Saltcorner
By Bob Goemans
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Choerodon

Choerodon fasciatus

(Gunther, 1867)

Harlequin Tuskfish

Likely Reef Tank Suitable

Likely Fish-Only Tank Suitable

Range: Indo-West Pacific Ocean: Southern Japan south to Taiwan, New Caledonia, and Queensland Australia.

Size: 12 inches (30 cm)

Natural Environment: Inhabits seaward reefs and usually found at depths between 15 – 100 feet (5– 30 m) where it feeds on benthic hard-shelled invertebrate.

General Husbandry: Occasionally seen in the trade and an attractive species having a white body with numerous orange vertical bands edged in blue from the snout to the aft body, with the caudal peduncle bluish-black, and having bright blue teeth/tusks.

Even though it’s somewhat possible to maintain in a reef aquarium, its best maintained in large fish-only aquariums having many rocky hiding places and lots of open swimming area.

As to diet, products such as marine fish and crustacean flesh, clams, and other marine meaty foods should make up the majority of their diet and be enriched and chopped into fine pieces and fed twice daily.

May be difficult to feed in the early days in the aquarium, as it’s often shy when first introduced into the aquarium. If so, (if small live marine fish are not available) live glass/grass shrimp, small crabs, e.g., fiddler crabs and/or live guppies/mollies may be needed to sustain the fish. Will become bolder as it ages.

Taxonomy:

    Order: Perciformes

    Suborder: Labroidei

    Family: Labridae

    Genus: Choerodon

FYI: May eat smaller fishes, snails, tubeworms, ornamental shrimps, crabs, brittle stars, sea stars and urchins.

May spit a jet of water at the surface. It’s not known why they do this.

Usually sleep in caves and crevices.

Hardy species. One per aquarium

May disturb sandbeds by using its pectoral fins to excavate depressions in the sand to find buried prey.

Experience Level: Intermediate

Temperament: Semi-aggressive

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: Moderately aggressive

Minimum Tank Size: 100 gallons

Temperature Range: 72 - 82°F (22 – 27°C)

Specific Gravity: 1.020 - 1.026

pH: 8.0 - 8.5

 Choerodon fasciatus (Harlequin Tuskfish)
Photo © John Randall
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