, some rights reserved (CC BY-NC))
Ground croaker (Bairdiella ronchus) — Sciaenidae — 3
iNaturalist ((c) David Aragonés Borrego, some rights reserved (CC BY-NC))
Ground croaker (Bairdiella ronchus) — Sciaenidae — 4
iNaturalist ((c) IHUNTA, some rights reserved (CC BY-NC))
Ground croaker (Bairdiella ronchus) — Sciaenidae — 5
iNaturalist ((c) Roxana Amarilis Sosa Muñoz, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Ground croaker verified
Scientific name
Bairdiella ronchus
Family
Sciaenidae
Other names
Ground Croaker; Ground croaker; Ground drummer verified

Appearance

Size class
Medium verified
Max length (cm)
35.0 verified
Average length (cm)
25.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Silver / grey inferred
Pattern
Horizontal stripes inferred
Tail shape
Straight inferred
Mouth position
Terminal inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
16.0 verified
Max depth (m)
40.0 verified
Natural range
Western Atlantic and Caribbean; coastal waters and brackish estuaries. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small fishes, shrimps and other crustaceans sourced
Social behaviour
Small groups inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Fine oblique lines; makes a drumming sound with its swim bladder, enters brackish estuaries. sourced

For anglers

Edibility
Commonly eaten sourced
Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. inferred
Regulations source
FishBase ↗ inferred

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 Bairdiella

More from the family Sciaenidae

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