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Region: PAC

Geographic Zones: California - Zone 4 » SOUTHERN CALIFORNIA - Zone 42 » Northern Channel Islands - Zone 4202 » Santa Cruz Island - Zone 420203 » Potato Harbor - Zone 42020336

Survey Types: Fish Only, Invertebrates Only, Fish & Invertebrates

Dates: 1/1/93 - 10/31/25

Total Surveys: 6

#Species Reported: 64

Average Species Reported on a Survey by Expert Surveyors: 28.00

Average Species Reported on a Survey by Novice Surveyors: 17.50

Survey Type: FO = Fish Only; IO = Invertebrates Only; FI = Fish & Invertebrates - How to interpret REEF data?
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Click a column header to sort by that column. Hold shift and click to sort by multiple columns

SurveysBottom Time
ExpertNovice
CodeNameFOIOFIFOIOFI(H:M)
4California2022004:23
42SOUTHERN CALIFORNIA2022004:23
4202Northern Channel Islands2022004:23
420203Santa Cruz Island2022004:23
42020336Potato Harbor2022004:23
TOTALS2022004:23

Species

%SF = Sighting Frequency; DEN = Density Score - How to interpret REEF data?
Bar length corresponds to sighting frequency
Color saturation corresponds to density score
Click + to display species image and additional information.
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Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 100% | DEN: 3
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 100% | DEN: 4
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 100% | DEN: 2.67
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 100% | DEN: 2.83
Orange Cup Coral - Cnidarians
(Balanophyllia elegans)
SF: 100% | DEN: 3.5
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 100% | DEN: 4
Red Gorgonian - Cnidarians
(Leptogorgia chilensis)
SF: 100% | DEN: 2
Red Sea Hare - Mollusks
(Aplysia californica)
SF: 100% | DEN: 2
Senorita - Wrasse
(Oxyjulis californica)
SF: 100% | DEN: 3.17
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 100% | DEN: 1.5
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 83.33% | DEN: 2.6
Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 83.33% | DEN: 2.8
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 83.33% | DEN: 2
Olive Rockfish - Scorpionfish
(Sebastes serranoides)
SF: 83.33% | DEN: 1.8
Opaleye - Sea Chub
(Girella nigricans)
SF: 83.33% | DEN: 2.4
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 83.33% | DEN: 3
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 83.33% | DEN: 2.2
Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 66.67% | DEN: 1.5
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 66.67% | DEN: 2.25
Rubberlip Seaperch - Surfperch
(Rhacochilus toxotes)
SF: 66.67% | DEN: 2.25
Bat Star - Echinoderms
(Patiria miniata)
SF: 50% | DEN: 4
Brown Gorgonian - Cnidarians
(Muricea fruticosa)
SF: 50% | DEN: 2
Cabezon - Longfin Sculpins
(Scorpaenichthys marmoratus)
SF: 50% | DEN: 1
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 50% | DEN: 1
Chestnut Cowry - Mollusks
(Cypraea spadicea)
SF: 50% | DEN: 4
Christmas Tree Worm - Annelids
(Spirobranchus spinosus)
SF: 50% | DEN: 4
Eccentric Sand Dollar - Echinoderms
(Dendraster excentricus)
SF: 50% | DEN: 3
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 50% | DEN: 4
Giant Keyhole Limpet - Mollusks
(Megathura crenulata)
SF: 50% | DEN: 3
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 50% | DEN: 3
Gopher Rockfish - Scorpionfish
(Sebastes carnatus)
SF: 50% | DEN: 1.33
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 50% | DEN: 2
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 50% | DEN: 3
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 50% | DEN: 4
Red Turban Snail - Mollusks
(Lithopoma gibberosum)
SF: 50% | DEN: 2
Red Volcano Sponge - Poriferans
(Acamus erithacus)
SF: 50% | DEN: 1
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 50% | DEN: 2
Spiny Brittlestar - Echinoderms
(Ophiothrix spiculata)
SF: 50% | DEN: 4
Spiny Lobster - Arthropods
(Panulirus interruptus)
SF: 50% | DEN: 2
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 50% | DEN: 1
Sunflower Star - Echinoderms
(Pycnopodia helianthoides)
SF: 50% | DEN: 1
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 50% | DEN: 2
Two-spot Octopus - Mollusks
(Octopus bimaculatus)
SF: 50% | DEN: 1
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 50% | DEN: 3
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 50% | DEN: 3
Blue Rockfish - generic ID - Scorpionfish
(Sebastes mystinus/diaconus)
SF: 33.33% | DEN: 3
Horn Shark - Bullhead Shark
(Heterodontus francisci)
SF: 33.33% | DEN: 1
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 33.33% | DEN: 2.5
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 33.33% | DEN: 2
Ocean Whitefish - Tilefish
(Caulolatilus princeps)
SF: 33.33% | DEN: 1
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 33.33% | DEN: 1.5
Angel Shark - Angel Shark
(Squatina californica)
SF: 16.67% | DEN: 1
Banded Guitarfish - Guitarfish
(Zapteryx exasperata)
SF: 16.67% | DEN: 1
Bat Ray - Eagle Ray
(Myliobatis californica)
SF: 16.67% | DEN: 1
Blue Rockfish (was Blue-blotched species) - Scorpionfish
(Sebastes mystinus)
SF: 16.67% | DEN: 2
Bluebanded Ronquil (R. hypoplecta) - Ronquil
(Rathbunella hypoplecta)
SF: 16.67% | DEN: 1
Bocaccio - Scorpionfish
(Sebastes paucispinis)
SF: 16.67% | DEN: 3
Brown Rockfish - Scorpionfish
(Sebastes auriculatus)
SF: 16.67% | DEN: 2
Copper Rockfish - Scorpionfish
(Sebastes caurinus)
SF: 16.67% | DEN: 2
Shiner Perch - Surfperch
(Cymatogaster aggregata)
SF: 16.67% | DEN: 2
Speckled Sanddab - Sand Flounder
(Citharichthys stigmaeus)
SF: 16.67% | DEN: 2
Striped Seaperch - Surfperch
(Embiotoca lateralis)
SF: 16.67% | DEN: 1
Unidentified Rockfish - Scorpionfish
(Sebastes sp.)
SF: 16.67% | DEN: 1
Unidentified Silvery Baitfish - Silvery Fishes - Silversides, Herrings, and Anchovies
(Atherinidae, Clupeidae, and Engraulidae)
SF: 16.67% | DEN: 4