Common Name: Tiger Moray Eel
Scientific Name: Gymnothorax polyuranodon
Other Names: Leopard Moray Eel, Freshwater Moray
The Tiger Moray Eel, scientifically known as Gymnothorax polyuranodon, is one of the only species of Moray Eels to inhabit true freshwater environments, and they are a rarity in the hobby due to the remote areas it inhabits They exhibit a long and serpentine body with a pattern of distinct black or dark brown stripes running horizontally across their yellowish or white base coloration. They have a large mouth filled with sharp teeth, and their jaws can extend to capture prey.
Habitat and Distribution: Tiger Moray Eels can be found in various freshwater habitats in Southeast Asia, including rivers, lakes, and swamps. They are well adapted to environments with abundant hiding spots, such as submerged logs, caves, and dense vegetation.
Size and Lifespan: Tiger Moray Eels can grow to a considerable size, reaching lengths of up to 2-3 feet in captivity. The lifespan of Tiger Moray Eels can vary, but with proper care, they can live for 10-15 years or more.
Diet and Behavior: Tiger Moray Eels are carnivorous predators. In their natural habitat, they feed on a diet consisting of small fish, crustaceans, and other aquatic invertebrates. In captivity, they can be fed a diet consisting of live or frozen meaty foods, such as fish, shrimp, and squid. They are primarily nocturnal and spend much of their time hiding among rocks or other structures, emerging at night to actively hunt for prey.
Aquarium Care and Tank Requirements: Keeping Tiger Moray Eels in a spacious and well-maintained aquarium is essential. A tank size of at least 200 gallons is recommended to provide ample swimming space and accommodate their potential growth. It is crucial to provide hiding spots such as caves, PVC pipes, or driftwood to offer security for the eels. The water temperature should be maintained between 76-82°F (24-28°C), and the pH level should range from 6.5 to 7.5. Efficient filtration and regular water changes are necessary to maintain optimal water quality.
Ideal Tank Mates: Tiger Moray Eels are best kept as the sole eel species in the aquarium. They can be aggressive and territorial towards other fish, particularly those that are similar in size or occupy the bottom of the tank. It's essential to choose tank mates that are larger and can tolerate their behavior, or alternatively, keep them in a species-specific setup.
Difficulty Level: Tiger Moray Eels are considered moderately difficult to keep in captivity. They require specific tank conditions, such as a large aquarium, suitable hiding spots, and a well-maintained environment. Additionally, their aggressive nature and specialized dietary requirements make them more suitable for experienced aquarists.
- Temperature: 76-82°F (24-28°C)
- pH: 6.5-7.5
- General Hardness (GH): 6-12 dGH
- Carbonate Hardness (KH): 2-8 dKH
- Ammonia: 0 ppm
- Nitrite: 0 ppm
- Nitrate: <20 ppm
Additional Information: Tiger Moray Eels are intriguing and visually stunning creatures that can become the focal point of a well-equipped and dedicated freshwater aquarium. Their striped pattern and elongated body create a captivating display. However, their care requirements should not be underestimated, and it's crucial to provide a suitable environment to ensure their well-being.
Remember to research thoroughly and consult with experienced aquarists or professionals to ensure you can meet the specific needs of Tiger Moray Eels in a freshwater setup.
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