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Region: PAC

Geographic Zones: Judith Rock South

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

Dates: 1/1/93 - 10/3/24

Total Surveys: 14

#Species Reported: 66

Average Species Reported on a Survey by Expert Surveyors: 26.80

Average Species Reported on a Survey by Novice Surveyors: 18.11

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)
4California1042078:13
42SOUTHERN CALIFORNIA1042078:13
4202Northern Channel Islands1042078:13
420201San Miguel1042078:13
42020120Judith Rock South1042078:13
TOTALS1042078:13

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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Blue Rockfish - generic ID - Scorpionfish
(Sebastes mystinus/diaconus)
SF: 92.86% | DEN: 3.23
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 92.86% | DEN: 2.23
Bat Star - Echinoderms
(Asterina miniata)
SF: 90.91% | DEN: 2.8
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 90.91% | DEN: 0.1
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 72.73% | DEN: 3.13
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 72.73% | DEN: 2
Spanish Shawl - Mollusks
(Flabellina iodinea)
SF: 72.73% | DEN: 1.88
Gopher Rockfish - Scorpionfish
(Sebastes carnatus)
SF: 71.43% | DEN: 1.8
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 71.43% | DEN: 2.4
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 64.29% | DEN: 2.22
Vermilion Rockfish - Scorpionfish
(Sebastes miniatus)
SF: 64.29% | DEN: 2.22
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 63.64% | DEN: 2.71
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 63.64% | DEN: 2
White-spotted Anemone - Cnidarians
(Urticina sp.)
SF: 63.64% | DEN: 2.86
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 57.14% | DEN: 2.38
Chestnut Cowry - Mollusks
(Cypraea spadicea)
SF: 54.55% | DEN: 2.17
Orange Cup Coral - Cnidarians
(Balanophyllia elegans)
SF: 54.55% | DEN: 3.67
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 54.55% | DEN: 3.67
Southern Sea Palm - Algae
(Eisenia arborea)
SF: 54.55% | DEN: 3.17
Copper Rockfish - Scorpionfish
(Sebastes caurinus)
SF: 50% | DEN: 2
Feather Duster Worm (E. polymorpha) - Annelids
(Eudistylia polymorpha)
SF: 45.45% | DEN: 2.6
Kellet's Whelk - Mollusks
(Kelletia kelletii)
SF: 45.45% | DEN: 1.6
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 45.45% | DEN: 3.4
Red Volcano Sponge - Poriferans
(Acamus erithacus)
SF: 45.45% | DEN: 2.6
Sea Lemon - Mollusks
(Peltodoris nobilis)
SF: 45.45% | DEN: 1.6
Lingcod - Greenling
(Ophiodon elongatus)
SF: 42.86% | DEN: 1.67
Opalescent Nudibranch - Mollusks
(Hermissenda crassicornis / opalescens)
SF: 36.36% | DEN: 1.5
Red Turban Snail - Mollusks
(Lithopoma gibberosum)
SF: 36.36% | DEN: 2.5
Stalked Tunicate - Urochordates
(Styela montereyensis)
SF: 36.36% | DEN: 1.75
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 36.36% | DEN: 1.75
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 35.71% | DEN: 2
Striped Seaperch - Surfperch
(Embiotoca lateralis)
SF: 35.71% | DEN: 2.6
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 35.71% | DEN: 1.4
Olive Rockfish - Scorpionfish
(Sebastes serranoides)
SF: 28.57% | DEN: 2
Senorita - Wrasse
(Oxyjulis californica)
SF: 28.57% | DEN: 2
Gumboot Chiton - Mollusks
(Cryptochiton stelleri)
SF: 27.27% | DEN: 2
Red Abalone - Mollusks
(Haliotis rufescens)
SF: 27.27% | DEN: 2.33
Sunflower Star - Echinoderms
(Pycnopodia helianthoides)
SF: 27.27% | DEN: 1.67
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 21.43% | DEN: 2
Black-and-Yellow Rockfish - Scorpionfish
(Sebastes chrysomelas)
SF: 21.43% | DEN: 2.33
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 21.43% | DEN: 2.67
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 21.43% | DEN: 2
Kelp Greenling - Greenling
(Hexagrammos decagrammus)
SF: 21.43% | DEN: 1.67
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 21.43% | DEN: 2.33
Tubesnout - Tubesnout
(Aulorhynchus flavidus)
SF: 21.43% | DEN: 4
California Sea Cucumber - Echinoderms
(Parastichopus californicus)
SF: 18.18% | DEN: 2
Cobalt Sponge - Poriferans
(Hymenamphiastra cyanocrypta)
SF: 18.18% | DEN: 0
Fluted Bryozoan - Bryozoans
(Primavelans insculpta)
SF: 18.18% | DEN: 3
Giant Keyhole Limpet - Mollusks
(Megathura crenulata)
SF: 18.18% | DEN: 1.5
Lacy Bryozoan - Bryozoans
(Phidolopora pacifica)
SF: 18.18% | DEN: 2
San Diego Dorid / Leopard Dorid - Mollusks
(Diaulula sandiegensis / odonoghuei)
SF: 18.18% | DEN: 1.5
Black Rockfish - Scorpionfish
(Sebastes melanops)
SF: 14.29% | DEN: 2.5
Snubnose Sculpin - Sculpin
(Orthonopias triacis)
SF: 14.29% | DEN: 1.5
Brown Rock Crab - Arthropods
(Cancer antennarius)
SF: 9.09% | DEN: 1
Coonstripe Shrimp - Arthropods
(Pandalus danae / gurneyi)
SF: 9.09% | DEN: 2
Crowned Urchin - Echinoderms
(Centrostphanus coronatus)
SF: 9.09% | DEN: 2
Northern Sea Palm - Algae
(Pterygophora californica)
SF: 9.09% | DEN: 1
Southern Staghorn Bryozoan - Bryozoans
(Diaperoforma californica)
SF: 9.09% | DEN: 2
Spiny Brittlestar - Echinoderms
(Ophiothrix spiculata)
SF: 9.09% | DEN: 2
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 9.09% | DEN: 2
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 9.09% | DEN: 2
Blue / Deacon Rockfish YOY - Scorpionfish
(Sebastes mystinus / diaconus (YOY))
SF: 7.14% | DEN: 3
Blue Rockfish (was Blue-blotched species) - Scorpionfish
(Sebastes mystinus)
SF: 7.14% | DEN: 4
Cabezon - Sculpin
(Scorpaenichthys marmoratus)
SF: 7.14% | DEN: 1
Rosy Rockfish - Scorpionfish
(Sebastes rosaceus)
SF: 7.14% | DEN: 2
Rubberlip Seaperch - Surfperch
(Rhacochilus toxotes)
SF: 7.14% | DEN: 2