27. The Deep-Sea Batfish (Halieutichthys aculeatus)
The Deep-Sea Batfish stands out with its flattened body and modified fins, which act like stumpy legs for “walking” along the ocean floor. This unique mode of movement is a rare and fascinating adaptation among fishes, perfectly suited for life on the deep-sea bottom. Its peculiar appearance and behavior have intrigued marine explorers. Learn more about the batfish’s special adaptations at NOAA.