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The ghost moray is one of the smallest and shyest morays in the hobby — barely 12" at adult size and rarely visible during daylight. Pale gray-white body that gives the species its common name. Suitable for nano reef setups with appropriate substrate and cover, but most keepers report seeing the eel only at feeding time or under blue moonlight.
Native range: Indo-Pacific. The ghost moray is a member of the Moray (Muraenidae) family. Most specimens in the US trade are wild-caught from collection points in their native range and shipped through Indo-Pacific or Atlantic marine wholesalers. Wild-caught morays often arrive with internal parasites and shipping stress — a 4-week quarantine in a separate system with prazi and metronidazole prophylaxis is the standard reef-keeper protocol before display introduction.
Tank size: 40 gallons is the practical minimum for a single adult. Substrate should be marine sand 2-4 inches deep — fine grain to prevent abrasion. Hardscape should provide multiple cave structures, PVC pipe segments, and overhangs that allow the eel to choose its preferred resting position. Lighting can be standard reef LED; morays do not require special light spectrum. Filtration should be oversized — morays are messy eaters and produce significant nitrogenous waste. A skimmer rated for at least 1.5x the actual tank volume is the standard for moray-housing FOWLR systems.
The lid is non-negotiable. Morays are exceptionally strong jumpers and escape artists. A 1cm gap is enough for an adult specimen to find and exploit. Hood-style covers work; rimless tanks need custom acrylic or glass cut to seal completely.
Primary diet: Frozen mysis, brine, finely chopped seafood. Morays are obligate carnivores. Feed 2-3 times per week for adults, daily for juveniles. Use feeding tongs rather than dropping food — morays learn to associate tong tips with food and develop reliable feeding responses within 1-2 weeks. Variety matters: rotate between silversides, krill, squid, chopped scallop, and occasional whole shrimp for nutritional completeness. Avoid feeder goldfish — they carry thiaminase that destroys vitamin B1 and leads to long-term neurological problems.
Safe: Most reef fish 1.5"+: dwarf gobies, clownfish, wrasses, dwarf angels, larger shrimp..
Avoid: Very small fish, very small inverts, aggressive species that would stress the shy eel..
Not bred in captivity.
Low visibility (normal for the species); refusal of food in busy community tanks; jumping.
Yes — body coloration ranges from pale gray to nearly white with subtle darker mottling.
At feeding time and under blue moonlight. Daytime sightings are rare; the species spends most daylight hours fully hidden.
Generally no — even peaceful morays compete for cave space in small tanks. Single specimens are best.
40 gallons. Less than that compromises territory and feeding.
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