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Region: PAC

Geographic Zones: California - Zone 4 » SOUTHERN CALIFORNIA - Zone 42 » Southern Channel Islands - Zone 4203 » San Clemente Island - Zone 420304 » Twin Peaks (East Side) - Zone 42030435

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

Dates: 1/1/93 - 10/14/25

Total Surveys: 5

#Species Reported: 42

Average Species Reported on a Survey by Expert Surveyors: 20.00

Average Species Reported on a Survey by Novice Surveyors: 12.33

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)
4California0021023:33
42SOUTHERN CALIFORNIA0021023:33
4203Southern Channel Islands0021023:33
420304San Clemente Island0021023:33
42030435Twin Peaks (East Side)0021023:33
TOTALS0021023:33

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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Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 100% | DEN: 4
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 100% | DEN: 2.6
Spiny Lobster - Arthropods
(Panulirus interruptus)
SF: 100% | DEN: 2.75
Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 80% | DEN: 3
Crowned Urchin - Echinoderms
(Centrostphanus coronatus)
SF: 75% | DEN: 3
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 75% | DEN: 2.33
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 60% | DEN: 2.67
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 60% | DEN: 2.67
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 50% | DEN: 2
Cobalt Sponge - Poriferans
(Hymenamphiastra cyanocrypta)
SF: 50% | DEN: 1
Red Gorgonian - Cnidarians
(Leptogorgia chilensis)
SF: 50% | DEN: 2.5
Red Volcano Sponge - Poriferans
(Acamus erithacus)
SF: 50% | DEN: 1.5
Southern Sea Palm - Algae
(Eisenia arborea)
SF: 50% | DEN: 3.5
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 50% | DEN: 2
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 50% | DEN: 3
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 40% | DEN: 3
Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 40% | DEN: 4
Opaleye - Sea Chub
(Girella nigricans)
SF: 40% | DEN: 2.5
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 40% | DEN: 1
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 40% | DEN: 2.5
Senorita - Wrasse
(Oxyjulis californica)
SF: 40% | DEN: 3
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 40% | DEN: 1
Brown Gorgonian - Cnidarians
(Muricea fruticosa)
SF: 25% | DEN: 2
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 25% | DEN: 2
Opalescent Nudibranch - Mollusks
(Hermissenda crassicornis / opalescens)
SF: 25% | DEN: 1
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 25% | DEN: 2
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 25% | DEN: 2
Southern Staghorn Bryozoan - Bryozoans
(Diaperoforma californica)
SF: 25% | DEN: 2
Spiny Brittlestar - Echinoderms
(Ophiothrix spiculata)
SF: 25% | DEN: 3
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 25% | DEN: 1
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 25% | DEN: 1
Bat Ray - Eagle Ray
(Myliobatis californica)
SF: 20% | DEN: 1
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 20% | DEN: 2
Black Rockfish - Scorpionfish
(Sebastes melanops)
SF: 20% | DEN: 2
Blue Rockfish (was Blue-blotched species) - Scorpionfish
(Sebastes mystinus)
SF: 20% | DEN: 1
Cabezon - Longfin Sculpins
(Scorpaenichthys marmoratus)
SF: 20% | DEN: 1
Giant Sea Bass - Wreckfish
(Stereolepis gigas)
SF: 20% | DEN: 1
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 20% | DEN: 2
Jacksmelt - Silverside
(Atherinopsis californiensis)
SF: 20% | DEN: 3
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 20% | DEN: 3
Rainbow Scorpionfish - Scorpionfish
(Scorpaenodes xyris)
SF: 20% | DEN: 1
Zebra Goby - Goby
(Lythrypnus zebra)
SF: 20% | DEN: 1