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Rifle cardinalfish (Apogon kiensis)

Photo of Rifle cardinalfish (Apogon kiensis)

Key facts

Scientific name
Apogon kiensis
Common name
Rifle cardinalfish
Category
Fish
Family
Apogonidae
Genus
Apogon
Size
6–9 cm
Depth
3–25 m
IUCN status
Least concern (LC)
Danger level
Harmless
Habitats
coral-reef
Behaviours
schooling, nocturnal
Ocean zones
Asian Pacific, Indian Ocean & Red Sea

Description

Apogon kiensis reaches 9 cm. Small Indo-Pacific cardinalfish (Apogonidae) with pink-white body with 2-3 thin longitudinal brown-black lines on flanks. Lives in schools from 3 to 25 m in caves, overhangs and under coralligenous of central and western Indo-Pacific. Nocturnal, gathers in shade by day, comes out at night to hunt zooplankton. Mouth brooding by male like all Apogonidae. Discreet macro photo subject of cave dives.

Photo of Rifle cardinalfish

Photo of Rifle cardinalfish (Apogon kiensis)Photo of Rifle cardinalfish (Apogon kiensis)Photo of Rifle cardinalfish (Apogon kiensis)

Frequently asked questions

How big is the Rifle cardinalfish?
Rifle cardinalfish (Apogon kiensis) reaches 6–9 cm in length.
At what depth can you find the Rifle cardinalfish?
Rifle cardinalfish is found between 3–25 m deep.
Is the Rifle cardinalfish dangerous to divers?
Danger level: Harmless.
What is the conservation status of the Rifle cardinalfish?
IUCN status: Least concern (LC).
Where can you find the Rifle cardinalfish?
Found in: Asian Pacific, Indian Ocean & Red Sea.

Other species in the genus Apogon

  • Apogon imberbis - Cardinal fish
  • Apogon binotatus - Bigeye Cardinalfish
  • Apogon townsendi - Townsend's Cardinalfish
  • Apogon ocellatus - Ocellated Cardinalfish
  • Apogon nigrofasciatus - Blackstriped Cardinalfish

Other species in the family Apogonidae

  • Pterapogon kauderni - Banggai cardinalfish
  • Sphaeramia nematoptera - Pajama cardinalfish
  • Zoramia leptacantha - Threadfin cardinalfish
  • Ostorhinchus cyanosoma - Yellowstriped cardinalfish
  • Ostorhinchus compressus - Ochre-striped cardinalfish
  • Apogonichthyoides melas - Black cardinalfish

Sources

  • Taxonomy: WoRMS (AphiaID 209332)
  • Photos: iNaturalist (CC BY-NC)
  • Distribution: GBIF (taxonKey 5211634)
  • Conservation: IUCN Red List
  • Encyclopedia: Wikipedia