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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 » Arrowhead - Zone 42030417

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

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

Total Surveys: 8

#Species Reported: 60

Average Species Reported on a Survey by Expert Surveyors: 23.00

Average Species Reported on a Survey by Novice Surveyors: 18.43

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)
4California0016016:43
42SOUTHERN CALIFORNIA0016016:43
4203Southern Channel Islands0016016:43
420304San Clemente Island0016016:43
42030417Arrowhead0016016:43
TOTALS0016016:43

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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Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 100% | DEN: 2.88
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 100% | DEN: 3
Crowned Urchin - Echinoderms
(Centrostphanus coronatus)
SF: 100% | DEN: 4
Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 100% | DEN: 2.88
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 100% | DEN: 3.5
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 100% | DEN: 2.88
Southern Sea Palm - Algae
(Eisenia arborea)
SF: 100% | DEN: 3.5
Spiny Lobster - Arthropods
(Panulirus interruptus)
SF: 100% | DEN: 3
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 100% | DEN: 2.5
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 87.5% | DEN: 3.43
Opaleye - Sea Chub
(Girella nigricans)
SF: 87.5% | DEN: 2.71
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 87.5% | DEN: 2.43
Senorita - Wrasse
(Oxyjulis californica)
SF: 87.5% | DEN: 3.71
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 62.5% | DEN: 2.6
Giant Kelpfish - Clinid
(Heterostichus rostratus)
SF: 62.5% | DEN: 1.2
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 62.5% | DEN: 2.4
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 50% | DEN: 2
California Scorpionfish - Scorpionfish
(Scorpaena guttata)
SF: 50% | DEN: 1.25
California Sea Cucumber - Echinoderms
(Parastichopus californicus)
SF: 50% | DEN: 3
Chestnut Cowry - Mollusks
(Cypraea spadicea)
SF: 50% | DEN: 1
Cobalt Sponge - Poriferans
(Hymenamphiastra cyanocrypta)
SF: 50% | DEN: 1
Giant Keyhole Limpet - Mollusks
(Megathura crenulata)
SF: 50% | DEN: 2
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 50% | DEN: 2
Green Abalone - Mollusks
(Haliotis fulgens)
SF: 50% | DEN: 1
Kellet's Whelk - Mollusks
(Kelletia kelletii)
SF: 50% | DEN: 1
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 50% | DEN: 2
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 50% | DEN: 2
Red Gorgonian - Cnidarians
(Leptogorgia chilensis)
SF: 50% | DEN: 2
Red Rock Shrimp - Arthropods
(Lysmata californica)
SF: 50% | DEN: 1
Red Volcano Sponge - Poriferans
(Acamus erithacus)
SF: 50% | DEN: 1
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 50% | DEN: 2
Silversides spp. - Silverside
(Atherinidae spp.)
SF: 50% | DEN: 3.25
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 50% | DEN: 2
Zebra Goby - Goby
(Lythrypnus zebra)
SF: 50% | DEN: 2.25
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 37.5% | DEN: 1.67
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 37.5% | DEN: 2
Ocean Whitefish - Tilefish
(Caulolatilus princeps)
SF: 37.5% | DEN: 1.33
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 37.5% | DEN: 1.67
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 37.5% | DEN: 1.33
Barred Sand Bass - Sea Bass
(Paralabrax nebulifer)
SF: 25% | DEN: 1.5
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 25% | DEN: 1.5
Jacksmelt - Silverside
(Atherinopsis californiensis)
SF: 25% | DEN: 3.5
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 25% | DEN: 1.5
Black-and-Yellow Rockfish - Scorpionfish
(Sebastes chrysomelas)
SF: 12.5% | DEN: 1
Cabezon - Longfin Sculpins
(Scorpaenichthys marmoratus)
SF: 12.5% | DEN: 1
California Moray - Moray
(Gymnothorax mordax)
SF: 12.5% | DEN: 2
Chub Mackerel - Mackerel
(Scomber japonicus)
SF: 12.5% | DEN: 3
Horn Shark - Bullhead Shark
(Heterodontus francisci)
SF: 12.5% | DEN: 1
Jack Mackerel - Jack
(Trachurus symmetricus)
SF: 12.5% | DEN: 4
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 12.5% | DEN: 2
Leopard Shark - Requiem Shark
(Triakis semifasciata)
SF: 12.5% | DEN: 1
Lingcod - Greenling
(Ophiodon elongatus)
SF: 12.5% | DEN: 1
Olive Rockfish - Scorpionfish
(Sebastes serranoides)
SF: 12.5% | DEN: 2
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 12.5% | DEN: 3
Sargo - Grunt
(Anisotremus davidsoni)
SF: 12.5% | DEN: 1
Snubnose Sculpin - Marine Sculpins
(Orthonopias triacis)
SF: 12.5% | DEN: 1
Spotted Sand Bass - Sea Bass
(Paralabrax maculatofasciatus)
SF: 12.5% | DEN: 1
Tope Shark - Houndsharks
(Galeorhinus galeus)
SF: 12.5% | DEN: 2
Unidentified Pipefish - Pipefish & Seahorse
(Syngnathidae spp.)
SF: 12.5% | DEN: 2
Unidentified Surfperch - Surfperch
(Embiotocidae spp.)
SF: 12.5% | DEN: 3