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Region: PAC

Geographic Zones: California - Zone 4 » SOUTHERN CALIFORNIA - Zone 42 » Northern Channel Islands - Zone 4202 » San Miguel - Zone 420201 » Hare Rock - Zone 42020105

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

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

Total Surveys: 27

#Species Reported: 82

Average Species Reported on a Survey by Expert Surveyors: 25.82

Average Species Reported on a Survey by Novice Surveyors: 14.12

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)
4California407130319:32
42SOUTHERN CALIFORNIA407130319:32
4202Northern Channel Islands407130319:32
420201San Miguel407130319:32
42020105Hare Rock407130319:32
TOTALS407130319:32

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: 3.1
Blue Rockfish - generic ID - Scorpionfish
(Sebastes mystinus/diaconus)
SF: 96.3% | DEN: 2.96
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 92.59% | DEN: 2.56
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 90% | DEN: 3.11
White-spotted Anemone - Cnidarians
(Urticina sp.)
SF: 90% | DEN: 2.44
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 88.89% | DEN: 2.17
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 81.48% | DEN: 2.14
Lingcod - Greenling
(Ophiodon elongatus)
SF: 81.48% | DEN: 1.45
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 80% | DEN: 0.5
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 80% | DEN: 1.88
Chestnut Cowry - Mollusks
(Cypraea spadicea)
SF: 70% | DEN: 2.29
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 70% | DEN: 2.29
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 70% | DEN: 3.43
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 70% | DEN: 3.29
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 70% | DEN: 2.86
California Sea Cucumber - Echinoderms
(Parastichopus californicus)
SF: 60% | DEN: 1.5
Orange Cup Coral - Cnidarians
(Balanophyllia elegans)
SF: 60% | DEN: 2.83
Spiny Brittlestar - Echinoderms
(Ophiothrix spiculata)
SF: 60% | DEN: 3
Sunflower Star - Echinoderms
(Pycnopodia helianthoides)
SF: 60% | DEN: 2.33
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 59.26% | DEN: 2.06
Copper Rockfish - Scorpionfish
(Sebastes caurinus)
SF: 59.26% | DEN: 1.75
Striped Seaperch - Surfperch
(Embiotoca lateralis)
SF: 59.26% | DEN: 2.56
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 59.26% | DEN: 1.5
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 51.85% | DEN: 1.79
Kellet's Whelk - Mollusks
(Kelletia kelletii)
SF: 50% | DEN: 1.6
Black-and-Yellow Rockfish - Scorpionfish
(Sebastes chrysomelas)
SF: 48.15% | DEN: 1.54
Olive Rockfish - Scorpionfish
(Sebastes serranoides)
SF: 48.15% | DEN: 2
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 44.44% | DEN: 2.17
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 44.44% | DEN: 2.5
Tubesnout - Tubesnout
(Aulorhynchus flavidus)
SF: 44.44% | DEN: 3.92
Gopher Rockfish - Scorpionfish
(Sebastes carnatus)
SF: 40.74% | DEN: 2
Fluted Bryozoan - Bryozoans
(Primavelans insculpta)
SF: 40% | DEN: 2.5
Opalescent Nudibranch - Mollusks
(Hermissenda crassicornis / opalescens)
SF: 40% | DEN: 2.25
Spanish Shawl - Mollusks
(Flabellina iodinea)
SF: 40% | DEN: 2
Senorita - Wrasse
(Oxyjulis californica)
SF: 37.04% | DEN: 2.3
Snubnose Sculpin - Marine Sculpins
(Orthonopias triacis)
SF: 33.33% | DEN: 1.56
Feather Duster Worm (E. polymorpha) - Annelids
(Eudistylia polymorpha)
SF: 30% | DEN: 2.67
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 30% | DEN: 1.67
Sea Lemon - Mollusks
(Peltodoris nobilis)
SF: 30% | DEN: 1.67
Southern Sea Palm - Algae
(Eisenia arborea)
SF: 30% | DEN: 2.67
Cabezon - Longfin Sculpins
(Scorpaenichthys marmoratus)
SF: 29.63% | DEN: 1.13
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 29.63% | DEN: 2
Brown Rock Crab - Arthropods
(Romaleon antennarium)
SF: 20% | DEN: 1.5
Crowned Urchin - Echinoderms
(Centrostphanus coronatus)
SF: 20% | DEN: 3
Lacy Bryozoan - Bryozoans
(Phidolopora pacifica)
SF: 20% | DEN: 2.5
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 20% | DEN: 2
San Diego Dorid / Northern Leopard Dorid - Mollusks
(Diaulula sandiegensis / odonoghuei)
SF: 20% | DEN: 1
Southern Staghorn Bryozoan - Bryozoans
(Diaperoforma californica)
SF: 20% | DEN: 2.5
Spiny Lobster - Arthropods
(Panulirus interruptus)
SF: 20% | DEN: 1.5
Stalked Tunicate - Urochordates
(Styela montereyensis)
SF: 20% | DEN: 1
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 20% | DEN: 2
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 18.52% | DEN: 2.2
Vermilion Rockfish - Scorpionfish
(Sebastes miniatus)
SF: 14.81% | DEN: 1
Brown Rockfish - Scorpionfish
(Sebastes auriculatus)
SF: 11.11% | DEN: 1.33
Coralline Sculpin - Marine Sculpins
(Artedius corallinus)
SF: 11.11% | DEN: 1
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 11.11% | DEN: 2
Rubberlip Seaperch - Surfperch
(Rhacochilus toxotes)
SF: 11.11% | DEN: 2.33
Unidentified Sculpin - Marine Sculpins
(Psychrolutidae spp.)
SF: 11.11% | DEN: 1.33
Yellowfin Fringehead - Blenny (pike, tube and flag)
(Neoclinus stephensae)
SF: 11.11% | DEN: 1
Yellowtail Rockfish - Scorpionfish
(Sebastes flavidus)
SF: 11.11% | DEN: 1.33
Coonstripe Shrimp - Arthropods
(Pandalus danae / gurneyi)
SF: 10% | DEN: 2
Giant Keyhole Limpet - Mollusks
(Megathura crenulata)
SF: 10% | DEN: 1
Masking/Sheep Crab - Arthropods
(Loxorthynchus crispatus (L. grandis))
SF: 10% | DEN: 2
Northern Staghorn Bryozoan - Bryozoans
(Heteropora pacifica)
SF: 10% | DEN: 3
Red Octopus - Mollusks
(Octopus rubescens)
SF: 10% | DEN: 1
Two-spot Octopus - Mollusks
(Octopus bimaculatus)
SF: 10% | DEN: 1
Black Rockfish - Scorpionfish
(Sebastes melanops)
SF: 7.41% | DEN: 1.5
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 7.41% | DEN: 1.5
Kelp Greenling - Greenling
(Hexagrammos decagrammus)
SF: 7.41% | DEN: 1
Bat Ray - Eagle Ray
(Myliobatis californica)
SF: 3.7% | DEN: 1
Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 3.7% | DEN: 2
Bocaccio - Scorpionfish
(Sebastes paucispinis)
SF: 3.7% | DEN: 3
California Scorpionfish - Scorpionfish
(Scorpaena guttata)
SF: 3.7% | DEN: 1
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 3.7% | DEN: 3
Rainbow Seaperch - Surfperch
(Hypsurus caryi)
SF: 3.7% | DEN: 1
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 3.7% | DEN: 2
Silversides spp. - Silverside
(Atherinidae spp.)
SF: 3.7% | DEN: 3
Spotted Kelpfish - Clinid
(Gibbonsia elegans)
SF: 3.7% | DEN: 1
Topsmelt - Silverside
(Atherinops affinis)
SF: 3.7% | DEN: 4
Unidentified Flatfish - Righteye Flounder
(Flatfish sp.)
SF: 3.7% | DEN: 2
Unidentified Pipefish - Pipefish & Seahorse
(Syngnathidae spp.)
SF: 3.7% | DEN: 1
Zebra Goby - Goby
(Lythrypnus zebra)
SF: 3.7% | DEN: 2