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Region: PAC

Geographic Zones: California - Zone 4 » SOUTHERN CALIFORNIA - Zone 42 » Southern Channel Islands - Zone 4203 » Catalina Island - Zone 420302 » Sea Fan Grotto - Zone 42030229

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

Dates: 1/1/93 - 10/22/25

Total Surveys: 28

#Species Reported: 84

Average Species Reported on a Survey by Expert Surveyors: 26.33

Average Species Reported on a Survey by Novice Surveyors: 15.76

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)
4California003721620:06
42SOUTHERN CALIFORNIA003721620:06
4203Southern Channel Islands003721620:06
420302Catalina Island003721620:06
42030229Sea Fan Grotto003721620:06
TOTALS003721620:06

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: 92.31% | DEN: 3.5
Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 92.31% | DEN: 2.79
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 80.77% | DEN: 3.52
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 80.77% | DEN: 2.71
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 80.77% | DEN: 2.9
Senorita - Wrasse
(Oxyjulis californica)
SF: 76.92% | DEN: 2.95
Brown Gorgonian - Cnidarians
(Muricea fruticosa)
SF: 71.43% | DEN: 3
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 69.23% | DEN: 3.06
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 61.9% | DEN: 3.54
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 61.54% | DEN: 2.75
Opaleye - Sea Chub
(Girella nigricans)
SF: 57.69% | DEN: 2.07
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 52.38% | DEN: 3.27
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 52.38% | DEN: 2.27
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 50% | DEN: 2.08
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 46.15% | DEN: 2
Green Abalone - Mollusks
(Haliotis fulgens)
SF: 38.1% | DEN: 1.5
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 38.1% | DEN: 2.5
Spiny Lobster - Arthropods
(Panulirus interruptus)
SF: 38.1% | DEN: 1.63
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 34.62% | DEN: 3.11
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 34.62% | DEN: 2.56
Cobalt Sponge - Poriferans
(Hymenamphiastra cyanocrypta)
SF: 33.33% | DEN: 0.29
Crowned Urchin - Echinoderms
(Centrostphanus coronatus)
SF: 33.33% | DEN: 3.71
Kellet's Whelk - Mollusks
(Kelletia kelletii)
SF: 33.33% | DEN: 1.71
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 33.33% | DEN: 2
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 33.33% | DEN: 2.57
California Scorpionfish - Scorpionfish
(Scorpaena guttata)
SF: 30.77% | DEN: 1.63
Oarweed - Algae
(Laminaria farlowii)
SF: 28.57% | DEN: 3.17
Red Gorgonian - Cnidarians
(Leptogorgia chilensis)
SF: 28.57% | DEN: 2.5
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 28.57% | DEN: 1.67
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 26.92% | DEN: 2.86
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 26.92% | DEN: 2.43
Red Sea Hare - Mollusks
(Aplysia californica)
SF: 23.81% | DEN: 2.4
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 23.08% | DEN: 2.83
Giant Kelpfish - Clinid
(Heterostichus rostratus)
SF: 19.23% | DEN: 1.8
California Sea Cucumber - Echinoderms
(Parastichopus californicus)
SF: 19.05% | DEN: 2.5
Christmas Tree Worm - Annelids
(Spirobranchus spinosus)
SF: 19.05% | DEN: 1.75
Giant Keyhole Limpet - Mollusks
(Megathura crenulata)
SF: 19.05% | DEN: 1.75
Southern Sea Palm - Algae
(Eisenia arborea)
SF: 19.05% | DEN: 3
Zebra Goby - Goby
(Lythrypnus zebra)
SF: 15.38% | DEN: 2
Red Volcano Sponge - Poriferans
(Acamus erithacus)
SF: 14.29% | DEN: 1.33
Unidentified Abalone - Mollusks
(Haliotis sp.)
SF: 14.29% | DEN: 2
C-O Sole - Righteye Flounder
(Pleuronichthys coenosus)
SF: 11.54% | DEN: 1
California Moray - Moray
(Gymnothorax mordax)
SF: 11.54% | DEN: 1.67
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 11.54% | DEN: 1
Orange Cup Coral - Cnidarians
(Balanophyllia elegans)
SF: 9.52% | DEN: 3
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 9.52% | DEN: 2
Red Rock Shrimp - Arthropods
(Lysmata californica)
SF: 9.52% | DEN: 2.5
Southern Staghorn Bryozoan - Bryozoans
(Diaperoforma californica)
SF: 9.52% | DEN: 3
Spanish Shawl - Mollusks
(Flabellina iodinea)
SF: 9.52% | DEN: 2
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 9.52% | DEN: 1.5
Horn Shark - Bullhead Shark
(Heterodontus francisci)
SF: 7.69% | DEN: 1
Jacksmelt - Silverside
(Atherinopsis californiensis)
SF: 7.69% | DEN: 4
Kelp Greenling - Greenling
(Hexagrammos decagrammus)
SF: 7.69% | DEN: 2
Sargo - Grunt
(Anisotremus davidsoni)
SF: 7.69% | DEN: 1.5
Bat Star - Echinoderms
(Patiria miniata)
SF: 4.76% | DEN: 4
Chestnut Cowry - Mollusks
(Cypraea spadicea)
SF: 4.76% | DEN: 2
Red Abalone - Mollusks
(Haliotis rufescens)
SF: 4.76% | DEN: 1
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 4.76% | DEN: 3
Red Turban Snail - Mollusks
(Lithopoma gibberosum)
SF: 4.76% | DEN: 3
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 4.76% | DEN: 0
Sunflower Star - Echinoderms
(Pycnopodia helianthoides)
SF: 4.76% | DEN: 2
White-spotted Anemone - Cnidarians
(Urticina sp.)
SF: 4.76% | DEN: 2
Barred Sand Bass - Sea Bass
(Paralabrax nebulifer)
SF: 3.85% | DEN: 3
Black-and-Yellow Rockfish - Scorpionfish
(Sebastes chrysomelas)
SF: 3.85% | DEN: 1
Brown Rockfish - Scorpionfish
(Sebastes auriculatus)
SF: 3.85% | DEN: 1
Cabezon - Longfin Sculpins
(Scorpaenichthys marmoratus)
SF: 3.85% | DEN: 1
Copper Rockfish - Scorpionfish
(Sebastes caurinus)
SF: 3.85% | DEN: 1
Giant Sea Bass - Wreckfish
(Stereolepis gigas)
SF: 3.85% | DEN: 1
Gopher Rockfish - Scorpionfish
(Sebastes carnatus)
SF: 3.85% | DEN: 1
Grass Rockfish - Scorpionfish
(Sebastes rastrelliger)
SF: 3.85% | DEN: 2
Northern Anchovy - Anchovy
(Engraulis mordax)
SF: 3.85% | DEN: 4
Ocean Sunfish - Mola
(Mola mola)
SF: 3.85% | DEN: 1
Ocean Whitefish - Tilefish
(Caulolatilus princeps)
SF: 3.85% | DEN: 2
Pacific Bonito - Mackerel
(Sarda chiliensis)
SF: 3.85% | DEN: 3
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 3.85% | DEN: 3
Rainbow Scorpionfish - Scorpionfish
(Scorpaenodes xyris)
SF: 3.85% | DEN: 3
Rainbow Seaperch - Surfperch
(Hypsurus caryi)
SF: 3.85% | DEN: 1
Rubberlip Seaperch - Surfperch
(Rhacochilus toxotes)
SF: 3.85% | DEN: 2
Salema - Grunt
(Xenistius californiensis)
SF: 3.85% | DEN: 3
Shiner Perch - Surfperch
(Cymatogaster aggregata)
SF: 3.85% | DEN: 2
Silversides spp. - Silverside
(Atherinidae spp.)
SF: 3.85% | DEN: 4
Speckled Sanddab - Sand Flounder
(Citharichthys stigmaeus)
SF: 3.85% | DEN: 2
Tubesnout - Tubesnout
(Aulorhynchus flavidus)
SF: 3.85% | DEN: 4
Unidentified Rockfish - Scorpionfish
(Sebastes sp.)
SF: 3.85% | DEN: 1