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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 » Cobra Head - Zone 42020337

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

Dates: 1/1/93 - 4/12/25

Total Surveys: 22

#Species Reported: 69

Average Species Reported on a Survey by Expert Surveyors: 20.67

Average Species Reported on a Survey by Novice Surveyors: 14.56

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)
4California501140214:45
42SOUTHERN CALIFORNIA501140214:45
4202Northern Channel Islands501140214:45
420203Santa Cruz Island501140214:45
42020337Cobra Head501140214:45
TOTALS501140214:45

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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Bat Star - Echinoderms
(Asterina miniata)
SF: 100% | DEN: 3
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 100% | DEN: 3.55
Blue Rockfish - generic ID - Scorpionfish
(Sebastes mystinus/diaconus)
SF: 100% | DEN: 2.73
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 100% | DEN: 3
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 100% | DEN: 2.33
Red Gorgonian - Cnidarians
(Leptogorgia chilensis)
SF: 100% | DEN: 2.33
Red Sea Hare - Mollusks
(Aplysia californica)
SF: 100% | DEN: 1.67
Senorita - Wrasse
(Oxyjulis californica)
SF: 95.45% | DEN: 2.86
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 90.91% | DEN: 2.75
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 90.91% | DEN: 2.35
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 90.91% | DEN: 2.55
Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 81.82% | DEN: 1.83
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 81.82% | DEN: 2.33
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 72.73% | DEN: 1.44
Opaleye - Sea Chub
(Girella nigricans)
SF: 68.18% | DEN: 2.4
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 66.67% | DEN: 3
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 66.67% | DEN: 4
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 66.67% | DEN: 3.5
Southern Sea Palm - Algae
(Eisenia arborea)
SF: 66.67% | DEN: 2.5
Sunflower Star - Echinoderms
(Pycnopodia helianthoides)
SF: 66.67% | DEN: 1
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 66.67% | DEN: 2
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 66.67% | DEN: 1.5
Olive Rockfish - Scorpionfish
(Sebastes serranoides)
SF: 63.64% | DEN: 1.79
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 63.64% | DEN: 2.21
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 59.09% | DEN: 1.92
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 50% | DEN: 2
California Sea Cucumber - Echinoderms
(Parastichopus californicus)
SF: 33.33% | DEN: 1
Chestnut Cowry - Mollusks
(Cypraea spadicea)
SF: 33.33% | DEN: 2
Cobalt Sponge - Poriferans
(Hymenamphiastra cyanocrypta)
SF: 33.33% | DEN: 0
Feather Duster Worm (E. polymorpha) - Annelids
(Eudistylia polymorpha)
SF: 33.33% | DEN: 3
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 33.33% | DEN: 2
Giant Keyhole Limpet - Mollusks
(Megathura crenulata)
SF: 33.33% | DEN: 2
Kellet's Whelk - Mollusks
(Kelletia kelletii)
SF: 33.33% | DEN: 2
Lacy Bryozoan - Bryozoans
(Phidolopora pacifica)
SF: 33.33% | DEN: 1
Light-bulb Tunicate - Urochordates
(Clavelina huntsmani)
SF: 33.33% | DEN: 2
Orange Cup Coral - Cnidarians
(Balanophyllia elegans)
SF: 33.33% | DEN: 3
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 33.33% | DEN: 2
Sea Lemon - Mollusks
(Peltodoris nobilis)
SF: 33.33% | DEN: 2
Southern Staghorn Bryozoan - Bryozoans
(Diaperoforma californica)
SF: 33.33% | DEN: 2
Stalked Tunicate - Urochordates
(Styela montereyensis)
SF: 33.33% | DEN: 2
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 33.33% | DEN: 0
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 33.33% | DEN: 2
Two-spot Octopus - Mollusks
(Octopus bimaculatus)
SF: 33.33% | DEN: 1
White Urchin - Echinoderms
(Lytechinus anamesus)
SF: 33.33% | DEN: 2
California Scorpionfish - Scorpionfish
(Scorpaena guttata)
SF: 22.73% | DEN: 1
Gopher Rockfish - Scorpionfish
(Sebastes carnatus)
SF: 22.73% | DEN: 1.4
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 18.18% | DEN: 2
Black Rockfish - Scorpionfish
(Sebastes melanops)
SF: 18.18% | DEN: 2
Ocean Whitefish - Tilefish
(Caulolatilus princeps)
SF: 18.18% | DEN: 2
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 18.18% | DEN: 1.5
Rubberlip Seaperch - Surfperch
(Rhacochilus toxotes)
SF: 18.18% | DEN: 2
Silversides spp. - Silverside
(Atherinidae spp.)
SF: 18.18% | DEN: 3.25
Black-and-Yellow Rockfish - Scorpionfish
(Sebastes chrysomelas)
SF: 13.64% | DEN: 1
Cabezon - Sculpin
(Scorpaenichthys marmoratus)
SF: 13.64% | DEN: 1.33
Copper Rockfish - Scorpionfish
(Sebastes caurinus)
SF: 13.64% | DEN: 1
White Seaperch - Surfperch
(Phanerodon furcatus)
SF: 13.64% | DEN: 1.67
Bat Ray - Eagle Ray
(Myliobatis californica)
SF: 9.09% | DEN: 1.5
Coralline Sculpin - Sculpin
(Artedius corallinus)
SF: 9.09% | DEN: 1
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 9.09% | DEN: 1
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 9.09% | DEN: 2
Padded Sculpin - Sculpin
(Artedius fenestralis)
SF: 9.09% | DEN: 2
Speckled Sanddab - Lefteye Flounder
(Citharichthys stigmaeus)
SF: 9.09% | DEN: 1
Yellowfin Fringehead - Blenny (pike, tube and flag)
(Neoclinus stephensae)
SF: 9.09% | DEN: 1
Giant Sea Bass - Wreckfish
(Stereolepis gigas)
SF: 4.55% | DEN: 1
Pacific Sanddab - Lefteye Flounder
(Citharichthys sordidus)
SF: 4.55% | DEN: 1
Sargo - Grunt
(Anisotremus davidsoni)
SF: 4.55% | DEN: 1
Shiner Perch - Surfperch
(Cymatogaster aggregata)
SF: 4.55% | DEN: 2
Unidentified Surfperch - Surfperch
(Embiotocidae spp.)
SF: 4.55% | DEN: 2
Walleye Surfperch - Surfperch
(Hyperprosopon argenteum)
SF: 4.55% | DEN: 2