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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 » Little Arch / Pyramid Arch - Zone 42030439

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

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

Total Surveys: 4

#Species Reported: 41

Average Species Reported on a Survey by Expert Surveyors: 29.00

Average Species Reported on a Survey by Novice Surveyors: 13.50

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)
4California0020023:22
42SOUTHERN CALIFORNIA0020023:22
4203Southern Channel Islands0020023:22
420304San Clemente Island0020023:22
42030439Little Arch / Pyramid Arch0020023:22
TOTALS0020023:22

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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California Sheephead - Wrasse
(Bodianus pulcher)
SF: 100% | DEN: 3
Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 100% | DEN: 3.25
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 100% | DEN: 4
Senorita - Wrasse
(Oxyjulis californica)
SF: 100% | DEN: 3.75
Spiny Lobster - Arthropods
(Panulirus interruptus)
SF: 100% | DEN: 3
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 75% | DEN: 2.67
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 75% | DEN: 4
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 75% | DEN: 3
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 75% | DEN: 3
Opaleye - Sea Chub
(Girella nigricans)
SF: 75% | DEN: 3
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 75% | DEN: 2
Red Gorgonian - Cnidarians
(Leptogorgia chilensis)
SF: 75% | DEN: 2.33
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 75% | DEN: 3.33
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 75% | DEN: 2.33
Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 50% | DEN: 3.5
Brown Gorgonian - Cnidarians
(Muricea fruticosa)
SF: 50% | DEN: 2.5
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 50% | DEN: 3
California Moray - Moray
(Gymnothorax mordax)
SF: 50% | DEN: 1.5
California Scorpionfish - Scorpionfish
(Scorpaena guttata)
SF: 50% | DEN: 1
Green Abalone - Mollusks
(Haliotis fulgens)
SF: 50% | DEN: 1.5
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 50% | DEN: 2
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 50% | DEN: 3
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 50% | DEN: 2.5
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 50% | DEN: 2
Southern Sea Palm - Algae
(Eisenia arborea)
SF: 50% | DEN: 2.5
Bat Ray - Eagle Ray
(Myliobatis californica)
SF: 25% | DEN: 1
C-O Sole - Righteye Flounder
(Pleuronichthys coenosus)
SF: 25% | DEN: 1
Chestnut Cowry - Mollusks
(Cypraea spadicea)
SF: 25% | DEN: 2
Giant Kelpfish - Clinid
(Heterostichus rostratus)
SF: 25% | DEN: 1
Giant Keyhole Limpet - Mollusks
(Megathura crenulata)
SF: 25% | DEN: 2
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 25% | DEN: 2
Kelp Greenling - Greenling
(Hexagrammos decagrammus)
SF: 25% | DEN: 2
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 25% | DEN: 3
Oarweed - Algae
(Laminaria farlowii)
SF: 25% | DEN: 2
Red Sea Hare - Mollusks
(Aplysia californica)
SF: 25% | DEN: 1
Sea Lemon - Mollusks
(Peltodoris nobilis)
SF: 25% | DEN: 1
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 25% | DEN: 1
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 25% | DEN: 2
Unidentified Abalone - Mollusks
(Haliotis sp.)
SF: 25% | DEN: 1
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 25% | DEN: 2
Zebra Goby - Goby
(Lythrypnus zebra)
SF: 25% | DEN: 2