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Region: PAC

Geographic Zones: California - Zone 4 » SOUTHERN CALIFORNIA - Zone 42 » Northern Channel Islands - Zone 4202 » Santa Rosa - Zone 420202 » Eagle Rock - Zone 42020210

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

Dates: 1/1/93 - 10/18/25

Total Surveys: 18

#Species Reported: 67

Average Species Reported on a Survey by Expert Surveyors: 27.00

Average Species Reported on a Survey by Novice Surveyors: 12.25

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)
4California002150113:59
42SOUTHERN CALIFORNIA002150113:59
4202Northern Channel Islands002150113:59
420202Santa Rosa002150113:59
42020210Eagle Rock002150113:59
TOTALS002150113:59

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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Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 100% | DEN: 2.67
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 100% | DEN: 1.67
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 94.44% | DEN: 1.88
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 88.89% | DEN: 2
Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 83.33% | DEN: 2.33
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 83.33% | DEN: 2.6
Senorita - Wrasse
(Oxyjulis californica)
SF: 77.78% | DEN: 2.86
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 66.67% | DEN: 2.58
Chestnut Cowry - Mollusks
(Cypraea spadicea)
SF: 66.67% | DEN: 2
Orange Cup Coral - Cnidarians
(Balanophyllia elegans)
SF: 66.67% | DEN: 4
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 66.67% | DEN: 3.5
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 66.67% | DEN: 3
Southern Sea Palm - Algae
(Eisenia arborea)
SF: 66.67% | DEN: 2
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 66.67% | DEN: 0.5
Sunflower Star - Echinoderms
(Pycnopodia helianthoides)
SF: 66.67% | DEN: 2.5
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 61.11% | DEN: 2.55
Blue Rockfish - generic ID - Scorpionfish
(Sebastes mystinus/diaconus)
SF: 61.11% | DEN: 2
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 55.56% | DEN: 1.9
Olive Rockfish - Scorpionfish
(Sebastes serranoides)
SF: 50% | DEN: 1.78
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 44.44% | DEN: 2.88
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 44.44% | DEN: 2.38
Opaleye - Sea Chub
(Girella nigricans)
SF: 38.89% | DEN: 2
Bat Star - Echinoderms
(Patiria miniata)
SF: 33.33% | DEN: 2
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 33.33% | DEN: 2
California Sea Cucumber - Echinoderms
(Parastichopus californicus)
SF: 33.33% | DEN: 2
Crowned Urchin - Echinoderms
(Centrostphanus coronatus)
SF: 33.33% | DEN: 3
Feather Duster Worm (E. polymorpha) - Annelids
(Eudistylia polymorpha)
SF: 33.33% | DEN: 4
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 33.33% | DEN: 2
Leather Star - Echinoderms
(Dermasterias imbricata)
SF: 33.33% | DEN: 2
Masking/Sheep Crab - Arthropods
(Loxorthynchus crispatus (L. grandis))
SF: 33.33% | DEN: 1
Oarweed - Algae
(Laminaria farlowii)
SF: 33.33% | DEN: 2
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 33.33% | DEN: 2
Red Volcano Sponge - Poriferans
(Acamus erithacus)
SF: 33.33% | DEN: 2
Sea Lemon - Mollusks
(Peltodoris nobilis)
SF: 33.33% | DEN: 2
Southern Staghorn Bryozoan - Bryozoans
(Diaperoforma californica)
SF: 33.33% | DEN: 2
Spanish Shawl - Mollusks
(Flabellina iodinea)
SF: 33.33% | DEN: 2
Spiny Lobster - Arthropods
(Panulirus interruptus)
SF: 33.33% | DEN: 3
Stalked Tunicate - Urochordates
(Styela montereyensis)
SF: 33.33% | DEN: 2
Two-spot Octopus - Mollusks
(Octopus bimaculatus)
SF: 33.33% | DEN: 1
Black-and-Yellow Rockfish - Scorpionfish
(Sebastes chrysomelas)
SF: 27.78% | DEN: 1.8
Cabezon - Longfin Sculpins
(Scorpaenichthys marmoratus)
SF: 27.78% | DEN: 1
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 27.78% | DEN: 1.8
Speckled Sanddab - Sand Flounder
(Citharichthys stigmaeus)
SF: 27.78% | DEN: 1.8
Brown Rockfish - Scorpionfish
(Sebastes auriculatus)
SF: 22.22% | DEN: 1.5
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 16.67% | DEN: 1.33
Rubberlip Seaperch - Surfperch
(Rhacochilus toxotes)
SF: 16.67% | DEN: 1.33
Scalyhead Sculpin - Marine Sculpins
(Artedius harringtoni)
SF: 16.67% | DEN: 1.67
California Scorpionfish - Scorpionfish
(Scorpaena guttata)
SF: 11.11% | DEN: 1
Coralline Sculpin - Marine Sculpins
(Artedius corallinus)
SF: 11.11% | DEN: 2
Gopher Rockfish - Scorpionfish
(Sebastes carnatus)
SF: 11.11% | DEN: 1
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 11.11% | DEN: 1
Rainbow Seaperch - Surfperch
(Hypsurus caryi)
SF: 11.11% | DEN: 1.5
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 11.11% | DEN: 1
Vermilion Rockfish - Scorpionfish
(Sebastes miniatus)
SF: 11.11% | DEN: 2
Bat Ray - Eagle Ray
(Myliobatis californica)
SF: 5.56% | DEN: 1
Black Rockfish - Scorpionfish
(Sebastes melanops)
SF: 5.56% | DEN: 2
Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 5.56% | DEN: 4
Crevice Kelpfish - Clinid
(Gibbonsia montereyensis)
SF: 5.56% | DEN: 1
Giant Sea Bass - Wreckfish
(Stereolepis gigas)
SF: 5.56% | DEN: 1
Grass Rockfish - Scorpionfish
(Sebastes rastrelliger)
SF: 5.56% | DEN: 1
Kelp Greenling - Greenling
(Hexagrammos decagrammus)
SF: 5.56% | DEN: 2
Lingcod - Greenling
(Ophiodon elongatus)
SF: 5.56% | DEN: 2
Pacific Sanddab - Sand Flounder
(Citharichthys sordidus)
SF: 5.56% | DEN: 1
Rockpool Blenny - Combtooth Blenny
(Hypsoblennius gilberti)
SF: 5.56% | DEN: 1
Southern Rock Sole - Righteye Flounder
(Lepidopsetta bilineata)
SF: 5.56% | DEN: 1
Striped Seaperch - Surfperch
(Embiotoca lateralis)
SF: 5.56% | DEN: 1
Tubesnout - Tubesnout
(Aulorhynchus flavidus)
SF: 5.56% | DEN: 1