But despite their sharp teeth wolf eels are not aggressive. Electric eels can release up to 860 volts of electricity, and a 40-watt DC lightbulb needs only around 120. It can be quite startling at first, Balfry said. They don’t need a second call for dinner. They will not harm corals in a reef environment, but are more suitable to FOWLR systems due to the fact that half of the cleaning crew may be added to the dinner menu. The wolf eels cluster together in the bottom of their lidded tanks, until someone takes the lid off the tank to feed them and they come charging to the surface. For lunch, they have fries and grilled cheese sandwiches, Cherry Coke. Tank mates should be considered carefully and can generally be other large predatory species (i.e., Groupers, large Angels, Puffers, Boxfish, Scorpion fish, Lionfish, Butterflyfish, etc.). Everybody experiences gooseflesh at a wolf eel's glare. This species should not be kept with shrimp, small lobsters, crabs, or any fish that can fit in its large mouth as they will quickly become snacks (large hermit crabs and snails should be fine). In addition to quality biological and mechanical filtration, an efficient protein skimmer is also recommended as Wolf Eels can be quite gluttonous when feeding and will have a large biological load on the system. They are not generally known to be jumpers, but should be kept in an aquarium with a hood or tight-fitting lid to help prevent their escape. Wolf Eels require an aquarium of at least 90 gallons along with plenty of live rock for hiding and hunting (they love caves and crevices) they should also be provided with a fine, sandy substrate as they often rest on the bottom of the aquarium, laying in wait for prey to crawl or swim by. Wolf eel bite Large wolf eels are curious and are not often aggressive, however are able to causing painful bites on humans.

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