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Scientific name
Gymnothorax miliaris
Family
Moray (Muraenidae)
Adult size
24-30 inches (60-75 cm)
Min tank size
90 gallons
Temperature
74-82°F (23-28°C)
Salinity
1.024-1.026 SG
Temperament
Peaceful for a moray
Difficulty
Intermediate
Lifespan
15-20 years

About the Banana Moray

The banana moray is one of the most beginner-friendly large morays — bright yellow body, peaceful temperament, manageable adult size, and reliable feeding response. Native to the Caribbean and a common collection from Florida + Bahamian wholesalers, making it relatively affordable in US trade. Excellent first moray for keepers moving up from snowflake size.

Native range: Western Atlantic (Caribbean, Bahamas, Florida). The banana 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 requirements and setup

Tank size: 90 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.

Diet and feeding

Primary diet: Frozen silversides, krill, squid, chopped fish. 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.

Compatible tank mates

Safe: Most large reef fish: angels, tangs (smaller species OK), triggers (peaceful varieties), larger wrasses, larger clownfish..

Avoid: Small fish under 2.5", small inverts, very aggressive triggers..

Breeding

Not bred in captivity.

Common problems and solutions

Jumping; rare cohabitation injury; tank outgrowth in undersized systems.

Keeper note: Standard FOWLR moray care. Banana morays are among the most peaceful Gymnothorax and tolerate community FOWLR settings with appropriately-sized tank mates. Feeds within first week typically.

Frequently asked questions

Is the banana moray reef safe?

Yes for corals; no for small fish or small inverts that fit in the mouth.

How aggressive is the banana moray?

Among the most peaceful morays. Co-exists with appropriately-sized reef fish without aggression.

How much does a banana moray cost?

Typically $80-200 USD depending on size and source.

Can I keep banana moray and snowflake moray together?

Yes, in tanks 125+ gallons with adequate caves for each species.

Related species

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