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Weedy cardinalfish (Foa fo) — Apogonidae

Weedy cardinalfish

Foa fo
Family: Apogonidae
LC · Least Concern

The Weedy cardinalfish (Foa fo) is a saltwater fish of the family Apogonidae that grows up to 4 cm.

Length
3.5 cm
Water
Saltwater
Depth
0.0–82.0 m
Diet
Carnivore
Behaviour
Small groups
Activity
Nocturnal
Body shape
Flat / disc-shaped
Substrate
Stone or rock
Danger
Harmless
Edibility
Not eaten

Description

The weedy cardinalfish is a small cardinalfish of the Indo-Pacific, ranging from East Africa and the Red Sea to French Polynesia, north to Japan and south to Australia. The species grows to only about 3.5 cm and has a stocky, brown mottled body with five dark irregular cross-bars and pale spots near the pectoral base and tail. It lives nocturnally in estuaries, coastal bays and on reef flats to about 80 metres depth. Like all cardinalfish the species is a mouthbrooder, with the male incubating the eggs in his mouth. The IUCN assesses the species as Least Concern (LC).

Frequently asked questions

How do you recognise the Weedy cardinalfish?

The Weedy cardinalfish has a flattened, disc-shaped body, is mainly brown and shows a vertical stripes pattern.

Where does the Weedy cardinalfish live?

The Weedy cardinalfish lives in the sea (marine waters) and is mostly found around stony or rocky ground.

How big does the Weedy cardinalfish get?

The Weedy cardinalfish grows to a maximum of about 4 cm.

Is the Weedy cardinalfish dangerous to humans?

No, the Weedy cardinalfish is harmless to humans.

Is the Weedy cardinalfish edible?

The Weedy cardinalfish is not usually eaten.

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All data

Identification

Dutch name
Wier-kardinaalbaars verified
English name
Weedy cardinalfish verified
Scientific name
Foa fo
Family
Apogonidae
Other names
Samoan cardinalfish; Samoan fo; Weedy cardinalfish verified

Appearance

Size class
Small verified
Max length (cm)
3.5 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Brown inferred
Pattern
Vertical bars sourced
Tail shape
Rounded inferred
Mouth position
Terminal sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
Two separate sourced
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
0.0 verified
Max depth (m)
82.0 verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Social behaviour
Small groups inferred
Territorial
No sourced
Activity
Nocturnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced

For anglers

Edibility
Not eaten sourced
Fishing method
Geen doelsoort voor de hengelsport; hooguit incidentele vangst of bruikbaar als aasvisje. 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 Foa

More from the family Apogonidae

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