1. Porpoises: Closely related to dolphins and whales, porpoises are also known for their sonar abilities. They emit high-frequency clicks to navigate, find prey, and communicate with each other.
2. Seals and Sea Lions: Some species of seals and sea lions have evolved echolocation abilities, particularly those that hunt in low-light conditions or murky waters. They use sonar to detect fish and other prey by bouncing sound waves off objects in their environment.
3. Toothed Whales: In addition to dolphins and porpoises, other toothed whales such as belugas, narwhals, and sperm whales use echolocation. Each species has unique sonar characteristics and adaptations based on their habitat and prey preferences.
4. Crustaceans: Certain species of crustaceans, like snapping shrimp, mantis shrimp, and pistol shrimp, use a form of sonar to detect predators and prey. They generate rapid and loud snapping sounds by snapping their claws, creating sound waves that bounce off nearby objects.
5. Fish: Some species of fish, such as the flashlight fish (Anomalops katoptron), have evolved sonar-like abilities. They emit bioluminescent flashes to illuminate their surroundings and use the echoes reflected from objects to create an image of their environment.
6. Octopus: While not traditionally considered a marine mammal, octopuses have also been found to use echolocation. They emit low-frequency clicks that may help them navigate and locate objects in dim or dark environments.