Limacia mcdonaldi

Limacia mcdonaldi (McDonald's dorid) is a species of nudibranch native to the coast of Southern California. It grows up to 26 mm in length and was previously confused with Limacia cockerelli from which it is easily differentiated by the row of orange spots down the centre of the back.[2]

Limacia mcdonaldi
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
Order:
Nudibranchia
Family:
Polyceridae
Genus:
Limacia
Species:
L. mcdonaldi
Binomial name
Limacia mcdonaldi
Uribe, Sepúlveda, Goddard & Valdés, 2017[1]

Description

The possibility of Limacia cockerelli being two or more species was discussed frequently by observers before this species was described in 2017. They were distinguished as the red form and orange form (= L. mcdonaldi) by the colour of the rhinophores and gills.[3]

Distribution

The type locality for this species is White's Point, Palos Verdes, California. It ranges from Salt Point in Sonoma County to Bahia de los Angeles, Baja California. Its range overlaps with Limacia cockerelli over nearly 850 km of the coast of California between San Diego and Salt Point. [1] From 2014 to 2016 it became quite common in the Monterey Bay and San Francisco areas coinciding with elevated sea water temperatures at that time due to an El Niño event.[1]

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gollark: Well, this will of course be rustaceous.
gollark: So that makes sense.
gollark: I do want this to be able to allow just appending extra new versions of files to an archive for backup purposes, see.
gollark: Maybe store the per-file metadata before each file *and* at the end?

References
  1. Uribe R.A., Sepúlveda F., Goddard J.H.R. & Valdés Á. (2017). Integrative systematics of the genus Limacia O. F. Müller, 1781 (Gastropoda, Heterobranchia, Nudibranchia, Polyceridae) in the Eastern Pacific. Marine Biodiversity. DOI 10.1007/s12526-017-0676-5
  2. Stephens, Tim. "Colorful new species of sea slug named after Long Marine Lab's Gary McDonald".
  3. Goddard, J.H.R., 2000 (July 3) Limacia cockerelli (MacFarland, 1905). [In] Sea Slug Forum. Australian Museum, Sydney.


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