I looked under a rock during the minus tide and found this Tubulanus polymorphus (Orange aka Red Ribbon Worm), which stretched to 2'. I was careful to return the rock to its position.
Found in my new live rock. About 1.5" long.
Found it when turning a stone.
it can grow up to 60 meters
Nemertea is a phylum of invertebrate animals also known as "ribbon worms" or "proboscis worms". Alternative names for the phylum have included Nemertini, Nemertinea and Rhynchocoela. Although most are less than 20 centimetres (7.9 in) long, one specimen has been estimated at 54 metres (177 ft), which would make it the longest animal ever found. Most are very slim, usually only a few millimeters wide, although a few have relatively short but wide bodies. Many have patterns of...