Osteichthyes is the class of animals known as bony fish. They have skeletons made of bone, unlike cartilaginous fish like sharks. Bony fish are incredibly diverse and include species such as salmon, tuna, and goldfish. They have scales, gills for breathing, and a swim bladder, which helps them control their buoyancy in the water.nnSpecifications:nnThis display features a real articulated fish skeleton mounted on a wood basenThe photo shown is an example of what your specimen will approximately look like. Each fish skeleton is unique and will vary slightly in size, shape, color, etc.nThese are economy skeletons that have not been prepared by Skulls Unlimited. Glue may be visible in some spots.nBase Length 25.4 cm (10 in.)nBase Width 10.2 cm (4 in.)nnPlease Note:nThe Clear Plastic Cover Shipped With The Skeleton Is Intended As Protection For The Skeleton During Shipping. It Is Not Intended As A Permanent Cover Of The Skeleton. Occasionally, These Plastic Cases Arrive Cracked Or Broken.