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Region: PAC

Geographic Zones: California - Zone 4 » SOUTHERN CALIFORNIA - Zone 42 » Southern Channel Islands - Zone 4203 » Catalina Island - Zone 420302 » Torqua Springs - Zone 42030207

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

Dates: 1/1/93 - 10/20/25

Total Surveys: 32

#Species Reported: 81

Average Species Reported on a Survey by Expert Surveyors: 22.43

Average Species Reported on a Survey by Novice Surveyors: 15.72

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)
4California1013321328:15
42SOUTHERN CALIFORNIA1013321328:15
4203Southern Channel Islands1013321328:15
420302Catalina Island1013321328:15
42030207Torqua Springs1013321328:15
TOTALS1013321328:15

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: 3
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 96.67% | DEN: 3.69
Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 93.33% | DEN: 3.71
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 93.33% | DEN: 2.68
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 93.33% | DEN: 3.21
Crowned Urchin - Echinoderms
(Centrostphanus coronatus)
SF: 82.14% | DEN: 3.04
Spiny Lobster - Arthropods
(Panulirus interruptus)
SF: 82.14% | DEN: 2.04
Senorita - Wrasse
(Oxyjulis californica)
SF: 80% | DEN: 2.67
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 76.67% | DEN: 2.57
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 76.67% | DEN: 2.65
Opaleye - Sea Chub
(Girella nigricans)
SF: 73.33% | DEN: 2.59
Southern Sea Palm - Algae
(Eisenia arborea)
SF: 57.14% | DEN: 2.38
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 57.14% | DEN: 2.19
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 53.57% | DEN: 2.27
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 50% | DEN: 3.36
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 46.67% | DEN: 2.36
Giant Kelpfish - Clinid
(Heterostichus rostratus)
SF: 36.67% | DEN: 1.73
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 33.33% | DEN: 2
Sargo - Grunt
(Anisotremus davidsoni)
SF: 30% | DEN: 3
Brown Gorgonian - Cnidarians
(Muricea fruticosa)
SF: 28.57% | DEN: 2
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 26.67% | DEN: 2.5
Yellowtail - Jack
(Seriola lalandi)
SF: 26.67% | DEN: 2
Chestnut Cowry - Mollusks
(Cypraea spadicea)
SF: 25% | DEN: 1.86
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 25% | DEN: 1.86
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 25% | DEN: 2.29
California Scorpionfish - Scorpionfish
(Scorpaena guttata)
SF: 23.33% | DEN: 1.57
Horn Shark - Bullhead Shark
(Heterodontus francisci)
SF: 23.33% | DEN: 1.57
California Sea Cucumber - Echinoderms
(Parastichopus californicus)
SF: 21.43% | DEN: 2.17
Giant Keyhole Limpet - Mollusks
(Megathura crenulata)
SF: 21.43% | DEN: 1.67
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 21.43% | DEN: 1.83
Kellet's Whelk - Mollusks
(Kelletia kelletii)
SF: 21.43% | DEN: 1.83
Two-spot Octopus - Mollusks
(Octopus bimaculatus)
SF: 21.43% | DEN: 1.17
Leopard Shark - Requiem Shark
(Triakis semifasciata)
SF: 20% | DEN: 1.5
Pacific Barracuda - Barracuda
(Sphyraena argentea)
SF: 20% | DEN: 1.83
Salema - Grunt
(Xenistius californiensis)
SF: 20% | DEN: 3.5
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 20% | DEN: 2.17
Cobalt Sponge - Poriferans
(Hymenamphiastra cyanocrypta)
SF: 17.86% | DEN: 0.6
California Moray - Moray
(Gymnothorax mordax)
SF: 16.67% | DEN: 1
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 16.67% | DEN: 1.6
Masking/Sheep Crab - Arthropods
(Loxorthynchus crispatus (L. grandis))
SF: 14.29% | DEN: 1.5
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 14.29% | DEN: 2
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 13.33% | DEN: 1.25
Jack Mackerel - Jack
(Trachurus symmetricus)
SF: 13.33% | DEN: 3
Rubberlip Seaperch - Surfperch
(Rhacochilus toxotes)
SF: 13.33% | DEN: 1.75
Green Abalone - Mollusks
(Haliotis fulgens)
SF: 10.71% | DEN: 1.33
Oarweed - Algae
(Laminaria farlowii)
SF: 10.71% | DEN: 2.67
Red Gorgonian - Cnidarians
(Leptogorgia chilensis)
SF: 10.71% | DEN: 1.67
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 10.71% | DEN: 1
C-O Sole - Righteye Flounder
(Pleuronichthys coenosus)
SF: 10% | DEN: 1.67
Zebraperch - Sea Chub
(Hermosilla azurea)
SF: 10% | DEN: 2
Red Turban Snail - Mollusks
(Lithopoma gibberosum)
SF: 7.14% | DEN: 2.5
Southern Staghorn Bryozoan - Bryozoans
(Diaperoforma californica)
SF: 7.14% | DEN: 2
Angel Shark - Angel Shark
(Squatina californica)
SF: 6.67% | DEN: 2
Cabezon - Longfin Sculpins
(Scorpaenichthys marmoratus)
SF: 6.67% | DEN: 1
Dwarf Perch - Surfperch
(Micrometrus minimus)
SF: 6.67% | DEN: 2.5
Pacific Electric Ray - Electric Ray
(Torpedo californica)
SF: 6.67% | DEN: 1
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 6.67% | DEN: 2
Plain Cardinalfish - Cardinalfish
(Apogon atricaudus)
SF: 6.67% | DEN: 1.5
Round Stingray - Round Stingray
(Urolophus halleri)
SF: 6.67% | DEN: 1
Shovelnose Guitarfish - Guitarfish
(Rhinobatos productus)
SF: 6.67% | DEN: 1
Silversides spp. - Silverside
(Atherinidae spp.)
SF: 6.67% | DEN: 3.5
Speckled Sanddab - Sand Flounder
(Citharichthys stigmaeus)
SF: 6.67% | DEN: 1
Topsmelt - Silverside
(Atherinops affinis)
SF: 6.67% | DEN: 4
Zebra Goby - Goby
(Lythrypnus zebra)
SF: 6.67% | DEN: 2
Christmas Tree Worm - Annelids
(Spirobranchus spinosus)
SF: 3.57% | DEN: 3
Feather Duster Worm (E. polymorpha) - Annelids
(Eudistylia polymorpha)
SF: 3.57% | DEN: 2
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 3.57% | DEN: 2
Red Rock Shrimp - Arthropods
(Lysmata californica)
SF: 3.57% | DEN: 3
Sea Lemon - Mollusks
(Peltodoris nobilis)
SF: 3.57% | DEN: 2
Spiny Brittlestar - Echinoderms
(Ophiothrix spiculata)
SF: 3.57% | DEN: 2
Giant Sea Bass - Wreckfish
(Stereolepis gigas)
SF: 3.33% | DEN: 2
Jacksmelt - Silverside
(Atherinopsis californiensis)
SF: 3.33% | DEN: 4
Largemouth Blenny - Labrisomids
(Labrisomus xanti)
SF: 3.33% | DEN: 2
Lingcod - Greenling
(Ophiodon elongatus)
SF: 3.33% | DEN: 1
Ocean Whitefish - Tilefish
(Caulolatilus princeps)
SF: 3.33% | DEN: 2
Pacific Sardine - Herring
(Sardinops sagax)
SF: 3.33% | DEN: 3
Rainbow Scorpionfish - Scorpionfish
(Scorpaenodes xyris)
SF: 3.33% | DEN: 2
Rainbow Seaperch - Surfperch
(Hypsurus caryi)
SF: 3.33% | DEN: 2
Rosy Rockfish - Scorpionfish
(Sebastes rosaceus)
SF: 3.33% | DEN: 2
Spotted Kelpfish - Clinid
(Gibbonsia elegans)
SF: 3.33% | DEN: 2
Unidentified Sculpin - Marine Sculpins
(Psychrolutidae spp.)
SF: 3.33% | DEN: 3