Archive for July 21st, 2008

Sea cucumber

July 21, 2008

Sea cucumbers are animals in the phylum echinodermata, which means “spiny skin.” This phylum also includes starfish and sea urchins. They only live in salt water, and vary in length from about 1″ to about 6 feet. Their skin is a bit prickly because underneath it is composed of calcified plates, like interlocking armor pieces. […]

Posted in Freeschool, HAWAII, Swimming/Snorkeling No Comments »