Other Invertebrates (corals, sponges, worms, etc.)
Invertebrates are the animals in our world without a backbone. You know a lot of them. The insects and crustaceans have outer skeletons, while the mollusks and the worms don’t have much of a skeleton. Invertebrates make up more than 90% of the animals on earth and are part of the base of our food chain.
Corals, sponges, and worms are common words to our ears, but scientists would call them cnidarians, poriferans, and annelids. They each have their own phylum and each phylum is extremely diverse. One thing they all have in common is that they are ancient and simple biological organisms.
Corals, Anemones, & Jellies
Here in Point Reyes...
When exploring intertidal regions it is important to remember that these places are extremely sensitive. When the tide is low these animals are simply trying to “hold on” until the water comes back over them. Here are some simple rules for tidepool etiquette:
Text by Kristen Truchinski
Watch the Deep-water Corals of Cordell Bank National Marine Sanctuary Soundslides presentation - January 5, 2011 - 4:43 minutes (~10 MB)
Did You Know?
The Point Reyes Lighthouse was completed in 1870, 16 years after Congress initially appropriated funds for its construction. It still stands in its original location, having weathered over 140 years at what is considered to be the windiest, foggiest location on the US west coast. More...