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Blue-bronze sea chub (Kyphosus analogus) — Kyphosidae

Blue-bronze sea chub

Kyphosus analogus
Family: Kyphosidae

The Blue-bronze sea chub (Kyphosus analogus) is a fish of the family Kyphosidae that grows up to 45 cm.

Length
45 cm
Diet
Herbivore
Behaviour
Large groups
Body shape
Torpedo-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Eastern Pacific; rocky reefs in shallow water.
Edibility
Commonly eaten

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Description

The blue-bronze sea chub is a sea chub (Kyphosidae) from the eastern Pacific. The species has an oval, laterally compressed, grey to blue-bronze body with a small mouth. It lives in schools above rocky reefs in shallow water. As a mainly herbivorous fish it grazes brown and green algae from the rocks, supplemented with small invertebrates. It is a food fish. The species is harmless to humans.

Frequently asked questions

How do you recognise the Blue-bronze sea chub?

The Blue-bronze sea chub has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Grey to blue-bronze body; schooling algae grazer of rocky reefs.

Where does the Blue-bronze sea chub live?

The Blue-bronze sea chub is mostly found around stony or rocky ground. Eastern Pacific; rocky reefs in shallow water.

How big does the Blue-bronze sea chub get?

The Blue-bronze sea chub grows to a maximum of about 45 cm. On average the species is around 32 cm.

Is the Blue-bronze sea chub dangerous to humans?

No, the Blue-bronze sea chub is harmless to humans. None required: this species is harmless to humans.

Is the Blue-bronze sea chub edible?

Yes, the Blue-bronze sea chub is commonly eaten.

More photos

Blue-bronze sea chub (Kyphosus analogus) — Kyphosidae — 2
iNaturalist ((c) Austin D West, some rights reserved (CC BY-NC))
Blue-bronze sea chub (Kyphosus analogus) — Kyphosidae — 3
Steen W. Knudsen (CC0 1.0) via GBIF — NHMUK
Blue-bronze sea chub (Kyphosus analogus) — Kyphosidae — 4
iNaturalist ((c) R.E.Llanos, some rights reserved (CC BY-NC-SA))
Blue-bronze sea chub (Kyphosus analogus) — Kyphosidae — 5
iNaturalist ((c) Ismael Orozco Salinas, some rights reserved (CC BY-NC))
Fin

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All data

Identification

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

Appearance

Size class
Large verified
Max length (cm)
45.0 verified
Average length (cm)
32.0 sourced
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey inferred
Pattern
Plain 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

Substrate
Stone or rock sourced
Natural range
Eastern Pacific; rocky reefs in shallow water. inferred
Origin
Native sourced

Behaviour & biology

Diet
Herbivore sourced
Diet (detail)
Brown and green seaweeds, supplemented with small invertebrates 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
Grey to blue-bronze body; schooling algae grazer of rocky reefs. 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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