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Bass seachub (Kyphosus vaigiensis) — Kyphosidae

Bass seachub

Kyphosus vaigiensis
Family: Kyphosidae
LC · Least Concern

The Bass seachub (Kyphosus vaigiensis) is a saltwater fish of the family Kyphosidae that grows up to 70 cm.

Length
70 cm
Water
Saltwater
Depth
0.0–40.0 m
Diet
Herbivore
Behaviour
Large groups
Body shape
Flat / disc-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Indo-West Pacific; surf-washed reef flats.
Edibility
Commonly eaten

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Description

The brassy chub is a sea chub or drummer (Kyphosidae) from the Indo-West Pacific. The species has an oval, silvery-grey body with fine, yellowish-bronze lengthwise stripes and a small mouth. It forms schools over hard, algae-coated bottoms of exposed, surf-swept outer reef flats, lagoons and seaward reefs. As a plant-eating fish it grazes mainly filamentous algae and other seaweed. It is a local food fish. The species is harmless to humans.

Frequently asked questions

How do you recognise the Bass seachub?

The Bass seachub has a flattened, disc-shaped body, is mainly silver-grey and shows a horizontal stripes pattern. Fine yellow-bronze longitudinal lines; shoal-forming algae grazer of surf-swept reef flats.

Where does the Bass seachub live?

The Bass seachub lives in the sea (marine waters) and is mostly found around stony or rocky ground. Indo-West Pacific; surf-washed reef flats.

How big does the Bass seachub get?

The Bass seachub grows to a maximum of about 70 cm. On average the species is around 50 cm.

Is the Bass seachub dangerous to humans?

No, the Bass seachub is harmless to humans. None required: this species is harmless to humans.

Is the Bass seachub edible?

Yes, the Bass seachub is commonly eaten.

More photos

Bass seachub (Kyphosus vaigiensis) — Kyphosidae — 2
iNaturalist ((c) Austin D West, some rights reserved (CC BY-NC))
Bass seachub (Kyphosus vaigiensis) — Kyphosidae — 3
kary (CC BY-NC 4.0) via GBIF — iNaturalist
Bass seachub (Kyphosus vaigiensis) — Kyphosidae — 4
Wikimedia Commons — Izuzuki (CC BY 3.0)
Bass seachub (Kyphosus vaigiensis) — Kyphosidae — 5
Wikimedia Commons — Philippe Bourjon (CC BY-SA 3.0)
Fin

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All data

Identification

English name
Bass seachub verified
Scientific name
Kyphosus vaigiensis
Family
Kyphosidae
Other names
Blue sea chub; Blue-bronze chub; Blue-bronze sea chub; Bluefish; Brassy chub; Long-finned drummer; Lowfin rudderfish; Lowfin chub; Brassy drummer; Brassy rudderfish; Drummer; Drummers verified

Appearance

Size class
Large verified
Max length (cm)
70.0 verified
Average length (cm)
50.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Silver / grey inferred
Pattern
Horizontal stripes inferred
Tail shape
Forked inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
0.0 verified
Max depth (m)
40.0 verified
Natural range
Indo-West Pacific; surf-washed reef flats. inferred
Origin
Native sourced

Behaviour & biology

Diet
Herbivore sourced
Diet (detail)
Mainly filamentous algae and other seaweed sourced
Social behaviour
Large 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 yellow-bronze longitudinal lines; shoal-forming algae grazer of surf-swept reef flats. sourced

For anglers

Edibility
Commonly eaten sourced
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 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 Kyphosus

More from the family Kyphosidae

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