Table 1. Taxa recorded during subtidal surveys in Howe Sound, British Columbia.

Mean density and standard deviation per 15 m² are given for each taxon as recorded before and after the sea star mortality event.

Taxon	Species or genera included in taxon	Mean density (SD)
		Before	After
Invertebrates
Sunflower star	Pycnopodia helianthoides Brandt, 1835	6.4 (11.4)	0.9 (3.3)
Green urchin	Strongylocentrotus droebachiensis O. F. Müller, 1776	18.3 (41.0)	77.2 (157.4)
Red urchin	Strongylocentrotus franciscanus Aggasiz, 1863	0.4 (0.9)	0.3 (0.6)
White urchin	Strongylocentrotus pallidus G. O. Sars, 1871	1.1 (2.0)	0.3 (0.4)
California cucumber	Parastichopus californicus Linnaeus, 1758	6.1 (9.0)	13.1 (8.9)
Dungeness crab	Metacarcinus magister Dana, 1852	0.1 (0.2)	0.0
Red rock crab	Cancer productus Randall, 1839	0.1 (0.3)	0.4 (0.7)
Spot prawn	Pandalus platyceros Brandt, 1851	22.1 (89.1)	0.3 (0.8)
Squat lobster	Munida quadrispina Benedict, 1902	4.0 (9.0)	0.3 (0.6)
Miscellaneous crabs	Primarily anomurans, including lithode and hermit crabs; several brachyuran genera including Cancer, Pugettia, Scyra, and Oregonia	21.7 (35.0)	16.3 (23.5)
Miscellaneous shrimps	Primarily Pandalus danae Stimpson, 1857, but also other members of the genus Pandalus, as well as the genera Lebbeus, Eualus, Heptocarpus and possibly others	37.0 (38.6)	15.8 (11.2)
Giant Pacific octopus	Enteroctopus dofleini Wülker, 1910	0.1 (0.2)	0.0
Cup corals	Balanophyllia elegans Verrill, 1864, Caryophyllia alaskensis Vaughan, 1941	6.7 (15.8)	22.1 (19.0)
Benthic fishes
Grunt sculpin	Rhamphocottus richardsonii Günther, 1974	0.1 (0.2)	0.1 (0.2)
Longfin sculpin	Jordania zonope Starks, 1895	0.2 (0.4)	2.7 (4.1)
Sailfin sculpin	Nautichthys oculofasciatus Girard, 1858	0.1 (0.2)	0.0
Scalyhead sculpin	Artedius harringtoni Starks, 1896	0.8 (1.6)	1.8 (2.3)
Miscellaneous sculpins	Cottid genera including Artedius, Orthanopias, Oligocottus, Radulinus, Chitonotus and possibly others.	5.5 (4.6)	0.7 (1.2)