Saltcorner
By Bob Goemans
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Apogon

Apogon kallopterus

(Bleeker, 1856)

Iridescent Cardinalfish

Likely Reef Tank Suitable

Likely Fish-Only Tank Suitable

Range: Indo-West Pacific Ocean: Red Sea south to South Africa, eastward to the Line, Marquesan, and Pitcairn Islands, north to Southern Japan, and south to Hawaiian Islands and New Zealand.

Size: 6 inches (15 cm)

Natural Environment: Inhabits lagoon patch reefs and seaward reefs. Usually found at depths between 10 – 500 feet (3 – 150 m) where it feeds on small fishes and crustaceans during evening hours.

General Husbandry: Occasionally seen in the trade and this very hardy species has a rosy body with its scales darkly edged and a dark spot on the upper caudal peduncle.

Best maintained fish-only aquariums with subdued lighting, yet can also be maintained in reef aquariums, with both having several rocky caves/hiding areas. If maintained with moderately aggressive tankmates, will remain in hiding during daylight hours and may not get its fair share of the food when the aquarium is fed. If maintained with peaceful tankmates, will spend a good portion of its time in the aquarium open areas.

As to diet, products such as marine fish and crustacean flesh, clams, and other marine meaty foods should be enriched and finely chopped and fed several times daily. Depending upon the environment in which its maintained, the best time of the day to feed are early morning and evening hours.

Taxonomy:

    Order: Perciformes

    Suborder: Percoidei

    Family: Apogonidae

    Subfamily: Apogoninae

    Genus: Apogon/Pristiapogon

FYI: One specimen per aquarium.

A threat to small tankmates, shrimp, and small worms/feather dusters.

Often shows up in the trade as an Apogon species, but can be technically found also listed as: Pristiapogon kallopterus.

Rosy coloration is basically at night only.

    Experience Level: Beginner

    Temperament: Peaceful

    Diet: Carnivore

    Coral Safe: Yes

    Fish Safe: With caution

    Invertebrate Safe: With caution

    Acclimation Time: 30 minutes+

    Aquarium Environment: Reef or fish-only aquarium

    Tankmates: Peaceful

    Minimum Tank Size: 30+ gallons

    Temperature Range: 72 - 82°F (22 – 28°C)

    Specific Gravity: 1.020 - 1.026

    pH: 8.0 - 8.5

 Apogon kallopterus (Iridescent Cardinalfish)
Photo © David Cook
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RedSea