What living things have no eyes?

Blindsight: Animals That See without Eyes [Slide Show]

  • SEA URCHINS. Sea urchins respond to light in various ways: they might change color, twitch their spines or move toward or away from light. …
  • HYDRAS. …
  • SQUIDS, CUTTLEFISHES AND OCTOPUSES. …
  • C. …
  • SWALLOWTAIL BUTTERFLIES. …
  • SCORPIONS.

20.08.2012

How long do cave salamanders live?

Based on the adults’ survival rates, Voituron calculated that the species lives to an average age of 69 years, supporting reports of captive olms living to 70. Across different animal groups, the average lifespan can be anywhere from 10-67% of the maximum one.

Can tropical fish go blind?

Cataracts: Fishes can also suffer from cataracts, which is a common eye disorder causing the eye lens to become opaque. … The fish will generally become blind in the infected eye, and it may develop a cataract, too. Unfortunately, there is no treatment for eye flukes.

Posted in 1

Leave a Reply

Your email address will not be published. Required fields are marked *