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By Bob Goemans
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Apolemichthys

Apolemichthys xanthotis

(Fraser-Brunner, 1950)

Red Sea Angelfish, Yellowear Angelfish

Not Reef Tank Suitable

Likely Fish-Only Tank Suitable

Range: Western Indian Ocean: Gulf of Aden, Oman, and Arabian Gulf.

Size: 6 inches (15 cm)

Natural Environment: Inhabits reef slopes and reef faces at depths between 15 – 100 feet (5 – 30 m) and is generally found in areas having rich stony and soft coral growth where it feeds on algae, sponges, and various crustaceans.

General Husbandry: This beautiful angelfish, one of the more social and hardy species in this genus has a white body, black face, yellowtail, and its dorsal and anal fins are black and edged in white.

As with all species in this genus, it should first be introduced into a well-established fish-only aquarium with lots of live rock and caves, and should be offered several daily feedings so as to quickly acclimate it to its surroundings. As to diet, it should consist of a wide variety of frozen foods including fortified brine shrimp, mysis, and especially those containing sponge matter/angelfish food preparations along with flake foods, especially those containing Spirulina once or twice a day after acclimated to its surroundings.

Depending upon its tankmates, it can be quite shy when first entering the aquarium, and may hide in caves and crevices. But as time passes, will become more outgoing and begin to establish its territory, yet those in this genus are almost always very good tankmates and considered one of the least aggressive in the overall family.

This species is generally thought of as one of the easiest in this genus to acclimate and maintain!

Taxonomy:

    Order: Perciformes

    Suborder: Percoidei

    Family: Pomacanthidae

    Genus: Apolemichthys

FYI: Keeping more than one genus of angelfishes in the same aquarium is possible, yet depends upon several aspects. The following suggested circumstances are just that, possibilities that when heeded and adjusted to actual aquarium conditions ‘may’ make multiple angelfish collections feasible.

Aquarium size – the larger the better.

Other species from the same genus should not be in the same aquarium.

The smallest and most docile genus species should be the first introduced with the largest and most malicious the last to be added.

Do not place similar coloration species in the same aquarium.

Those already in the aquarium should be well fed before adding a newcomer.

Have sufficient hiding places/rocky caves.

Keep in mind all angels have cheekspines at the edge of their gill cover; therefore use caution when handling and also avoid using a net to capture it, as it may become stuck or tangled in the net and become damaged when removed.

Synonym – Holacanthus xanthotis

Experience Level: Intermediate

Temperament: Semi-aggressive

Diet: Omnivore

Acclimation Time: 30 minutes+

Aquarium Environment: Fish-only aquarium

Reef Safe: No - will nip clam mantles, large and small polyped stony (LPS/SPS) corals and some soft corals.

Minimum Tank Size: 100 gallons

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

Specific Gravity: 1.020-1.026

pH: 8.0 - 8.5

 Apolemichthys xanthotis   (Red Sea Angelfish, Yellowear Angelfish)
Photo © Bob Fenner
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