I haven't had mine long and I made quite a few mistakes that you can learn from. Like it does not take salinity changes well and needs a long drip acclimation. I'd say its been easy so far apart from the mistakes I stupidly made. It eats everything I give it pretty much and doesn't seem aggressive or as escape prone as moray eels.
Tank setup: It needs a large open sand area with a fine sand that they can burrow into. Make sure any rock work is stable and on the tank bottom obviously as it may go under them. I'd also suggest a 3/4" pvc piping in the sand. Its mostly sedentary but will have short bursts of high energy. So probably needs a 4ft tank so 70 or more gallons.
Food: live bottom dwellers are best but will happily target feed. I feed live ghost shrimp, krill, and squid. Though any seafood cut into small pieces as they have very small mouths. I feed with long tongs. I suggest reading
@lion king 's articles on food.
Behaviour: Very active for short periods of time and mostly at night or when hungry. Otherwise often hides in the sand or pipes. Beautiful swimmer and quite fun. Also very peaceful and allows handling in the tank without threats or biting.
Tankmates: Is very peaceful but not tough. I'd suggest fish too big for it to eat and won't nip at it. Its a bottom feeder so I wouldn't suggest small gobies, darters, or any shrimp or crabs. and maybe stay away from sand dwelling wrasse. I'm thinking foxface, hawkfish, and a basslet. Also seems to get along with other eels of similar size snowflake, ribbons, etc.
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