Mantis shrimp have exceptional underwater eyesight thanks to their up to 16 different types of photoreceptors, which allow them to see a wider range of colours, including ultraviolet light.
This deep-sea fish can detect prey in dark seas because of its transparent head, which effectively captures light for its upward-facing eyes.
Known for their quickness and agility, tunas are good hunters in deep waters because of their exceptional vision, especially in low light.
To help with hunting and concealment, these cephalopods have sophisticated eyes that can detect polarised light and see well in low light.
In order to travel and locate prey in the shadowy depths of the ocean, many jellyfish possess specialised cells that are able to detect light.
Because they can see in colour and detect polarised light, octopuses have exceptional eyesight, which helps them hunt and escape predators.
Because of the large number of rod cells in their eyes, sharks are excellent predators and can see well in low light.