Not Reef Tank Suitable
Not Suitable for Fish-Only Tank
These fishes belong in the Order Aulopiformes and Suborder Alepisauroidei as members of the Family Synodontidae (Lizardfishes) consisting of 3 Subfamilies, 5 genera, and about 55 species.
These are ambush hunters that conceal themselves by burying themselves or simply remain still until something eatable comes close. For in-depth information concerning these fishes, checkout Reef Fishes Volume 1 by Scott Michael (ISBN #1-890087-21-1). You can see a review of this exquisite book by visiting my Product & Book Reviews page.