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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 » Fish Hook - Zone 42030410

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

Dates: 1/1/93 - 10/23/25

Total Surveys: 18

#Species Reported: 72

Average Species Reported on a Survey by Expert Surveyors: 21.88

Average Species Reported on a Survey by Novice Surveyors: 15.70

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)
4California10750513:43
42SOUTHERN CALIFORNIA10750513:43
4203Southern Channel Islands10750513:43
420304San Clemente Island10750513:43
42030410Fish Hook10750513:43
TOTALS10750513:43

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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Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 100% | DEN: 2.89
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 100% | DEN: 3.11
Senorita - Wrasse
(Oxyjulis californica)
SF: 100% | DEN: 3.78
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 94.44% | DEN: 2.88
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 83.33% | DEN: 3.67
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 83.33% | DEN: 3.5
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 83.33% | DEN: 3.13
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 83.33% | DEN: 2.4
Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 77.78% | DEN: 3.79
Spiny Lobster - Arthropods
(Panulirus interruptus)
SF: 75% | DEN: 2.89
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 61.11% | DEN: 2.45
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 61.11% | DEN: 2.45
Opaleye - Sea Chub
(Girella nigricans)
SF: 61.11% | DEN: 2.36
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 50% | DEN: 2
Crowned Urchin - Echinoderms
(Centrostphanus coronatus)
SF: 50% | DEN: 3.17
Red Gorgonian - Cnidarians
(Leptogorgia chilensis)
SF: 50% | DEN: 2.33
Southern Sea Palm - Algae
(Eisenia arborea)
SF: 50% | DEN: 3.33
Brown Gorgonian - Cnidarians
(Muricea fruticosa)
SF: 41.67% | DEN: 2
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 41.67% | DEN: 2
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 41.67% | DEN: 3.2
Cobalt Sponge - Poriferans
(Hymenamphiastra cyanocrypta)
SF: 33.33% | DEN: 1
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 33.33% | DEN: 1.75
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 33.33% | DEN: 2.33
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 33.33% | DEN: 2
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 33.33% | DEN: 2.75
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 33.33% | DEN: 1.83
C-O Sole - Righteye Flounder
(Pleuronichthys coenosus)
SF: 27.78% | DEN: 1.4
Ocean Whitefish - Tilefish
(Caulolatilus princeps)
SF: 27.78% | DEN: 1.8
Rainbow Scorpionfish - Scorpionfish
(Scorpaenodes xyris)
SF: 27.78% | DEN: 1.8
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 25% | DEN: 1.67
Bat Ray - Eagle Ray
(Myliobatis californica)
SF: 22.22% | DEN: 1.25
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 22.22% | DEN: 2.5
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 16.67% | DEN: 2
California Moray - Moray
(Gymnothorax mordax)
SF: 16.67% | DEN: 1.33
California Scorpionfish - Scorpionfish
(Scorpaena guttata)
SF: 16.67% | DEN: 1.67
Giant Kelpfish - Clinid
(Heterostichus rostratus)
SF: 16.67% | DEN: 1.33
Giant Keyhole Limpet - Mollusks
(Megathura crenulata)
SF: 16.67% | DEN: 2.5
Green Abalone - Mollusks
(Haliotis fulgens)
SF: 16.67% | DEN: 1.5
Guadalupe Cardinalfish - Cardinalfish
(Apogon guadalupensis)
SF: 16.67% | DEN: 1.67
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 16.67% | DEN: 2.33
Oarweed - Algae
(Laminaria farlowii)
SF: 16.67% | DEN: 3.5
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 16.67% | DEN: 3
Silversides spp. - Silverside
(Atherinidae spp.)
SF: 16.67% | DEN: 3.33
Southern Staghorn Bryozoan - Bryozoans
(Diaperoforma californica)
SF: 16.67% | DEN: 2.5
Spiny Brittlestar - Echinoderms
(Ophiothrix spiculata)
SF: 16.67% | DEN: 2
Zebra Goby - Goby
(Lythrypnus zebra)
SF: 16.67% | DEN: 2.33
California Sea Cucumber - Echinoderms
(Parastichopus californicus)
SF: 8.33% | DEN: 2
Fluted Bryozoan - Bryozoans
(Primavelans insculpta)
SF: 8.33% | DEN: 1
Kellet's Whelk - Mollusks
(Kelletia kelletii)
SF: 8.33% | DEN: 1
Light-bulb Tunicate - Urochordates
(Clavelina huntsmani)
SF: 8.33% | DEN: 3
Masking/Sheep Crab - Arthropods
(Loxorthynchus crispatus (L. grandis))
SF: 8.33% | DEN: 1
Opalescent Nudibranch - Mollusks
(Hermissenda crassicornis / opalescens)
SF: 8.33% | DEN: 1
Orange Cup Coral - Cnidarians
(Balanophyllia elegans)
SF: 8.33% | DEN: 2
Pink Abalone - Mollusks
(Haliotis corrugata)
SF: 8.33% | DEN: 1
Red Rock Shrimp - Arthropods
(Lysmata californica)
SF: 8.33% | DEN: 2
Red Sea Hare - Mollusks
(Aplysia californica)
SF: 8.33% | DEN: 1
Red Volcano Sponge - Poriferans
(Acamus erithacus)
SF: 8.33% | DEN: 2
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 8.33% | DEN: 1
Two-spot Octopus - Mollusks
(Octopus bimaculatus)
SF: 8.33% | DEN: 1
Crevice Kelpfish - Clinid
(Gibbonsia montereyensis)
SF: 5.56% | DEN: 1
Finescale Triggerfish - Leatherjacket
(Balistes polylepis)
SF: 5.56% | DEN: 1
Giant Sea Bass - Wreckfish
(Stereolepis gigas)
SF: 5.56% | DEN: 1
Gopher Rockfish - Scorpionfish
(Sebastes carnatus)
SF: 5.56% | DEN: 1
Horn Shark - Bullhead Shark
(Heterodontus francisci)
SF: 5.56% | DEN: 1
Jack Mackerel - Jack
(Trachurus symmetricus)
SF: 5.56% | DEN: 4
Kelp Greenling - Greenling
(Hexagrammos decagrammus)
SF: 5.56% | DEN: 2
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 5.56% | DEN: 2
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 5.56% | DEN: 2
Rubberlip Seaperch - Surfperch
(Rhacochilus toxotes)
SF: 5.56% | DEN: 3
Sargo - Grunt
(Anisotremus davidsoni)
SF: 5.56% | DEN: 2
Unidentified Rockfish - Scorpionfish
(Sebastes sp.)
SF: 5.56% | DEN: 1
Zebraperch - Sea Chub
(Hermosilla azurea)
SF: 5.56% | DEN: 2