XXL Galleon Ship With Aeration Over 27 Inches Long! Our biggest aquarium ornament in the range, only suitable for very large Aquariums at least 60 Inches Long. Amazing Quality and Design. Includes 2 Airstones Piped Up Ready To Go For That Dramatic Effect of Aeration, requires air pump (NOT INCLUDED) to use bubbler . This extra large sunken Galleon Ship is safe for all aquatic environments and is sure to be a great purchase. Large enough to create hiding places for fish. Completely safe for all aquatic environments. Galleon Ship with Aeration Wreck, HUGE AQUARIUM ORNAMENT… Amazing detail.