Tag Archives: Sea Cucumbers

Sea Cucumbers: The More You Know


Sea cucumbers are a species of invertebrates under the phylum Echinodermata similar to sea stars and sea urchins. Sea cucumbers live in the benthic zone or ocean floor. They are nocturnal creatures but can be seen in the day as well. Sea cucumber uses their tube feet for locomotion and eating. The mouth is surrounded by twenty retractable tentacles that help them bring food in. They may seem slow, but have a very effective defense mechanism called evisceration in which they can jettison their internal organs to distract or in hopes their prey will eat their organs instead of attacking them. Sea cucumbers can regenerate these organs within days.

Sea cucumbers diets consist of algae, aquatic invertebrates, and waste particles in the ocean. Sea cucumbers are in high demands in Asian markets for their use in medicine and food. Sea cucumbers reproduce by the female launching her eggs in the waters, the male does a similar process with his sperm. Sea cucumbers can also self-reproduce as well.

Sea cucumber’s shape is elongated and is found on the sea floor worldwide. The most common species found on Catalina Island include the warty sea cucumber and the giant California sea cucumber.

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We would like to thank you for visiting our blog. Catalina Sea Camp is a hands-on marine science program with an emphasis on ocean exploration. Our classes and activities are designed to inspire students toward future success in their academic and personal pursuits. This blog is intended to provide you with up-to-date news and information about our camp programs, as well as current science and ocean happenings. This blog has been created by our staff who have at minimum a Bachelors Degree in Marine Science or related subject. We encourage you to also follow us on Facebook, Instagram, Google+, Twitter, and Vine to see even more of our interesting science and ocean information. Feel free to leave comments, questions, or share our blog with others. Please visit www.catalinaseacamp.org for additional information. Happy Reading!

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