Table 3.

Southern-ranging species that experienced a pronounced increase in local abundance during 2014–2016 (n = 14).

Common name	Scientific name	Local site(s)	Known range limit
By-the-wind Sailor (CN)	Velella velella	Salmon Creek Beach, CA	Alaska
Sunburst Sea Anemone (CN)	Anthopleura sola	Bodega Marine Reserve, CA	Bruhel Point, CA*
Owl Limpet (M)	Lottia gigantea	Bodega Marine Reserve, CA	Crescent City, CA
Monterey Tube Snail (M)	Petaloconchus montereyensis	Bodega Marine Reserve, CA	Van Damme State Park, CA**
White-spotted Dorid (M)	Doriopsilla fulva	Salt Point State Park, CA	Netarts Bay, OR*
Bryozoan (BR)	Jellyella tuberculata	Bodega Marine Reserve, CA	Bodega Marine Reserve, CA
Pink-striped Barnacle (CR)	Megabalanus californicus	Bodega Marine Reserve, CA	Humbug State Park, OR*
Pink Volcano Barnacle (CR)	Tetraclita rubescens	Salt Point & Van Damme, CA	Burnt Hill, OR
Spiny Mole Crab (CR)	Blepharipoda occidentalis	Salmon Creek Beach, CA	Salmon Creek Beach, CA**
Mole Crab (CR)	Emerita analoga	Salmon Creek Beach, CA	Alaska
Chocolate Porcelain Crab (CR)	Petrolisthes manimaculis	Pinnacle Gulch, CA	Point St. George, CA*
Scarlet Sea Cucumber (E)	Lissothuria nutriens	Bodega Marine Reserve, CA	Fort Ross Reef, CA*
Pyrosome (T)	Pyrosoma atlanticum	Salmon Creek Beach, CA	Sitka, AK
Ocean Sunfish (F)	Mola mola	Bodega Bay & Cordell Bank, CA	Alaska

Taxonomic group indicated in parentheses: BR = bryozoan, CN = cnidarian, CR = crustacean, E = echinoderm, F = fish, M = mollusc, T = tunicate. Column 3 shows the local site where the increase was observed. Column 4 shows the known northern geographic range limit. One asterisk (*) indicates a new northern range limit recorded during this study (Table 1), whereas two asterisks (**) indicates an unpublished northern range record that we observed prior to 2014 (see Supplementary Information). Coordinates for all geographic locations are listed in Table S1.