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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 » Pyramid Head - Zone 42030401

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

Dates: 1/1/93 - 10/13/25

Total Surveys: 11

#Species Reported: 61

Average Species Reported on a Survey by Expert Surveyors: 29.60

Average Species Reported on a Survey by Novice Surveyors: 13.67

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)
4California1046008:28
42SOUTHERN CALIFORNIA1046008:28
4203Southern Channel Islands1046008:28
420304San Clemente Island1046008:28
42030401Pyramid Head1046008:28
TOTALS1046008:28

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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Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 100% | DEN: 4
Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 100% | DEN: 3.45
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 100% | DEN: 3
Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 100% | DEN: 2.82
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 100% | DEN: 3.75
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 100% | DEN: 2.91
Red Gorgonian - Cnidarians
(Leptogorgia chilensis)
SF: 100% | DEN: 2.25
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 100% | DEN: 2
Senorita - Wrasse
(Oxyjulis californica)
SF: 100% | DEN: 3.55
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 100% | DEN: 2
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 90.91% | DEN: 2.7
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 90.91% | DEN: 1.7
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 81.82% | DEN: 2.44
Brown Gorgonian - Cnidarians
(Muricea fruticosa)
SF: 75% | DEN: 2
Cobalt Sponge - Poriferans
(Hymenamphiastra cyanocrypta)
SF: 75% | DEN: 1
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 75% | DEN: 2
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 75% | DEN: 2
Southern Sea Palm - Algae
(Eisenia arborea)
SF: 75% | DEN: 3.33
Southern Staghorn Bryozoan - Bryozoans
(Diaperoforma californica)
SF: 75% | DEN: 2.67
Spiny Lobster - Arthropods
(Panulirus interruptus)
SF: 75% | DEN: 3
Two-spot Octopus - Mollusks
(Octopus bimaculatus)
SF: 75% | DEN: 1.67
Opaleye - Sea Chub
(Girella nigricans)
SF: 72.73% | DEN: 2.88
Rainbow Scorpionfish - Scorpionfish
(Scorpaenodes xyris)
SF: 72.73% | DEN: 1.75
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 72.73% | DEN: 1.75
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 50% | DEN: 2.5
Giant Keyhole Limpet - Mollusks
(Megathura crenulata)
SF: 50% | DEN: 2
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 50% | DEN: 2.5
Kellet's Whelk - Mollusks
(Kelletia kelletii)
SF: 50% | DEN: 1.5
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 50% | DEN: 1.5
Pink Abalone - Mollusks
(Haliotis corrugata)
SF: 50% | DEN: 2
Red Rock Shrimp - Arthropods
(Lysmata californica)
SF: 50% | DEN: 2.5
Spiny Brittlestar - Echinoderms
(Ophiothrix spiculata)
SF: 50% | DEN: 1.5
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 50% | DEN: 2
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 45.45% | DEN: 2.4
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 45.45% | DEN: 1.6
Zebra Goby - Goby
(Lythrypnus zebra)
SF: 36.36% | DEN: 2
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 27.27% | DEN: 1.33
California Moray - Moray
(Gymnothorax mordax)
SF: 27.27% | DEN: 1
California Scorpionfish - Scorpionfish
(Scorpaena guttata)
SF: 27.27% | DEN: 1.67
Giant Kelpfish - Clinid
(Heterostichus rostratus)
SF: 27.27% | DEN: 1.33
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 27.27% | DEN: 2.33
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 27.27% | DEN: 1.33
Chestnut Cowry - Mollusks
(Cypraea spadicea)
SF: 25% | DEN: 2
Colonial Sand-tube Worm - Annelids
(Phragmatopoma californica)
SF: 25% | DEN: 1
Crowned Urchin - Echinoderms
(Centrostphanus coronatus)
SF: 25% | DEN: 2
Green Abalone - Mollusks
(Haliotis fulgens)
SF: 25% | DEN: 2
Lacy Bryozoan - Bryozoans
(Phidolopora pacifica)
SF: 25% | DEN: 1
Purple Hydrocoral - Cnidarians
(Stylaster califrnicus)
SF: 25% | DEN: 2
Red Sea Hare - Mollusks
(Aplysia californica)
SF: 25% | DEN: 1
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 25% | DEN: 1
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 25% | DEN: 2
White Urchin - Echinoderms
(Lytechinus anamesus)
SF: 25% | DEN: 1
Bat Ray - Eagle Ray
(Myliobatis californica)
SF: 18.18% | DEN: 1
Topsmelt - Silverside
(Atherinops affinis)
SF: 18.18% | DEN: 4
Black-and-Yellow Rockfish - Scorpionfish
(Sebastes chrysomelas)
SF: 9.09% | DEN: 2
Ocean Whitefish - Tilefish
(Caulolatilus princeps)
SF: 9.09% | DEN: 2
Pacific Electric Ray - Electric Ray
(Torpedo californica)
SF: 9.09% | DEN: 1
Purple Brotula - Viviparous Brotula
(Oligopus diagrammus)
SF: 9.09% | DEN: 1
Rubberlip Seaperch - Surfperch
(Rhacochilus toxotes)
SF: 9.09% | DEN: 1
Silversides spp. - Silverside
(Atherinidae spp.)
SF: 9.09% | DEN: 3
White Seaperch - Surfperch
(Phanerodon furcatus)
SF: 9.09% | DEN: 3