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Region: PAC

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

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

Dates: 1/1/93 - 11/3/25

Total Surveys: 552

#Species Reported: 164

Average Species Reported on a Survey by Expert Surveyors: 19.12

Average Species Reported on a Survey by Novice Surveyors: 14.02

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)
4California129058287870393:17
42SOUTHERN CALIFORNIA129058287870393:17
4202Northern Channel Islands129058287870393:17
420204Anacapa Island129058287870393:17
42020401Cat Rock80580920:53
42020402Rat Rock1002200122:58
42020403Coral Reef (Anacapa Sea Cove - West)1709310544:09
42020404Happy Dog Rock2000002:05
42020405Surveyor's Rock4025006:34
42020406Lighthouse / Landing Cove Point10111119:52
42020407Landing Cove / Landing Cove Arch1802640357:28
42020408East Fish Camp2012003:30
42020409West End Anacapa -south side1015015:24
42020410West End Anacapa - north side50070311:07
42020411Underwater Island40260110:32
42020412Arch Rock (Anacapa Island)400250121:32
42020413Goldfish Bowl1505411449:02
42020414Portuguese Rock (Sailboat Cove)40280515:00
42020415Cathedral Cove80102011237:18
42020416Admiral's Cove4004005:54
42020417Winfield Scott1012003:02
42020418Frenchy's Cove6012027:36
42020419Middle reef - Backside Anacapa0023025:09
42020420Garden Spot1013003:51
42020421Gunsight Reef1000000:54
42020422Channels3012036:59
42020423Seabass Reef (Anacapa Island)1000000:45
42020424Underwater Arch at Sea Lion Haulout (southside of island)0001000:40
42020425The Caverns (Anacapa)1005046:43
42020426Landing Cove (Anacapa)20235712:06
42020427Parallel Reefs0000021:18
42020428Bat Cave0010000:47
42020429Far West0010001:06
42020430Landslide (West Anacapa)2001002:01
42020431Upper Aquarium1030002:26
42020432Lower Aquarium0010000:50
42020433Winfield Scott Outside1001001:49
42020434Canyons0004014:11
42020435Trash Dump / Garbage Cove0001000:42
42020436Coral Pinnacle0010000:36
42020437Randy's New Site0010000:55
42020439Twin Bay Point2000001:50
42020440Pelican Preserve - Anacapa Island0000010:49
42020441Amphitheater (Anacapa)0000010:42
42020442Sea Lion Beach (Anacapa)0000010:55
TOTALS129058287870393:17

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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Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 91.91% | DEN: 2.48
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 88.6% | DEN: 2.56
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 87.13% | DEN: 3.6
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 86.03% | DEN: 2.53
Senorita - Wrasse
(Oxyjulis californica)
SF: 81.99% | DEN: 3.05
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 76.47% | DEN: 3.26
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 72.43% | DEN: 2.74
Opaleye - Sea Chub
(Girella nigricans)
SF: 71.88% | DEN: 2.55
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 67.28% | DEN: 2.28
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 64.52% | DEN: 2.26
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 61.03% | DEN: 3.2
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 59.93% | DEN: 2.23
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 59.56% | DEN: 2.59
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 55.88% | DEN: 2.29
Red Gorgonian - Cnidarians
(Leptogorgia chilensis)
SF: 54.41% | DEN: 2.19
Bat Star - Echinoderms
(Patiria miniata)
SF: 52.21% | DEN: 2.76
Spiny Lobster - Arthropods
(Panulirus interruptus)
SF: 50.74% | DEN: 2.12
Spanish Shawl - Mollusks
(Flabellina iodinea)
SF: 50% | DEN: 1.87
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 49.26% | DEN: 2.33
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 47.06% | DEN: 2.98
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 43.75% | DEN: 2.21
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 41.91% | DEN: 2.05
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 41.91% | DEN: 2.28
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 40.26% | DEN: 1.78
Crowned Urchin - Echinoderms
(Centrostphanus coronatus)
SF: 39.71% | DEN: 2.83
Giant Keyhole Limpet - Mollusks
(Megathura crenulata)
SF: 39.71% | DEN: 2.39
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 38.97% | DEN: 2.47
Southern Sea Palm - Algae
(Eisenia arborea)
SF: 37.5% | DEN: 3.04
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 33.64% | DEN: 1.63
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 33.27% | DEN: 1.86
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 33.09% | DEN: 2.42
Chestnut Cowry - Mollusks
(Cypraea spadicea)
SF: 31.62% | DEN: 1.88
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 31.62% | DEN: 0.47
Red Sea Hare - Mollusks
(Aplysia californica)
SF: 30.88% | DEN: 1.86
Spiny Brittlestar - Echinoderms
(Ophiothrix spiculata)
SF: 28.68% | DEN: 3.44
Kellet's Whelk - Mollusks
(Kelletia kelletii)
SF: 27.94% | DEN: 2.32
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 24.26% | DEN: 2
Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 22.06% | DEN: 2.17
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 21.14% | DEN: 2.27
Rubberlip Seaperch - Surfperch
(Rhacochilus toxotes)
SF: 19.12% | DEN: 1.8
Blue Rockfish - generic ID - Scorpionfish
(Sebastes mystinus/diaconus)
SF: 18.38% | DEN: 2.24
Brown Gorgonian - Cnidarians
(Muricea fruticosa)
SF: 17.65% | DEN: 1.88
California Sea Cucumber - Echinoderms
(Parastichopus californicus)
SF: 16.91% | DEN: 2.3
Giant Kelpfish - Clinid
(Heterostichus rostratus)
SF: 16.54% | DEN: 1.58
Olive Rockfish - Scorpionfish
(Sebastes serranoides)
SF: 15.63% | DEN: 1.78
Bat Ray - Eagle Ray
(Myliobatis californica)
SF: 14.89% | DEN: 1.37
Christmas Tree Worm - Annelids
(Spirobranchus spinosus)
SF: 14.71% | DEN: 2.85
Feather Duster Worm (E. polymorpha) - Annelids
(Eudistylia polymorpha)
SF: 14.71% | DEN: 2.35
Orange Cup Coral - Cnidarians
(Balanophyllia elegans)
SF: 14.71% | DEN: 2.85
California Scorpionfish - Scorpionfish
(Scorpaena guttata)
SF: 12.68% | DEN: 1.22
White Urchin - Echinoderms
(Lytechinus anamesus)
SF: 12.5% | DEN: 2.59
Oarweed - Algae
(Laminaria farlowii)
SF: 11.76% | DEN: 3.25
Horn Shark - Bullhead Shark
(Heterodontus francisci)
SF: 11.03% | DEN: 1.2
Ocean Whitefish - Tilefish
(Caulolatilus princeps)
SF: 11.03% | DEN: 1.88
Southern Staghorn Bryozoan - Bryozoans
(Diaperoforma californica)
SF: 11.03% | DEN: 2.67
Black-and-Yellow Rockfish - Scorpionfish
(Sebastes chrysomelas)
SF: 9.74% | DEN: 1.42
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 9.74% | DEN: 2.64
Opalescent Nudibranch - Mollusks
(Hermissenda crassicornis / opalescens)
SF: 8.82% | DEN: 1.67
Red Volcano Sponge - Poriferans
(Acamus erithacus)
SF: 8.09% | DEN: 1.73
Two-spot Octopus - Mollusks
(Octopus bimaculatus)
SF: 8.09% | DEN: 1.09
Cabezon - Longfin Sculpins
(Scorpaenichthys marmoratus)
SF: 7.72% | DEN: 1.19
Cobalt Sponge - Poriferans
(Hymenamphiastra cyanocrypta)
SF: 7.35% | DEN: 0.8
Colonial Sand-tube Worm - Annelids
(Phragmatopoma californica)
SF: 7.35% | DEN: 0.5
Gopher Rockfish - Scorpionfish
(Sebastes carnatus)
SF: 7.35% | DEN: 1.43
Zebra Goby - Goby
(Lythrypnus zebra)
SF: 7.17% | DEN: 1.46
Lacy Bryozoan - Bryozoans
(Phidolopora pacifica)
SF: 6.62% | DEN: 2.89
Striped Seaperch - Surfperch
(Embiotoca lateralis)
SF: 6.62% | DEN: 1.78
Lingcod - Greenling
(Ophiodon elongatus)
SF: 6.43% | DEN: 1.29
Masking/Sheep Crab - Arthropods
(Loxorthynchus crispatus (L. grandis))
SF: 5.88% | DEN: 1.38
Fluted Bryozoan - Bryozoans
(Primavelans insculpta)
SF: 5.15% | DEN: 2.86
San Diego Dorid / Northern Leopard Dorid - Mollusks
(Diaulula sandiegensis / odonoghuei)
SF: 5.15% | DEN: 1.29
Brown Rockfish - Scorpionfish
(Sebastes auriculatus)
SF: 4.6% | DEN: 1.48
Copper Rockfish - Scorpionfish
(Sebastes caurinus)
SF: 4.41% | DEN: 1.13
Purple Hydrocoral - Cnidarians
(Stylaster califrnicus)
SF: 4.41% | DEN: 2.5
Sea Lemon - Mollusks
(Peltodoris nobilis)
SF: 4.41% | DEN: 1.33
Unidentified Sculpin - Marine Sculpins
(Psychrolutidae spp.)
SF: 4.41% | DEN: 1.29
Kelp Greenling - Greenling
(Hexagrammos decagrammus)
SF: 4.23% | DEN: 2.09
Speckled Sanddab - Sand Flounder
(Citharichthys stigmaeus)
SF: 4.23% | DEN: 1.74
Silversides spp. - Silverside
(Atherinidae spp.)
SF: 4.04% | DEN: 3.32
Snubnose Sculpin - Marine Sculpins
(Orthonopias triacis)
SF: 3.86% | DEN: 1.29
Barred Sand Bass - Sea Bass
(Paralabrax nebulifer)
SF: 3.68% | DEN: 2.05
Light-bulb Tunicate - Urochordates
(Clavelina huntsmani)
SF: 3.68% | DEN: 2
Red Rock Shrimp - Arthropods
(Lysmata californica)
SF: 3.68% | DEN: 2.2
Red Turban Snail - Mollusks
(Lithopoma gibberosum)
SF: 3.68% | DEN: 2.6
C-O Sole - Righteye Flounder
(Pleuronichthys coenosus)
SF: 3.49% | DEN: 1.11
Giant Sea Bass - Wreckfish
(Stereolepis gigas)
SF: 3.31% | DEN: 1.44
Jacksmelt - Silverside
(Atherinopsis californiensis)
SF: 3.13% | DEN: 3.29
Topsmelt - Silverside
(Atherinops affinis)
SF: 3.13% | DEN: 3.29
Unidentified Kelpfish - Clinid
(Clinidae spp.)
SF: 3.13% | DEN: 1.88
Lewis' Moonsnail - Mollusks
(Neverita lewisii)
SF: 2.94% | DEN: 1.75
Pink Abalone - Mollusks
(Haliotis corrugata)
SF: 2.94% | DEN: 1
Sunflower Star - Echinoderms
(Pycnopodia helianthoides)
SF: 2.94% | DEN: 1.5
California Moray - Moray
(Gymnothorax mordax)
SF: 2.76% | DEN: 1.07
Crevice Kelpfish - Clinid
(Gibbonsia montereyensis)
SF: 2.76% | DEN: 1.33
Grass Rockfish - Scorpionfish
(Sebastes rastrelliger)
SF: 2.57% | DEN: 1.29
Sargo - Grunt
(Anisotremus davidsoni)
SF: 2.57% | DEN: 1.93
Jack Mackerel - Jack
(Trachurus symmetricus)
SF: 2.39% | DEN: 3.46
Spotted Kelpfish - Clinid
(Gibbonsia elegans)
SF: 2.39% | DEN: 1.31
Black Rockfish - Scorpionfish
(Sebastes melanops)
SF: 2.21% | DEN: 1.83
California Halibut - Sand Flounder
(Paralichthys californicus)
SF: 2.21% | DEN: 1.08
Leather Star - Echinoderms
(Dermasterias imbricata)
SF: 2.21% | DEN: 2.33
Red Octopus - Mollusks
(Octopus rubescens)
SF: 2.21% | DEN: 1.33
Unidentified Rockfish - Scorpionfish
(Sebastes sp.)
SF: 2.21% | DEN: 2.67
White-spotted Anemone - Cnidarians
(Urticina sp.)
SF: 2.21% | DEN: 1.33
Orangethroat Pikeblenny - Blenny (pike, tube and flag)
(Chaenopsis alepidota)
SF: 2.02% | DEN: 1.45
Yellowtail Rockfish - Scorpionfish
(Sebastes flavidus)
SF: 2.02% | DEN: 1.82
Calico Rockfish - Scorpionfish
(Sebastes dalli)
SF: 1.65% | DEN: 1.56
Lavender Sculpin - Marine Sculpins
(Leiocottus hirundo)
SF: 1.65% | DEN: 1.22
Brown Rock Crab - Arthropods
(Romaleon antennarium)
SF: 1.47% | DEN: 1.5
Green Abalone - Mollusks
(Haliotis fulgens)
SF: 1.47% | DEN: 2
Northern Anchovy - Anchovy
(Engraulis mordax)
SF: 1.47% | DEN: 3.5
Northern Sea Palm - Algae
(Pterygophora californica)
SF: 1.47% | DEN: 3
Rainbow Seaperch - Surfperch
(Hypsurus caryi)
SF: 1.47% | DEN: 1.63
Sarcastic Fringehead - Blenny (pike, tube and flag)
(Neoclinus blanchardi)
SF: 1.47% | DEN: 1.25
Shiner Perch - Surfperch
(Cymatogaster aggregata)
SF: 1.47% | DEN: 3.25
Stalked Tunicate - Urochordates
(Styela montereyensis)
SF: 1.47% | DEN: 2.5
Blue Rockfish (was Blue-blotched species) - Scorpionfish
(Sebastes mystinus)
SF: 1.29% | DEN: 1.71
Pacific Barracuda - Barracuda
(Sphyraena argentea)
SF: 1.29% | DEN: 3
Scalyhead Sculpin - Marine Sculpins
(Artedius harringtoni)
SF: 1.29% | DEN: 1.57
Vermilion Rockfish - Scorpionfish
(Sebastes miniatus)
SF: 1.29% | DEN: 1.86
White Seaperch - Surfperch
(Phanerodon furcatus)
SF: 1.29% | DEN: 2.14
Ocean Sunfish - Mola
(Mola mola)
SF: 1.1% | DEN: 1.67
Pacific Sardine - Herring
(Sardinops sagax)
SF: 1.1% | DEN: 3.83
Yellowtail - Jack
(Seriola lalandi)
SF: 1.1% | DEN: 2.5
Coralline Sculpin - Marine Sculpins
(Artedius corallinus)
SF: 0.92% | DEN: 1.2
Pacific Sanddab - Sand Flounder
(Citharichthys sordidus)
SF: 0.92% | DEN: 1.8
Spotted Sand Bass - Sea Bass
(Paralabrax maculatofasciatus)
SF: 0.92% | DEN: 2.2
Unidentified Surfperch - Surfperch
(Embiotocidae spp.)
SF: 0.92% | DEN: 2.8
Yellowfin Fringehead - Blenny (pike, tube and flag)
(Neoclinus stephensae)
SF: 0.92% | DEN: 1
Coonstripe Shrimp - Arthropods
(Pandalus danae / gurneyi)
SF: 0.74% | DEN: 1
Eccentric Sand Dollar - Echinoderms
(Dendraster excentricus)
SF: 0.74% | DEN: 4
Gumboot Chiton - Mollusks
(Cryptochiton stelleri)
SF: 0.74% | DEN: 1
Leopard Shark - Requiem Shark
(Triakis semifasciata)
SF: 0.74% | DEN: 1.25
Swell Shark - Cat Shark
(Cephaloscyllium ventriosum)
SF: 0.74% | DEN: 1
Treefish YOY - Scorpionfish
(Sebastes serriceps (YOY))
SF: 0.74% | DEN: 1.75
Blue / Deacon Rockfish YOY - Scorpionfish
(Sebastes mystinus / diaconus (YOY))
SF: 0.55% | DEN: 2
Rockpool Blenny - Combtooth Blenny
(Hypsoblennius gilberti)
SF: 0.55% | DEN: 3
Sharpnose Seaperch - Surfperch
(Phanerodon atripes)
SF: 0.55% | DEN: 2.33
Thornback - Guitarfish
(Platyrhinoidis triseriata)
SF: 0.55% | DEN: 1
Angel Shark - Angel Shark
(Squatina californica)
SF: 0.37% | DEN: 1
Barred Surfperch - Surfperch
(Amphistichus argenteus)
SF: 0.37% | DEN: 2.5
Black Croaker - Drum
(Cheilotrema saturnum)
SF: 0.37% | DEN: 2
Blue Shark - Requiem Shark
(Prionace glauca)
SF: 0.37% | DEN: 1.5
California Flyingfish - Flyingfish
(Cypselurus californicus)
SF: 0.37% | DEN: 3
Finescale Triggerfish - Leatherjacket
(Balistes polylepis)
SF: 0.37% | DEN: 1
KGB Rockfish YOY (Kelp/Gopher/B&Y) - Scorpionfish
(Sebastes spp. YOY)
SF: 0.37% | DEN: 1.5
Southern Rock Sole - Righteye Flounder
(Lepidopsetta bilineata)
SF: 0.37% | DEN: 2
Tubesnout - Tubesnout
(Aulorhynchus flavidus)
SF: 0.37% | DEN: 1
Wolf-eel - Wolffish
(Anarrhichthys ocellatus)
SF: 0.37% | DEN: 1
Bay Goby - Goby
(Lepidogobius lepidus)
SF: 0.18% | DEN: 1
Chub Mackerel - Mackerel
(Scomber japonicus)
SF: 0.18% | DEN: 4
Decorated Warbonnet - Prickleback
(Chirolophis decoratus)
SF: 0.18% | DEN: 1
Dwarf Perch - Surfperch
(Micrometrus minimus)
SF: 0.18% | DEN: 2
Northern Ronquil - Ronquil
(Ronquilus jordani)
SF: 0.18% | DEN: 2
Pacific Electric Ray - Electric Ray
(Torpedo californica)
SF: 0.18% | DEN: 1
Salema - Grunt
(Xenistius californiensis)
SF: 0.18% | DEN: 3
Shovelnose Guitarfish - Guitarfish
(Rhinobatos productus)
SF: 0.18% | DEN: 1
Starry Rockfish - Scorpionfish
(Sebastes constellatus)
SF: 0.18% | DEN: 1
Unidentified Flatfish - Righteye Flounder
(Flatfish sp.)
SF: 0.18% | DEN: 1
Walleye Surfperch - Surfperch
(Hyperprosopon argenteum)
SF: 0.18% | DEN: 1
Whitespotted Greenling - Greenling
(Hexagrammos stelleri)
SF: 0.18% | DEN: 2
Woolly Sculpin - Marine Sculpins
(Clinocottus analis)
SF: 0.18% | DEN: 1
Yelloweye Rockfish - Scorpionfish
(Sebastes ruberrimus)
SF: 0.18% | DEN: 1
Zebraperch - Sea Chub
(Hermosilla azurea)
SF: 0.18% | DEN: 2