From Just about any check out, these exotic fish resemble butterflies. They've got very long flowing fins which make them appear like they've darkish brown wings flowing outward. They also take in insects. They have an upturned, “frowning” mouth to aid them capture insects within the best on the water. https://www.4shared.com/office/5PrB5Uztjq/How_to_Find_the_Best_Aquarium_.html