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Mottled cardinalfish (Fowleria vaiulae) — Apogonidae

Mottled cardinalfish

Fowleria vaiulae
Family: Apogonidae

The Mottled cardinalfish (Fowleria vaiulae) is a saltwater fish of the family Apogonidae that grows up to 5 cm.

Length
5 cm
Water
Saltwater
Depth
3–25 m
Diet
Carnivore
Activity
Nocturnal
Body shape
Flat / disc-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Asia: Australia, Bahrain, Solomon Is., Taiwan/Ch Taipei, Christmas I., French Polynesia and others

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Description

The mottled cardinalfish is a small cardinalfish (Apogonidae) from shallow reef water of the Indo-West Pacific. The species grows to about 6 cm and has a stocky, brown-mottled body with large eyes and often an eyespot behind the gill cover. As a nocturnal fish it shelters by day among coral rubble, sponges and in crevices and hunts small crustaceans by night. The male broods the eggs in his mouth. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Mottled cardinalfish?

The Mottled cardinalfish has a flattened, disc-shaped body, is mainly brown and shows a marbled pattern.

Where does the Mottled cardinalfish live?

The Mottled cardinalfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Asia: Australia, Bahrain, Solomon Is., Taiwan/Ch Taipei, Christmas I., French Polynesia and others

How big does the Mottled cardinalfish get?

The Mottled cardinalfish grows to a maximum of about 5 cm.

Is the Mottled cardinalfish dangerous to humans?

No, the Mottled cardinalfish is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

More photos

Mottled cardinalfish (Fowleria vaiulae) — Apogonidae — 2
Williams, Jeffrey T. (CC0 1.0) via GBIF — USNM
Mottled cardinalfish (Fowleria vaiulae) — Apogonidae — 3
iNaturalist ((c) Ivan Samra, some rights reserved (CC BY-NC))
Mottled cardinalfish (Fowleria vaiulae) — Apogonidae — 4
iNaturalist ((c) Febrianne S, some rights reserved (CC BY-NC))
Mottled cardinalfish (Fowleria vaiulae) — Apogonidae — 5
iNaturalist ((c) uwkwaj, some rights reserved (CC BY-NC))

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All data

Identification

English name
Mottled cardinalfish sourced
Scientific name
Fowleria vaiulae
Family
Apogonidae
Other names
Dwarf cardinalfish; Mottled cardinalfish verified

Appearance

Size class
Small verified
Max length (cm)
5 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Brown sourced
Pattern
Marbled sourced
Tail shape
Rounded

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
3 verified
Max depth (m)
25 verified
Natural range
Asia: Australia, Bahrain, Solomon Is., Taiwan/Ch Taipei, Christmas I., French Polynesia and others sourced
Origin
Native

Behaviour & biology

Diet
Carnivore
Diet (detail)
Small fishes, crustaceans and invertebrates
Territorial
No
Activity
Nocturnal sourced
Reproduction
Separate sexes
Sexual dimorphism
No
Seasonality
Present year-round in its habitat; no pronounced seasonality known.

For anglers

Fishing method
Small in size and barely an angling target; mostly caught incidentally or as baitfish.
Regulations source

Safety

Danger to humans
Harmless verified
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

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

Same genus Fowleria

More from the family Apogonidae

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