The Garden Eel, also known as Hass's Garden Eel, looks like a colony of seagrass. The main portion of the Garden eel is usually buried in the sand, and if approached, retreats into the substrate. Several of these eels may be kept together in a 100 gallon or larger aquarium with at least 6 inches of sand, a gentle current, and without aggressive tank mates. Decor should be kept at a minimum. A tight-fitting lid is required to prevent escape. The Garden Eel is a peculiar species that stays buried in the sand with its head sticking out. When kept in large groups, these eels have the appearance of a bed of seagrass. However, when startled, the eels will retreat into the sand. A tight fitting lid is highly recommended to prevent escape, as well as a minimum of six inches of sand. This species also requires low water current, and d_cor should also be kept to a minimum. Non-aggressive tankmates are a must. General Size Specifications: These eels will come to you generally in the 8 - 24 inch range. Minimum Tank Size: Garden Eel prefers a tank of at least 100 gallons with plenty of places to hide & swim. Feeding and Diet: Garden Eel diet consists of meaty foods and live foods such as freshwater ghost shrimp or small feeder fish.