Often found in sand, rocky crevices, and kelp holdfasts. They entrap plankton with sticky secretions on their arms. Sometimes aggregate in huge numbers.These collected individuals were photographed in our lab. Disc diam. 18 mm.
Rebeca Granja–Fernández, María D. Herrero-Pérezrul, Ramón A. López-Pérez, Luis Hernández, Fabián A. Rodríguez-Zaragoza, Robert Wallace Jones, Rubén Pineda-López
Zookeys
Figure 2.Ophiothrix (Ophiothrix) rudis. A dorsal view. Scale bar = 5 mm B dorsal view of the arm C ventral view of the arm D dorsal view of the disk E ventral view of the disk F jaw. Scale bar = 1 mm. Ophiothrix (Ophiothrix) spiculata G dorsal view. Scale bar = 5 mm H dorsal view of the arm I ventral view of the arm J dorsal view of the disk K ventral view of the disk L jaw. Scale bar = 1 mm.