Intertidal Invertebrates of the Monterey Bay Area, California Compiled & photographed by Gary McDonald, Long Marine Laboratory, University of California, Santa Cruz |
|
Eubranchus rupium (Moller, 1842) | |
Green Balloon Aeolid | |
Mollusca: Gastropoda: Opisthobranchia: Nudibranchia: Aeolidina: Eubranchidae | |
Geographic Range: Homer, AK, to Bahia de los Angeles, Baja California, Mexico. | Synonyms: Eubranchus olivaceus |
Back to: Aeolidina | Back to: Intertidal Invertebrates of the Monterey Bay Area |
Buckhorn Cove, Mendocino Co., CA; 23 June 2009; 11mm total length; Brenna Green. |
Description: Ground color pale translucent yellow-green to yellow-white, an irregular network of reddish-brown lines occurs on dorsum, along with a faint, irregular, dorso-medial band of olive green. A few opaque white dots occur on head and dorsal surface of tail. Cerata slightly frosted with white and bear an indistinct, subterminal band of reddish-brown to olivaceous green, cores deep olivaceous green. Oral tentacles translucent yellow-white with a subterminal band of brownish to olivaceous green, and encrusted with white dots which are more concentrated distally. Rhinophores smooth, colored as oral tentacles. Foot corners rounded. May be distinguished from Eubranchus rustyus which has specks of brownish to light grey or greenish over body & lacks dorso-medial band of olive green. |
Asilomar, Monterey Co., CA; 5 May 1973; 7mm total length. |