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13 de feb. de 2014 · Out of sight, down in the sand, the body of these worms is soft, pale and very fragile, but it works beautifully in conjunction with its burrow to filter particles of edible matter from the water.
Living under the sand, the Giant Beach Worms are rarely seen as they only come out of the sand only to feed on dead fish, seaweed, dead octopuses and Pipis. They poke their heads out of the sand and grab the food in their jaws and eat it.
Lugworms live in burrows in the sand both on the beach and in the sandy seabed. Their burrows are u-shaped and are formed by the lugworm swallowing sand and then pooing it out, creating wiggly piles of sand along the shoreline. These are known as casts.
Eunice aphroditois is a benthic bristle worm of warm marine waters. It lives mainly in the Atlantic Ocean, but can also be found in the Indo-Pacific. It ranges in length from less than 10 cm (4 in) to 3 m (10 ft). Its exoskeleton displays a wide range of colors, from black to purple and more.
Arenicola, also known as sandworms, is a genus of capitellid annelid worms comprising the lugworms and black lugs.
Squiggly little mounds of sand are a common sight when you walk along a beach at low tide. These are the signs of a hidden but industrious worm that has an important place in the beach ecosystem. What's more, a quick look at those sand piles will help you decode a secret that they kept from scientists for rather a long time.
13 de abr. de 2023 · The resourceful Theristus nematode often emerges from between sand grains into the water, and can actively swim towards new areas of sand where more food is available.
