It is believed their eye development and their advanced censoring system though are both part of the evolution process for this species of Jellyfish. Although the eyes probably do not form images, Cubozoa can clearly distinguish the direction from which light is coming as well as … Actually the Box Jelly does not have an EYE like we do but it can see. Four of them are much like our eyes (image forming) and the other 20 are light/dark sensors for obstacle avoidance. Introduction. The Bluebottle, Physalia utriculus, is a common, if unwelcome, summer visitor to Sydney beaches.At the mercy of the wind, they are sometimes blown into shallow waters, and often wash up onto the beach. You, like Ricardo Sztein, the protagonist of Jellyfish Have Eyes, may be fascinated by jellyfish for many reasons. How many Eyes do Box Jellyfish have 24 Eyes. These incredible invertebrates use their stinging tentacles to stun or paralyse prey before gobbling it up. It isn’t understood why they have eyes though and very few species do. True jellyfish have no eyes. However, the agile box jellyfish are unique among Medusae because they possess four kinds of true eyes that have retinas, corneas and lenses. It "sees" bye sensing the pressure changes in the water in front of it. They have developed the ability to move rather than just drift, jetting at up to four knots through the water. Reviewed in the United States on April 2, 2015 This wonderful book … They are made up of a smooth, bag-like body and tentacles armed with tiny, stinging cells. 5.0 out of 5 stars Yes, some jellyfish have eyes, and it was a pleasure to meet them. The Box Jellyfish has been given the nickname of the Sucker Punch Jellyfish. Box jellies are highly advanced among jellyfish. it like looking into a clear cube submersed in water. Yes you read it right, Box jellyfish have 24 eyes that can be divided into four different types. Only two of the eyes are similar to the eyes of vertebrates (like our eyes) and have the capability to form images. It is similar to evolving with a great pair of lenses, but it … It is a really weird type of vision. Jellyfish can detect light and dark, which they do with the ocelli. The jellyfish’s mouth is found in the centre of its body. Jellyfish are terribly far sighted, or hyperopic. The same way a Whale can "see" with sonar. They can make out shapes and distinguish between prey and predators quite easily. They have a lens that is well corrected, and is able to focus on a distance of 3.3 lens radii, but this is located behind the retina. Ricardo marveled at how the jellyfish squeezed the complexity of vision and orientation into tiny rhopalia only about two hundredths of an inch long. In fact, for a few species their vision can be surprisingly complex . 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