The correct lighting in an aquarium is very important; it should help the fish to look their best, allow plants to grow, and above all be safe - we all know care must be taken when using electricity near water!
Safety first
This has to be the key concern
Good lights for the fish
Good lights for plants
Vegetarian fish Some catfish have a largely vegetarian diet; feed them potato, lettuce, cucumber or blanched peas. Some of these will have to be weighted down, or held in place with a commercially available lettuce grip (magnetic clips are far better than suction types). As with all fish, do not over feed; remove uneaten vegetable matter after a couple days