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Bigtooth corvina (Isopisthus parvipinnis) — Sciaenidae

Bigtooth corvina

Isopisthus parvipinnis
Family: Sciaenidae
LC · Least Concern

The Bigtooth corvina (Isopisthus parvipinnis) is a brackish-water fish of the family Sciaenidae that grows up to 42 cm.

Length
41.5 cm
Water
Brackish
Depth
1.0–45.0 m
Diet
Carnivore
Behaviour
Schooling
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Edibility
Rarely eaten

Description

Isopisthus parvipinnis, the bigtooth corvina, is a drum of the family Sciaenidae from coastal waters of eastern South America. The species has a streamlined, silvery body with conspicuous, enlarged canine teeth in the mouth and reaches about 42 cm. It lives in shallow coastal waters over sandy-mud or soft mud bottoms. The diet consists mainly of small shrimps. The species is an important food fish that is fished commercially in places. Like other drums it can produce drumming sounds with its swim bladder.

Frequently asked questions

How do you recognise the Bigtooth corvina?

The Bigtooth corvina has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern.

Where does the Bigtooth corvina live?

The Bigtooth corvina lives in brackish water and is mostly found around sand or mud bottom.

How big does the Bigtooth corvina get?

The Bigtooth corvina grows to a maximum of about 42 cm. On average the species is around 20 cm.

Is the Bigtooth corvina dangerous to humans?

No, the Bigtooth corvina is harmless to humans.

Is the Bigtooth corvina edible?

The Bigtooth corvina is rarely eaten.

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All data

Identification

Dutch name
Grottand-ombervis sourced
English name
Bigtooth corvina verified
Scientific name
Isopisthus parvipinnis
Family
Sciaenidae
Other names
Bigtooth corvina; Corvina; Croaker; Shortfin corvina verified

Appearance

Size class
Large verified
Max length (cm)
41.5 verified
Average length (cm)
20.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey inferred
Pattern
Plain inferred
Tail shape
Straight inferred
Mouth position
Terminal inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
1.0 verified
Max depth (m)
45.0 verified
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Social behaviour
Schooling inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred

For anglers

Edibility
Rarely eaten sourced
Fishing method
Bodemvissen met natuurlijk aas (worm, garnaal of vis) op of vlak boven de bodem. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced

Status & sources

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

Same genus Isopisthus

More from the family Sciaenidae

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