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Region: PAC

Geographic Zones: California - Zone 4 » SOUTHERN CALIFORNIA - Zone 42 » Northern Channel Islands - Zone 4202 » Santa Cruz Island - Zone 420203 » Yellow Banks - Zone 42020302

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

Dates: 1/1/93 - 11/27/25

Total Surveys: 16

#Species Reported: 83

Average Species Reported on a Survey by Expert Surveyors: 27.42

Average Species Reported on a Survey by Novice Surveyors: 26.75

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)
4California30900412:25
42SOUTHERN CALIFORNIA30900412:25
4202Northern Channel Islands30900412:25
420203Santa Cruz Island30900412:25
42020302Yellow Banks30900412:25
TOTALS30900412:25

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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Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 100% | DEN: 3.69
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 100% | DEN: 2.31
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 100% | DEN: 2.85
Senorita - Wrasse
(Oxyjulis californica)
SF: 100% | DEN: 3.44
Spiny Lobster - Arthropods
(Panulirus interruptus)
SF: 100% | DEN: 2.54
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 93.75% | DEN: 2.87
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 87.5% | DEN: 2.21
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 87.5% | DEN: 2.93
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 84.62% | DEN: 3.45
Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 81.25% | DEN: 2.23
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 75% | DEN: 2.25
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 75% | DEN: 2.08
Bat Star - Echinoderms
(Patiria miniata)
SF: 69.23% | DEN: 2.22
Orange Cup Coral - Cnidarians
(Balanophyllia elegans)
SF: 69.23% | DEN: 3.89
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 69.23% | DEN: 2.56
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 69.23% | DEN: 1
Olive Rockfish - Scorpionfish
(Sebastes serranoides)
SF: 68.75% | DEN: 2
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 62.5% | DEN: 2.7
Rubberlip Seaperch - Surfperch
(Rhacochilus toxotes)
SF: 62.5% | DEN: 2.5
Chestnut Cowry - Mollusks
(Cypraea spadicea)
SF: 61.54% | DEN: 2.63
Red Gorgonian - Cnidarians
(Leptogorgia chilensis)
SF: 61.54% | DEN: 3
Gopher Rockfish - Scorpionfish
(Sebastes carnatus)
SF: 56.25% | DEN: 1.67
Opaleye - Sea Chub
(Girella nigricans)
SF: 56.25% | DEN: 2.33
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 53.85% | DEN: 2.43
Southern Sea Palm - Algae
(Eisenia arborea)
SF: 53.85% | DEN: 2.86
Blue Rockfish (was Blue-blotched species) - Scorpionfish
(Sebastes mystinus)
SF: 50% | DEN: 2.88
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 46.15% | DEN: 2.17
Giant Keyhole Limpet - Mollusks
(Megathura crenulata)
SF: 46.15% | DEN: 2.33
Copper Rockfish - Scorpionfish
(Sebastes caurinus)
SF: 43.75% | DEN: 2
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 43.75% | DEN: 2.29
Brown Gorgonian - Cnidarians
(Muricea fruticosa)
SF: 38.46% | DEN: 2
Red Turban Snail - Mollusks
(Lithopoma gibberosum)
SF: 38.46% | DEN: 2.6
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 38.46% | DEN: 2.2
Spiny Brittlestar - Echinoderms
(Ophiothrix spiculata)
SF: 38.46% | DEN: 3
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 38.46% | DEN: 2.2
Rainbow Seaperch - Surfperch
(Hypsurus caryi)
SF: 37.5% | DEN: 2.17
Black-and-Yellow Rockfish - Scorpionfish
(Sebastes chrysomelas)
SF: 31.25% | DEN: 2
Brown Rockfish - Scorpionfish
(Sebastes auriculatus)
SF: 31.25% | DEN: 1.8
Kellet's Whelk - Mollusks
(Kelletia kelletii)
SF: 30.77% | DEN: 2
Two-spot Octopus - Mollusks
(Octopus bimaculatus)
SF: 30.77% | DEN: 1.25
Blue Rockfish - generic ID - Scorpionfish
(Sebastes mystinus/diaconus)
SF: 25% | DEN: 3
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 25% | DEN: 2.25
Horn Shark - Bullhead Shark
(Heterodontus francisci)
SF: 25% | DEN: 1.5
Red Abalone - Mollusks
(Haliotis rufescens)
SF: 23.08% | DEN: 2.33
Red Rock Shrimp - Arthropods
(Lysmata californica)
SF: 23.08% | DEN: 3
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 23.08% | DEN: 2
Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 18.75% | DEN: 2.33
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 18.75% | DEN: 1.33
Yellowtail Rockfish - Scorpionfish
(Sebastes flavidus)
SF: 18.75% | DEN: 2.67
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 15.38% | DEN: 1.5
Red Sea Hare - Mollusks
(Aplysia californica)
SF: 15.38% | DEN: 2
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 15.38% | DEN: 2
Bat Ray - Eagle Ray
(Myliobatis californica)
SF: 12.5% | DEN: 1
Cabezon - Longfin Sculpins
(Scorpaenichthys marmoratus)
SF: 12.5% | DEN: 1
California Scorpionfish - Scorpionfish
(Scorpaena guttata)
SF: 12.5% | DEN: 1
Giant Kelpfish - Clinid
(Heterostichus rostratus)
SF: 12.5% | DEN: 1
Grass Rockfish - Scorpionfish
(Sebastes rastrelliger)
SF: 12.5% | DEN: 1.5
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 12.5% | DEN: 2
California Sea Cucumber - Echinoderms
(Parastichopus californicus)
SF: 7.69% | DEN: 2
Crowned Urchin - Echinoderms
(Centrostphanus coronatus)
SF: 7.69% | DEN: 3
Eccentric Sand Dollar - Echinoderms
(Dendraster excentricus)
SF: 7.69% | DEN: 4
Feather Duster Worm (E. polymorpha) - Annelids
(Eudistylia polymorpha)
SF: 7.69% | DEN: 2
Green Abalone - Mollusks
(Haliotis fulgens)
SF: 7.69% | DEN: 1
Masking/Sheep Crab - Arthropods
(Loxorthynchus crispatus (L. grandis))
SF: 7.69% | DEN: 2
Purple Hydrocoral - Cnidarians
(Stylaster califrnicus)
SF: 7.69% | DEN: 2
Red Octopus - Mollusks
(Octopus rubescens)
SF: 7.69% | DEN: 1
Sea Lemon - Mollusks
(Peltodoris nobilis)
SF: 7.69% | DEN: 1
Southern Staghorn Bryozoan - Bryozoans
(Diaperoforma californica)
SF: 7.69% | DEN: 1
Spanish Shawl - Mollusks
(Flabellina iodinea)
SF: 7.69% | DEN: 1
White Urchin - Echinoderms
(Lytechinus anamesus)
SF: 7.69% | DEN: 2
Angel Shark - Angel Shark
(Squatina californica)
SF: 6.25% | DEN: 1
Black Croaker - Drum
(Cheilotrema saturnum)
SF: 6.25% | DEN: 1
Blue / Deacon Rockfish YOY - Scorpionfish
(Sebastes mystinus / diaconus (YOY))
SF: 6.25% | DEN: 1
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 6.25% | DEN: 2
Jacksmelt - Silverside
(Atherinopsis californiensis)
SF: 6.25% | DEN: 3
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 6.25% | DEN: 3
Lingcod - Greenling
(Ophiodon elongatus)
SF: 6.25% | DEN: 2
Olive Rockfish YOY - Scorpionfish
(Sebastes serranoides (YOY))
SF: 6.25% | DEN: 2
Speckled Sanddab - Sand Flounder
(Citharichthys stigmaeus)
SF: 6.25% | DEN: 2
Spotted Sand Bass - Sea Bass
(Paralabrax maculatofasciatus)
SF: 6.25% | DEN: 2
Striped Seaperch - Surfperch
(Embiotoca lateralis)
SF: 6.25% | DEN: 1
Swell Shark - Cat Shark
(Cephaloscyllium ventriosum)
SF: 6.25% | DEN: 1
Yellowtail - Jack
(Seriola lalandi)
SF: 6.25% | DEN: 3