Average Size: To an average length of about three feet (36 inches).
Minimum Tank Size Suggested: No less than 75 gallons, because even though you may have a smaller specimen it can outgrow a tank rather quickly.
Habitat: Predatory bottom dweller that requires plenty of shelter for hiding.
Hi Rykna!
The above is info I just found on the snowflake eel.
You can, contrary to popular belief, keep a nice variety of tankmates with seahorses. You can't keep them with stinging corals, though.