Eubranchus sp. 1 (Undescribed)
Another undescribed species to be found in the just released - Field Guide to the Sea Slugs of the Tropical Eastern Pacific – by our friends – Yolanda Camacho-Garcia, Terry Gosliner and Angel Valdes is this nifty new aeolid belonging to the genus, Eubranchus . Apparently Terry had collected this same critter in Papua New Guinea some years back and was surprised to find it on this side of the ocean. Since discovery in Costa Rica, Ali Hermosillo has collected it in Puerto Vallarta and Isabel Island, Mexico. This great little critter has green cerata with a subapical pink band. A dead give away are the 4 bands at the tip of each ceras, blue, orange, pink and white.
Camacho-Garcia et al. refer to the species aptly as “arcoiris”, Spanish for rainbow, drawing attention to the spectacular colors of the cerata. The egg mass of this species is a small transparent spiral.
This species is one of hundreds covered in this brand spanking new, full color guide includes every shallow water species known, from the southern border of Mexico to Ecuador and the Galapagos Archipelago. If you are interested in this region of the eastern Pacific this book is a must.
References: Camacho-Garcia, Gosliner and Valdes. 2005. Field Guide to the Sea Slugs of the Tropical Eastern Pacific. [Available from Sea Challengers ].
Ali Hermosillo and Dave Behrens
Pacific Coast Nudibranchs
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