Lookdown (Selene vomer)

Fish in the family Carangidae. Moderate care. Not Reef Safe.

Quick facts

Scientific nameSelene vomer

FamilyCarangidae

Also known asLookdown Fish, Moonfish

Care levelModerate

Reef safetyNot Reef Safe

TemperamentPeaceful

Dietcarnivore

Adult size12 in

Minimum tank size200 gallons

Water parametersTemperature: 70-78°F pH: 8.1-8.3 Salinity: 1.023-1.026

Feeding schedule2-3 times daily

Appearance

Highly compressed, disc-shaped body with a silvery coloration and subtle iridescent blue and green tones on the back. The distinctive steep profile and downturned mouth give the species its "lookdown" common name.

Diet and feeding

In captivity, feed small meaty foods including finely chopped fish, shrimp, and quality marine flakes. Feed 2–3 times daily in small portions; Lookdowns are specialized plankton feeders that may be reluctant to take larger food items and benefit from frequent small meals.

Difficulty and care for the Lookdown

Moderate - Requires very large tank. Best suited for intermediate aquarists with large FOWLR setups.

Common health issues

Marine ich, Fin rot, Swim bladder disorder, Bacterial infections, Parasitic infestations

Origin and habitat

Western Atlantic, from Nova Scotia to Argentina, including the Gulf of Mexico and Caribbean.

Keeper notes

Common in large FOWLR tanks. Requires very large tank due to size and swimming habits. Will eat small fish.

Log Lookdown in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Lookdown alongside everything else in your reef.

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