Marine Life Animals and Facts

Here are some marine life animals and some facts about them! 


  • An average lifespan of a starfish is 35 years.

  • Starfish can weigh up to 11 pounds.

  • They can regenerate lost arms.

  • They have 2 stomachs.


  • Dolphins are very social living in groups that hunt and even play together. Large pods of dolphins can have 1,000 members or more.

  • Dolphins have a few natural enemies. Humans are the main threat. Pollution, fishing & hunting mean some dolphin species will have an uncertain future.

  • Dolphins can recognize themselves in the mirror.

  • A two headed dolphin was found in western Turkey in 2014

  • Dolphins have the longest memory in the animal kingdom.

Sea turtle

  • Sea turtles are endangered species.

  • Sea turtles have been on earth so long they lived during the time of dinosaurs.

  • The smallest weigh around 60 pounds.

  • Green sea turtles are the only species where adults are herbivores.

  • Sea turtles have claws.

Sea lion

  • Male sea lions are much larger then female. The females look for the largest males to mate with.

  • There are many species of sea lions, there are about 7 different kind of species.

  • Sea lions are very social they communicate in a variety of ways.

  • A male sea lion can weight up to 800 pounds & be 9 feet long.

  • Male sea lions can eat 30-45 pounds of food everyday.


  • Manatees closest modern relative is an elephant.

  • There are 4 species of manatees.

  • Manatees weigh up to 2,000 pounds.

  • Manatees usually head to the surface to breath every 3-5 minutes but can last more then 20 minutes under water.

  • Manatees lose their teeth throughout their lives and continue to grow more.