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Perch (Kyphosus azureus) — Kyphosidae

Perch

Kyphosus azureus
Family: Kyphosidae
LC · Least Concern

The Perch (Kyphosus azureus) is a saltwater fish of the family Kyphosidae that grows up to 45 cm.

Length
45 cm
Water
Saltwater
Depth
0–8 m
Diet
Herbivore
Behaviour
Small groups
Body shape
Flat / disc-shaped
Substrate
Mixed bottom
Danger
Harmless
Range
Eastern Pacific; shallow rocky reefs with algal growth.
Edibility
Rarely eaten

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Description

The zebraperch is a sea chub (Kyphosidae) from the eastern Pacific. The species has a deep, oval body with blue-grey to bronze tints and narrow vertical stripes. It inhabits shallow inshore areas to about 8 m deep, on rocky reefs and reef flats with algal growth. It is exclusively herbivorous and grazes seaweeds and algae from the rocks with its mouth; a long gut with fermenting bacteria aids digestion. It often occurs in groups. The species is harmless to humans.

Frequently asked questions

How do you recognise the Perch?

The Perch has a flattened, disc-shaped body, is mainly blue and shows a vertical stripes pattern. Exclusively plant-eating with a fermenting gut flora; grazes algae from rocks.

Where does the Perch live?

The Perch lives in the sea (marine waters) and is mostly found around mixed bottom. Eastern Pacific; shallow rocky reefs with algal growth.

How big does the Perch get?

The Perch grows to a maximum of about 45 cm.

Is the Perch dangerous to humans?

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

Is the Perch edible?

The Perch is rarely eaten.

More photos

Perch (Kyphosus azureus) — Kyphosidae — 2
iNaturalist ((c) Jacob, some rights reserved (CC BY-NC))
Perch (Kyphosus azureus) — Kyphosidae — 3
iNaturalist ((c) Eric Johnson, some rights reserved (CC BY))
Perch (Kyphosus azureus) — Kyphosidae — 4
iNaturalist ((c) californiafishlover, some rights reserved (CC BY-NC))
Perch (Kyphosus azureus) — Kyphosidae — 5
iNaturalist ((c) Wesley, some rights reserved (CC BY-NC))

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All data

Identification

English name
Perch verified
Scientific name
Kyphosus azureus
Family
Kyphosidae
Other names
Zebra perch; Zebraperch; Zebra-perch sea chub verified

Appearance

Size class
Large verified
Max length (cm)
45 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Blue
Pattern
Vertical bars
Tail shape
Forked
Mouth position
Terminal
Lips
Thick / fleshy
Barbels
No sourced
Dorsal fins
One continuous
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Mixed bottom sourced
Min depth (m)
0 verified
Max depth (m)
8 verified
Natural range
Eastern Pacific; shallow rocky reefs with algal growth.
Origin
Native sourced

Behaviour & biology

Diet
Herbivore sourced
Diet (detail)
Seaweeds and algae from the rocks sourced
Social behaviour
Small groups
Territorial
No
Reproduction
Separate sexes sourced
Sexual dimorphism
No
Seasonality
Present year-round in its habitat; no pronounced seasonality known.
Special features
Exclusively plant-eating with a fermenting gut flora; grazes algae from rocks. sourced

For anglers

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

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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