©Jackie HilderingThis is a most fascinating posting. Hermissenda crassicornis is a species of brightly coloured, sea slug or nudibranch, a marine gastropod mollusc in the family Facelinidae. The colour of the cerata in BOTH species can vary from light brown to dark brown to bright orange. (1998). ©Jackie Hildering.Hermissensa crassicornis on Solitary Pink-Mouth Hydroid. Don’t be fooled by the colour of the two species found in the Northeast Pacific Ocean. Cerata are the structures on some sea slugs species’ backs that have both a respiratory and defence function. Here you can very clearly see the distinctive white lines on the cerata. 2nd ed. Hermissenda crassicornis [1] [2] [3] är en snäckart som först beskrevs av Johann Friedrich von Eschscholtz 1831. Thereby, I anticipate this beautiful species will keep on being referenced as the “Opalescent Nudibranch” in the vernacular.What are the differences between these two species? A collection of over 700 items left to the University of Reading is known as the O’Donoghue Collection.. Life Enlarge image. Hooded Nudibranchs in the background. [ 4 ] [ 5 ] Inga underarter finns listade i Catalogue of Life . (2016). Reimer, Berlin pt. See more. Hermissenda crassicornis ingår i släktet Hermissenda och familjen Facelinidae . This nudibranch was described from San Diego, California, United States. I am so glad you asked as I totally nerded out and made a summary table to differentiate the 3 species reported in the research “The table is just for you my fellow nudibranch nerds.But, I’ll cut to the conclusion. (of Cavolina crassicornis Eschscholtz, 1831) Eschscholtz J. F. (1831). ; Coan, E.V. IX, 526 + cd-rom pp. American Fisheries Society Special Publication, 26. Not on view at the Aquarium. Zoologischer Atlas - Beschreibungen neuer Thierarten, während des Flottcapitains von Kotzebue zweiter Reise um die Welt, auf der Russisch-Kaiserlichen Kriegsschlupp Predpriaetië in den Jahren 1823-1826.. G. 16-20Lindsay T. & Valdés Á. Hermissenda crassicornis. ; Hochberg, F.G.; Lyons, W.G.

As a result of making the following post on social media, I learned that there has been a change in classifying the “Opalescent Nudibranch”.As you can see, the species on the left is more similar to the one I posted and which we call the “Opalescent Nudibranch” in British Columbia.This has of course led to the need for two common names to differentiate them there. Zoologischer Atlas - Beschreibungen neuer Thierarten, während des Flottcapitains von Kotzebue zweiter Reise um die Welt, auf der Russisch-Kaiserlichen Kriegsschlupp Predpriaetië in den Jahren 1823-1826.. G.

Hermissenda (Hermissenda crassicornis) Hermissenda have an elongate body, up to 2 in. ; Rosenberg, G.; Roth, B.; Scheltema, A.; Thompson, F.G.; Vecchione, M.; Williams, J.D. American Fisheries Society: Bethesda, MD (USA). ©Jackie Hildering.Hermissensa crassicornis feeding on Pink-Mouth Hydroids. It has been reported from Northern California, to Punta Eugenia, Mexico.Its distribution overlaps with Hermissenda crassicornis in Northern California and this latter species is found north to Alaska. Common and scientific names of aquatic invertebrates from the United States and Canada: mollusks. ; Bogan, A.E.

Reimer, Berlin pt. The species on the right is being referenced as the “Opalescent Nudibranch” (reinstating the species name However, off British Columbia’s coast we are only likely to see the species on the left with its range being from Alaska to Northern California. Sorry, your blog cannot share posts by email.

PLoS ONE. 11(4): e0154265.Turgeon, D.; Quinn, J.F. 16-20Eschscholtz J. F. (1831). 4
: 1-19, pl. Distribution. Post was not sent - check your email addresses! By The Marine Detective on March 27, 2018 As a result of making the following post on social media, I learned that there has been a change in classifying the “Opalescent Nudibranch”. Thanks for all of it, its beauty and the differences as you have pointed out. His publications mostly deal with sea slugs and he also named a number of Bryozoans. These two species were routinely treated as a single species during the last 90 years. Thanks sgain.I found one that was about an inch and a half in the burrard inlet off the coast of bcFill in your details below or click an icon to log in:Enter your email address to follow this blog and receive notifications of new posts by email. ©Jackie Hildering.Hermissensa crassicornis on Bull Kelp. Opalescent Nudibranch – 3 Distinct “Hermissenda” Species in the North Pacific Ocean. Most interesting. 4
: 1-19, pl. Animal.