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Region: PAC

Geographic Zones: California - Zone 4 » SOUTHERN CALIFORNIA - Zone 42 » Northern Channel Islands - Zone 4202 » Anacapa Island - Zone 420204 » Middle reef - Backside Anacapa - Zone 42020419

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

Dates: 1/1/93 - 10/19/25

Total Surveys: 7

#Species Reported: 61

Average Species Reported on a Survey by Expert Surveyors: 21.00

Average Species Reported on a Survey by Novice Surveyors: 21.20

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)
4California0023025:09
42SOUTHERN CALIFORNIA0023025:09
4202Northern Channel Islands0023025:09
420204Anacapa Island0023025:09
42020419Middle reef - Backside Anacapa0023025:09
TOTALS0023025:09

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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Bat Star - Echinoderms
(Patiria miniata)
SF: 100% | DEN: 2.5
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 100% | DEN: 2.75
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 100% | DEN: 2.29
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 85.71% | DEN: 2.67
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 85.71% | DEN: 3.17
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 85.71% | DEN: 3.83
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 85.71% | DEN: 2.33
Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 85.71% | DEN: 2.5
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 85.71% | DEN: 2
Senorita - Wrasse
(Oxyjulis californica)
SF: 85.71% | DEN: 2.33
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 75% | DEN: 2.67
Southern Sea Palm - Algae
(Eisenia arborea)
SF: 75% | DEN: 3
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 75% | DEN: 2.67
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 75% | DEN: 2.33
Opaleye - Sea Chub
(Girella nigricans)
SF: 71.43% | DEN: 2.6
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 71.43% | DEN: 2.6
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 57.14% | DEN: 1.5
Brown Gorgonian - Cnidarians
(Muricea fruticosa)
SF: 50% | DEN: 2.5
Giant Keyhole Limpet - Mollusks
(Megathura crenulata)
SF: 50% | DEN: 2.5
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 50% | DEN: 2
Orange Cup Coral - Cnidarians
(Balanophyllia elegans)
SF: 50% | DEN: 2.5
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 50% | DEN: 2
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 50% | DEN: 3
Red Gorgonian - Cnidarians
(Leptogorgia chilensis)
SF: 50% | DEN: 3
Red Sea Hare - Mollusks
(Aplysia californica)
SF: 50% | DEN: 2.5
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 50% | DEN: 2.5
Spanish Shawl - Mollusks
(Flabellina iodinea)
SF: 50% | DEN: 3
Spiny Brittlestar - Echinoderms
(Ophiothrix spiculata)
SF: 50% | DEN: 3.5
Spiny Lobster - Arthropods
(Panulirus interruptus)
SF: 50% | DEN: 3
Blue Rockfish - generic ID - Scorpionfish
(Sebastes mystinus/diaconus)
SF: 42.86% | DEN: 1.67
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 42.86% | DEN: 2
Black-and-Yellow Rockfish - Scorpionfish
(Sebastes chrysomelas)
SF: 28.57% | DEN: 1
California Scorpionfish - Scorpionfish
(Scorpaena guttata)
SF: 28.57% | DEN: 1.5
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 28.57% | DEN: 2
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 28.57% | DEN: 2
Unidentified Sculpin - Marine Sculpins
(Psychrolutidae spp.)
SF: 28.57% | DEN: 1
Christmas Tree Worm - Annelids
(Spirobranchus spinosus)
SF: 25% | DEN: 3
Crowned Urchin - Echinoderms
(Centrostphanus coronatus)
SF: 25% | DEN: 3
Feather Duster Worm (E. polymorpha) - Annelids
(Eudistylia polymorpha)
SF: 25% | DEN: 3
Leather Star - Echinoderms
(Dermasterias imbricata)
SF: 25% | DEN: 2
Lewis' Moonsnail - Mollusks
(Neverita lewisii)
SF: 25% | DEN: 2
Masking/Sheep Crab - Arthropods
(Loxorthynchus crispatus (L. grandis))
SF: 25% | DEN: 1
Opalescent Nudibranch - Mollusks
(Hermissenda crassicornis / opalescens)
SF: 25% | DEN: 2
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 25% | DEN: 4
San Diego Dorid / Northern Leopard Dorid - Mollusks
(Diaulula sandiegensis / odonoghuei)
SF: 25% | DEN: 1
Southern Staghorn Bryozoan - Bryozoans
(Diaperoforma californica)
SF: 25% | DEN: 2
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 25% | DEN: 0
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 25% | DEN: 2
White Urchin - Echinoderms
(Lytechinus anamesus)
SF: 25% | DEN: 3
Black Rockfish - Scorpionfish
(Sebastes melanops)
SF: 14.29% | DEN: 1
California Halibut - Sand Flounder
(Paralichthys californicus)
SF: 14.29% | DEN: 1
Copper Rockfish - Scorpionfish
(Sebastes caurinus)
SF: 14.29% | DEN: 1
Giant Kelpfish - Clinid
(Heterostichus rostratus)
SF: 14.29% | DEN: 1
Grass Rockfish - Scorpionfish
(Sebastes rastrelliger)
SF: 14.29% | DEN: 1
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 14.29% | DEN: 2
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 14.29% | DEN: 2
Olive Rockfish - Scorpionfish
(Sebastes serranoides)
SF: 14.29% | DEN: 2
Orangethroat Pikeblenny - Blenny (pike, tube and flag)
(Chaenopsis alepidota)
SF: 14.29% | DEN: 2
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 14.29% | DEN: 2
Yellowtail - Jack
(Seriola lalandi)
SF: 14.29% | DEN: 3
Zebra Goby - Goby
(Lythrypnus zebra)
SF: 14.29% | DEN: 1