Shipwrecks are something to be stern about. Unless it"s a fake one like the Penn Plax Split Shipwreck Stern Aquarium Decor - Medium. Still, it"ll add serious style to your aquarium, and it offers room for your fish to hide and swim. It"s crafted in great detail with snon-toxic resin. * Crafted from high-quality, durable resin * Designed for both fresh and salt water aquariums * Will not alter the water chemistry * Provides fish with an obstacle to swim around * Adds colorful fun to your aquarium or terrarium