Saltcorner
By Bob Goemans
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Two Little Fishies 

Mulloidichthys

Mulloidichthys martinicus

(Cuvier & Valenciennes, 1829)

Yellow Goatfish

Not Reef Tank Suitable

Likely Fish-Only Tank Suitable

Range: Western Atlantic Ocean: Florida to Gulf of Mexico.

Size: 16 inches (40 cm)

Natural Environment: Inhabits sandy areas in lagoons, reef faces, and fore-reef slopes at depths between 3 - 150 feet (1 – 45 m) in small groups, then venturing out mainly during evening hours to feed on shrimp, crabs, worms, snails, bivalves, and small fishes.

General Husbandry: Rarely ever seen in the trade, and usually more a public aquarium species. Has a streamlined silvery body with a yellow horizontal band, yellow caudal peduncle and yellow tail.

Best maintained in large fish-only aquariums with wide-open swimming and unencumbered substrate areas. As to diet, will learn to take food during the daytime, and will consume a wide variety of frozen and fresh meaty foodstuffs (chopped squid, scallops, fish flesh, shrimp, clam, etc.), including any ornamental crustaceans and small fishes in the aquarium, and should be fed at least several times daily.

Taxonomy:

    Order: Perciformes

    Suborder: Percoidei

    Family: Mullidae

    Genus: Mulloidichthys

FYI: Popular fish in public aquariums.

Will decimate aquarium benthic invertebrate population in a very short period of time.

Can jump out of uncovered aquariums.

May need deworming before being placed in an aquarium.

Basically unsuitable for most hobbyist aquariums.

Experience Level: Intermediate

Temperament: Peaceful

Diet: Carnivore

Coral Safe: Yes

Invertebrate Safe: No

Fish Safe: With caution

Acclimation Time: 30 minutes+

Aquarium Environment: Fish-only aquarium

Tankmates: Peaceful or non-aggressive

Minimum Tank Size: 180 gallons

Temperature Range: 70 - 79°F (21 – 26°C)

Specific Gravity: 1.020 -1.026

pH: 8.0 - 8.5

 Mulloidichthys martinicus (Yellow Goatfish)
Photo © Robert Patzner
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