Marine algae, more commonly known as seaweeds, come in all shapes and sizes. Algae are not plants, but they are plant-like. Like plants, they have chlorophyll and are capable of making their own food through photosynthesis.
There are thousands of species of marine algae. Here are some examples of common types of marine algae and information about each.
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 Southern Kelp (Sugar Kelp) |  Sea Lettuce (Ulva sp.) |  Knotted Wrack (Ascophyllum nodosum) |  Irish Moss (Chondrus crispus) |
 Knotted Wrack |  Knotted Wrack (Ascophyllum nodosum) |
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