Water And Oceanography

Endangered Sea Creatures

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The IUCN (The World Conservation Union) lists several endangered marine animals the ones that are in the most danger of becoming extint are listed below.

Contrary to popular belief there is only one whale in danger of becoming extent. Scientist has successfully repopulated whale species that were once in danger such as the blue wale and gray whale species. However the Humpback is now on the list.


The Humpback whale has been listed on the endangered species list since June 2, 1970. There are only 6,000 Humpback whales left which is a huge decline in population, at one time there were estimated to be well over one hundred thousand Humpback whales. There decline is due in part to humans hunting them in the 1950's and still today the whales become tangled in fishing nets or are injured or killed by large cruise ships.


Dugongs, a close relative of the Manatee have been listed as an endangered species since December 2, 1970. There decline in population is caused mainly by humans, who hit them with their boats or fishermen who caught them in large nets and they drowned before being released.


Also listed on the endangered species list by the U.S. Fish and Wildlife Service since July 28, 1978. An estimated figure of twelve hundred Loggerhead Sea turtles remains in existence. A five year is in the works to rebuild their population.


Is listed on the red list as being critically endangered. The shark is fished primary for its fins as they are considered a delicacy in many parts of the world. The exact date the shark was listed as being endangered is not available.

These little fish only measure a half an inch and live in the reefs of the ocean. They are endangered due to excessive collected to be sold for aquarium fish in which they do not have a very good survival rate.


The whale shark has been endangered since October 1, 2005. The whale shark is in fact a shark, to be more specific it is the largest shark in the ocean! This shark is often referred to as the gentle giant of the ocean it is an herbivorous shark and eats mainly free floating plankton and plant life. The decline in the sharks population is not certain but scientist believe again it is another sea creature that often gets tangled in the fishing nets and hit by large boats.

There are hundreds of endangered sea creatures from the tinniest of little fish to the largest sharks in the ocean. Many organizations are working together to get them from becoming extinct. To see how you can help visit the website http://www.earthsendangered.com/search.asp

IUCN 2006. 2006 IUCN Red List of Threatened Species. .

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