Freshwater Tiger Moray Eel – Exotic, Elusive, and Powerful
(Gymnothorax polyuranodon)

The Freshwater Tiger Moray Eel (Gymnothorax polyuranodon) is a rare and highly sought-after species known for its bold, tiger-like markings and snake-like elegance. Despite its name, this eel is best kept in brackish to lightly marine conditions, especially as it matures. Originating from Southeast Asia and Northern Australia, it’s a unique showpiece for advanced aquarists looking to keep a true oddball predator.

Key Features:

• Striking Appearance: Golden to yellow body with bold, irregular black markings resembling a tiger’s stripes

• Elongated Moray Form: Classic moray eel build with powerful jaws and an inquisitive nature

• Rare in the Hobby: A conversation-starting centerpiece for oddball or brackish tanks

• Grows Large: Can reach 60–90 cm (24–36 inches) in captivity

Tank Requirements:

• Minimum tank size: 300 liters (75+ gallons), larger as it grows

• Temperature: 24°C–28°C (75°F–82°F)

• pH: 7.5–8.5

• Salinity: Brackish (SG 1.005–1.015), may tolerate full marine as an adult

• Provide lots of rockwork, caves, and tight crevices for hiding—this eel is a master of stealth

• Secure, escape-proof lid is absolutely essential

Compatibility:

• Solitary or with large, robust brackish/marine tankmates

• Will eat smaller fish or crustaceans that fit in its mouth

• Best kept alone or with similarly sized, non-aggressive fish

Feeding Tips:

• Carnivorous predator—feed frozen shrimp, squid, fish fillets, and other meaty foods

• May need live foods at first, but usually adapts to frozen options

• Feed 2–3 times per week; avoid overfeeding

Why Choose the Freshwater Tiger Moray Eel?
This rare and beautiful eel combines prehistoric looks with dramatic patterns and a powerful presence. Ideal for experienced aquarists, the Tiger Moray Eel is a bold and captivating species that will transform your aquarium into a scene straight from the mangrove swamps of the tropics.