Rope Fish Close Up Royalty-Free Stock Image

The Rope Fish is a fascinating and primitive-looking fish related to Bichirs. The Rope Fish has many unusual physical features including a flattened head, elongated eel-like body, and thick bony scales that form a distinct reticulated pattern. In addition, the Rope Fish has a modified swim bladder that it uses like a pair of lungs. Found in slow-moving or standing water with low dissolved oxygen content, the Rope Fish relies on this physical trait to gulp fresh air at the water`s surface to obtain vital oxygen.