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Region: PAC

Geographic Zones: California - Zone 4 » SOUTHERN CALIFORNIA - Zone 42 » Northern Channel Islands - Zone 4202 » Anacapa Island - Zone 420204 » Underwater Island - Zone 42020411

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

Dates: 1/1/93 - 10/19/25

Total Surveys: 13

#Species Reported: 62

Average Species Reported on a Survey by Expert Surveyors: 21.17

Average Species Reported on a Survey by Novice Surveyors: 17.71

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)
4California40260110:32
42SOUTHERN CALIFORNIA40260110:32
4202Northern Channel Islands40260110:32
420204Anacapa Island40260110:32
42020411Underwater Island40260110:32
TOTALS40260110:32

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
(Patiria miniata)
SF: 100% | DEN: 3.33
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 100% | DEN: 2.62
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 100% | DEN: 3.54
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 100% | DEN: 3.33
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 100% | DEN: 2.69
Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 100% | DEN: 2.92
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 100% | DEN: 3.33
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 100% | DEN: 2.31
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 100% | DEN: 4
Red Gorgonian - Cnidarians
(Leptogorgia chilensis)
SF: 100% | DEN: 2.67
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 100% | DEN: 3.33
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 100% | DEN: 2.67
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 92.31% | DEN: 2.33
Opaleye - Sea Chub
(Girella nigricans)
SF: 92.31% | DEN: 2.17
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 76.92% | DEN: 2.3
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 76.92% | DEN: 2.3
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 76.92% | DEN: 2.4
Senorita - Wrasse
(Oxyjulis californica)
SF: 76.92% | DEN: 3
Chestnut Cowry - Mollusks
(Cypraea spadicea)
SF: 66.67% | DEN: 2
Crowned Urchin - Echinoderms
(Centrostphanus coronatus)
SF: 66.67% | DEN: 3.5
Giant Keyhole Limpet - Mollusks
(Megathura crenulata)
SF: 66.67% | DEN: 3
Kellet's Whelk - Mollusks
(Kelletia kelletii)
SF: 66.67% | DEN: 3
Red Sea Hare - Mollusks
(Aplysia californica)
SF: 66.67% | DEN: 2
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 66.67% | DEN: 3
Spanish Shawl - Mollusks
(Flabellina iodinea)
SF: 66.67% | DEN: 2
Spiny Lobster - Arthropods
(Panulirus interruptus)
SF: 66.67% | DEN: 2
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 66.67% | DEN: 2.5
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 66.67% | DEN: 4
White Urchin - Echinoderms
(Lytechinus anamesus)
SF: 66.67% | DEN: 2
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 61.54% | DEN: 2
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 46.15% | DEN: 1.5
Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 38.46% | DEN: 2
California Scorpionfish - Scorpionfish
(Scorpaena guttata)
SF: 38.46% | DEN: 1.2
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 38.46% | DEN: 2
Ocean Whitefish - Tilefish
(Caulolatilus princeps)
SF: 38.46% | DEN: 2
Rubberlip Seaperch - Surfperch
(Rhacochilus toxotes)
SF: 38.46% | DEN: 1.8
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 38.46% | DEN: 1.2
Colonial Sand-tube Worm - Annelids
(Phragmatopoma californica)
SF: 33.33% | DEN: 1
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 33.33% | DEN: 2
Gumboot Chiton - Mollusks
(Cryptochiton stelleri)
SF: 33.33% | DEN: 1
Lacy Bryozoan - Bryozoans
(Phidolopora pacifica)
SF: 33.33% | DEN: 3
Light-bulb Tunicate - Urochordates
(Clavelina huntsmani)
SF: 33.33% | DEN: 3
Masking/Sheep Crab - Arthropods
(Loxorthynchus crispatus (L. grandis))
SF: 33.33% | DEN: 1
Opalescent Nudibranch - Mollusks
(Hermissenda crassicornis / opalescens)
SF: 33.33% | DEN: 2
Spiny Brittlestar - Echinoderms
(Ophiothrix spiculata)
SF: 33.33% | DEN: 3
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 33.33% | DEN: 0
Black-and-Yellow Rockfish - Scorpionfish
(Sebastes chrysomelas)
SF: 23.08% | DEN: 1.67
Giant Kelpfish - Clinid
(Heterostichus rostratus)
SF: 23.08% | DEN: 1.67
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 23.08% | DEN: 2
Olive Rockfish - Scorpionfish
(Sebastes serranoides)
SF: 23.08% | DEN: 1.33
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 15.38% | DEN: 2.5
White Seaperch - Surfperch
(Phanerodon furcatus)
SF: 15.38% | DEN: 3
Blue Rockfish (was Blue-blotched species) - Scorpionfish
(Sebastes mystinus)
SF: 7.69% | DEN: 1
Blue Rockfish - generic ID - Scorpionfish
(Sebastes mystinus/diaconus)
SF: 7.69% | DEN: 4
Brown Rockfish - Scorpionfish
(Sebastes auriculatus)
SF: 7.69% | DEN: 1
Cabezon - Longfin Sculpins
(Scorpaenichthys marmoratus)
SF: 7.69% | DEN: 1
Copper Rockfish - Scorpionfish
(Sebastes caurinus)
SF: 7.69% | DEN: 1
Horn Shark - Bullhead Shark
(Heterodontus francisci)
SF: 7.69% | DEN: 1
Rockpool Blenny - Combtooth Blenny
(Hypsoblennius gilberti)
SF: 7.69% | DEN: 3
Sargo - Grunt
(Anisotremus davidsoni)
SF: 7.69% | DEN: 2
Sharpnose Seaperch - Surfperch
(Phanerodon atripes)
SF: 7.69% | DEN: 3
Silversides spp. - Silverside
(Atherinidae spp.)
SF: 7.69% | DEN: 3