Fish feed plays an important role in the growth of the aquaculture industry. Use of plant protein source in the feed industry has been in practice for various advantages such as sustainability, availability, cost effectiveness etc. Terrestrial plant leaves of turi, drumstick, ipil-ipil, alfalfa, mulberry, sweet potato, cassava, cucumber, squash, broad bean, papaya, white cowpea, green mung-bean, jackfruit, mexican fire plant, cocoyam, black jack, banana, akee etc. and aquatic plant leaves of azolla, water hyacinth, duckweeds, water lettuce, Indian stargrass, white snow flake, duck lettuce, bur-reed, water fern etc. have been used in the fish feed industry. | Use of potential plant leaves as ingredient in fish feed - A review