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Region: PAC

Geographic Zones: Old Rock Quarry

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

Dates: 1/1/93 - 11/8/24

Total Surveys: 36

#Species Reported: 88

Average Species Reported on a Survey by Expert Surveyors: 22.56

Average Species Reported on a Survey by Novice Surveyors: 9.89

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)
4California5013401426:23
42SOUTHERN CALIFORNIA5013401426:23
4203Southern Channel Islands5013401426:23
420302Catalina Island5013401426:23
42030247Old Rock Quarry5013401426:23
TOTALS5013401426:23

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: 88.89% | DEN: 2.91
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 80.56% | DEN: 3.17
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 72.22% | DEN: 3.73
Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 72.22% | DEN: 3.73
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 72.22% | DEN: 2.65
Opaleye - Sea Chub
(Girella nigricans)
SF: 69.44% | DEN: 2.12
Senorita - Wrasse
(Oxyjulis californica)
SF: 69.44% | DEN: 3
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 62.96% | DEN: 3.29
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 58.33% | DEN: 2.38
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 58.33% | DEN: 2.81
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 50% | DEN: 2.28
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 48.15% | DEN: 2.15
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 44.44% | DEN: 1.83
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 44.44% | DEN: 1.75
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 38.89% | DEN: 2.57
Scythe Butterflyfish - Butterflyfish
(Chaetodon falcifer)
SF: 38.89% | DEN: 1.93
Spiny Lobster - Arthropods
(Panulirus interruptus)
SF: 37.04% | DEN: 2.3
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 36.11% | DEN: 2.08
Giant Kelpfish - Clinid
(Heterostichus rostratus)
SF: 36.11% | DEN: 1.69
Green Abalone - Mollusks
(Haliotis fulgens)
SF: 33.33% | DEN: 2
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 33.33% | DEN: 2.75
Crowned Urchin - Echinoderms
(Centrostphanus coronatus)
SF: 29.63% | DEN: 2.88
Rainbow Scorpionfish - Scorpionfish
(Scorpaenodes xyris)
SF: 27.78% | DEN: 1.8
Red Rock Shrimp - Arthropods
(Lysmata californica)
SF: 25.93% | DEN: 1.86
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 25.93% | DEN: 1.86
California Scorpionfish - Scorpionfish
(Scorpaena guttata)
SF: 25% | DEN: 1.33
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 22.22% | DEN: 2.17
Zebra Goby - Goby
(Lythrypnus zebra)
SF: 19.44% | DEN: 1.71
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 18.52% | DEN: 2
Cobalt Sponge - Poriferans
(Hymenamphiastra cyanocrypta)
SF: 18.52% | DEN: 1
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 18.52% | DEN: 1.6
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 18.52% | DEN: 2.2
California Moray - Moray
(Gymnothorax mordax)
SF: 16.67% | DEN: 1.67
Horn Shark - Bullhead Shark
(Heterodontus francisci)
SF: 16.67% | DEN: 1.67
Giant Keyhole Limpet - Mollusks
(Megathura crenulata)
SF: 14.81% | DEN: 2.5
Red Gorgonian - Cnidarians
(Leptogorgia chilensis)
SF: 14.81% | DEN: 2
Southern Sea Palm - Algae
(Eisenia arborea)
SF: 14.81% | DEN: 2.25
Zebraperch - Sea Chub
(Hermosilla azurea)
SF: 13.89% | DEN: 2.4
Brown Gorgonian - Cnidarians
(Muricea fruticosa)
SF: 11.11% | DEN: 2
Chestnut Cowry - Mollusks
(Cypraea spadicea)
SF: 11.11% | DEN: 1.67
Kellet's Whelk - Mollusks
(Kelletia kelletii)
SF: 11.11% | DEN: 2
Sunflower Star - Echinoderms
(Pycnopodia helianthoides)
SF: 11.11% | DEN: 2
Black Croaker - Drum
(Cheilotrema saturnum)
SF: 8.33% | DEN: 2
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 8.33% | DEN: 3
Ocean Whitefish - Tilefish
(Caulolatilus princeps)
SF: 8.33% | DEN: 1.33
Pacific Barracuda - Barracuda
(Sphyraena argentea)
SF: 8.33% | DEN: 2
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 8.33% | DEN: 1.67
Round Stingray - Round Stingray
(Urolophus halleri)
SF: 8.33% | DEN: 1
Rubberlip Seaperch - Surfperch
(Rhacochilus toxotes)
SF: 8.33% | DEN: 2
Topsmelt - Silverside
(Atherinops affinis)
SF: 8.33% | DEN: 2.67
Bat Star - Echinoderms
(Asterina miniata)
SF: 7.41% | DEN: 2.5
California Sea Cucumber - Echinoderms
(Parastichopus californicus)
SF: 7.41% | DEN: 3
Oarweed - Algae
(Laminaria farlowii)
SF: 7.41% | DEN: 3.5
Orange Cup Coral - Cnidarians
(Balanophyllia elegans)
SF: 7.41% | DEN: 3
Pink Abalone - Mollusks
(Haliotis corrugata)
SF: 7.41% | DEN: 1.5
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 7.41% | DEN: 2.5
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 7.41% | DEN: 1
Two-spot Octopus - Mollusks
(Octopus bimaculatus)
SF: 7.41% | DEN: 1
Brown Rockfish - Scorpionfish
(Sebastes auriculatus)
SF: 5.56% | DEN: 2
C-O Sole - Righteye Flounder
(Pleuronichthys coenosus)
SF: 5.56% | DEN: 1
Cabezon - Sculpin
(Scorpaenichthys marmoratus)
SF: 5.56% | DEN: 1
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 5.56% | DEN: 1
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 5.56% | DEN: 2.5
Sargo - Grunt
(Anisotremus davidsoni)
SF: 5.56% | DEN: 1.5
Starry Rockfish - Scorpionfish
(Sebastes constellatus)
SF: 5.56% | DEN: 1
Leather Star - Echinoderms
(Dermasterias imbricata)
SF: 3.7% | DEN: 2
Light-bulb Tunicate - Urochordates
(Clavelina huntsmani)
SF: 3.7% | DEN: 1
Masking/Sheep Crab - Arthropods
(Loxorthynchus crispatus (L. grandis))
SF: 3.7% | DEN: 1
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 3.7% | DEN: 2
Red Octopus - Mollusks
(Octopus rubescens)
SF: 3.7% | DEN: 1
Red Turban Snail - Mollusks
(Lithopoma gibberosum)
SF: 3.7% | DEN: 3
Southern Staghorn Bryozoan - Bryozoans
(Diaperoforma californica)
SF: 3.7% | DEN: 4
Unidentified Abalone - Mollusks
(Haliotis sp.)
SF: 3.7% | DEN: 1
Angel Shark - Angel Shark
(Squatina californica)
SF: 2.78% | DEN: 2
Bat Ray - Eagle Ray
(Myliobatis californica)
SF: 2.78% | DEN: 1
Black Rockfish - Scorpionfish
(Sebastes melanops)
SF: 2.78% | DEN: 2
Black-and-Yellow Rockfish - Scorpionfish
(Sebastes chrysomelas)
SF: 2.78% | DEN: 1
Blue Rockfish - generic ID - Scorpionfish
(Sebastes mystinus/diaconus)
SF: 2.78% | DEN: 3
Giant Sea Bass - Wreckfish
(Stereolepis gigas)
SF: 2.78% | DEN: 2
Gopher Rockfish - Scorpionfish
(Sebastes carnatus)
SF: 2.78% | DEN: 1
Grass Rockfish - Scorpionfish
(Sebastes rastrelliger)
SF: 2.78% | DEN: 1
Guadalupe Cardinalfish - Cardinalfish
(Apogon guadalupensis)
SF: 2.78% | DEN: 2
Jack Mackerel - Jack
(Trachurus symmetricus)
SF: 2.78% | DEN: 3
Kelp Greenling - Greenling
(Hexagrammos decagrammus)
SF: 2.78% | DEN: 2
Olive Rockfish - Scorpionfish
(Sebastes serranoides)
SF: 2.78% | DEN: 1
Rainbow Seaperch - Surfperch
(Hypsurus caryi)
SF: 2.78% | DEN: 1
Spotted Kelpfish - Clinid
(Gibbonsia elegans)
SF: 2.78% | DEN: 1
Thornback - Guitarfish
(Platyrhinoidis triseriata)
SF: 2.78% | DEN: 1