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Region: PAC

Geographic Zones: California - Zone 4 » SOUTHERN CALIFORNIA - Zone 42 » Southern Channel Islands - Zone 4203 » Catalina Island - Zone 420302 » Big Geiger Reef - Zone 42030242

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

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

Total Surveys: 10

#Species Reported: 73

Average Species Reported on a Survey by Expert Surveyors: 26.00

Average Species Reported on a Survey by Novice Surveyors: 29.14

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)
4California0030078:26
42SOUTHERN CALIFORNIA0030078:26
4203Southern Channel Islands0030078:26
420302Catalina Island0030078:26
42030242Big Geiger Reef0030078:26
TOTALS0030078:26

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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Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 100% | DEN: 2.8
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 100% | DEN: 3.5
Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 100% | DEN: 3.1
Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 100% | DEN: 2.8
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 100% | DEN: 3.8
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 100% | DEN: 2.9
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 90% | DEN: 2.67
Spiny Lobster - Arthropods
(Panulirus interruptus)
SF: 90% | DEN: 2.44
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 90% | DEN: 1.67
Crowned Urchin - Echinoderms
(Centrostphanus coronatus)
SF: 80% | DEN: 3.13
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 80% | DEN: 1.75
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 80% | DEN: 2.63
Senorita - Wrasse
(Oxyjulis californica)
SF: 80% | DEN: 2.63
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 80% | DEN: 2.63
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 70% | DEN: 2
Oarweed - Algae
(Laminaria farlowii)
SF: 60% | DEN: 2
Opaleye - Sea Chub
(Girella nigricans)
SF: 60% | DEN: 2.33
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 60% | DEN: 2.33
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 60% | DEN: 2.33
Brown Gorgonian - Cnidarians
(Muricea fruticosa)
SF: 50% | DEN: 2.2
California Moray - Moray
(Gymnothorax mordax)
SF: 50% | DEN: 1.8
Christmas Tree Worm - Annelids
(Spirobranchus spinosus)
SF: 50% | DEN: 2.6
Green Abalone - Mollusks
(Haliotis fulgens)
SF: 50% | DEN: 1.4
Kellet's Whelk - Mollusks
(Kelletia kelletii)
SF: 50% | DEN: 1.8
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 50% | DEN: 2.8
Red Rock Shrimp - Arthropods
(Lysmata californica)
SF: 50% | DEN: 2.8
Southern Staghorn Bryozoan - Bryozoans
(Diaperoforma californica)
SF: 50% | DEN: 2.6
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 50% | DEN: 1.4
California Scorpionfish - Scorpionfish
(Scorpaena guttata)
SF: 40% | DEN: 1.25
Horn Shark - Bullhead Shark
(Heterodontus francisci)
SF: 40% | DEN: 1.5
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 40% | DEN: 1.75
Southern Sea Palm - Algae
(Eisenia arborea)
SF: 40% | DEN: 2.5
Feather Duster Worm (E. polymorpha) - Annelids
(Eudistylia polymorpha)
SF: 30% | DEN: 1.67
Giant Kelpfish - Clinid
(Heterostichus rostratus)
SF: 30% | DEN: 1
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 30% | DEN: 2
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 30% | DEN: 1.67
Red Volcano Sponge - Poriferans
(Acamus erithacus)
SF: 30% | DEN: 1.67
Rubberlip Seaperch - Surfperch
(Rhacochilus toxotes)
SF: 30% | DEN: 1.67
Bat Ray - Eagle Ray
(Myliobatis californica)
SF: 20% | DEN: 1
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 20% | DEN: 1
Giant Keyhole Limpet - Mollusks
(Megathura crenulata)
SF: 20% | DEN: 1
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 20% | DEN: 1.5
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 20% | DEN: 2
Light-bulb Tunicate - Urochordates
(Clavelina huntsmani)
SF: 20% | DEN: 2
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 20% | DEN: 2
Rainbow Scorpionfish - Scorpionfish
(Scorpaenodes xyris)
SF: 20% | DEN: 2
Red Gorgonian - Cnidarians
(Leptogorgia chilensis)
SF: 20% | DEN: 1.5
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 20% | DEN: 2
C-O Sole - Righteye Flounder
(Pleuronichthys coenosus)
SF: 10% | DEN: 1
California Sea Cucumber - Echinoderms
(Parastichopus californicus)
SF: 10% | DEN: 2
Chestnut Cowry - Mollusks
(Cypraea spadicea)
SF: 10% | DEN: 1
Cobalt Sponge - Poriferans
(Hymenamphiastra cyanocrypta)
SF: 10% | DEN: 0
Crevice Kelpfish - Clinid
(Gibbonsia montereyensis)
SF: 10% | DEN: 1
Grass Rockfish - Scorpionfish
(Sebastes rastrelliger)
SF: 10% | DEN: 1
Jack Mackerel - Jack
(Trachurus symmetricus)
SF: 10% | DEN: 2
Leather Star - Echinoderms
(Dermasterias imbricata)
SF: 10% | DEN: 2
Masking/Sheep Crab - Arthropods
(Loxorthynchus crispatus (L. grandis))
SF: 10% | DEN: 1
Olive Rockfish - Scorpionfish
(Sebastes serranoides)
SF: 10% | DEN: 3
Pacific Sardine - Herring
(Sardinops sagax)
SF: 10% | DEN: 3
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 10% | DEN: 1
Pink Abalone - Mollusks
(Haliotis corrugata)
SF: 10% | DEN: 2
Red Octopus - Mollusks
(Octopus rubescens)
SF: 10% | DEN: 1
Red Turban Snail - Mollusks
(Lithopoma gibberosum)
SF: 10% | DEN: 1
Silversides spp. - Silverside
(Atherinidae spp.)
SF: 10% | DEN: 3
Snubnose Sculpin - Marine Sculpins
(Orthonopias triacis)
SF: 10% | DEN: 2
Spanish Shawl - Mollusks
(Flabellina iodinea)
SF: 10% | DEN: 1
Spiny Brittlestar - Echinoderms
(Ophiothrix spiculata)
SF: 10% | DEN: 1
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 10% | DEN: 1
Topsmelt - Silverside
(Atherinops affinis)
SF: 10% | DEN: 4
Two-spot Octopus - Mollusks
(Octopus bimaculatus)
SF: 10% | DEN: 2
Unidentified Abalone - Mollusks
(Haliotis sp.)
SF: 10% | DEN: 1
Unidentified Rockfish - Scorpionfish
(Sebastes sp.)
SF: 10% | DEN: 1
Zebra Goby - Goby
(Lythrypnus zebra)
SF: 10% | DEN: 2