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Region: PAC

Geographic Zones: California - Zone 4 » SOUTHERN CALIFORNIA - Zone 42 » Southern Channel Islands - Zone 4203 » Catalina Island - Zone 420302 » Black Rock - Zone 42030251

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

Dates: 1/1/93 - 10/23/25

Total Surveys: 12

#Species Reported: 67

Average Species Reported on a Survey by Expert Surveyors: 23.33

Average Species Reported on a Survey by Novice Surveyors: 15.83

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)
4California0060069:09
42SOUTHERN CALIFORNIA0060069:09
4203Southern Channel Islands0060069:09
420302Catalina Island0060069:09
42030251Black Rock0060069:09
TOTALS0060069:09

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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Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 100% | DEN: 2.33
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 91.67% | DEN: 2.64
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 91.67% | DEN: 3.64
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 83.33% | DEN: 3.4
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 83.33% | DEN: 2.6
Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 75% | DEN: 2.89
Senorita - Wrasse
(Oxyjulis californica)
SF: 75% | DEN: 2.89
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 66.67% | DEN: 2.63
Crowned Urchin - Echinoderms
(Centrostphanus coronatus)
SF: 66.67% | DEN: 3.13
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 66.67% | DEN: 2.63
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 58.33% | DEN: 2.14
Brown Gorgonian - Cnidarians
(Muricea fruticosa)
SF: 50% | DEN: 2.33
Green Abalone - Mollusks
(Haliotis fulgens)
SF: 50% | DEN: 1.67
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 50% | DEN: 2.17
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 41.67% | DEN: 2
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 41.67% | DEN: 1.8
Opaleye - Sea Chub
(Girella nigricans)
SF: 41.67% | DEN: 2
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 41.67% | DEN: 2.8
Spiny Lobster - Arthropods
(Panulirus interruptus)
SF: 41.67% | DEN: 2.2
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 41.67% | DEN: 2.4
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 33.33% | DEN: 1.75
Horn Shark - Bullhead Shark
(Heterodontus francisci)
SF: 33.33% | DEN: 1.75
Oarweed - Algae
(Laminaria farlowii)
SF: 33.33% | DEN: 3.5
Southern Staghorn Bryozoan - Bryozoans
(Diaperoforma californica)
SF: 33.33% | DEN: 2.25
Cobalt Sponge - Poriferans
(Hymenamphiastra cyanocrypta)
SF: 25% | DEN: 0.67
Giant Kelpfish - Clinid
(Heterostichus rostratus)
SF: 25% | DEN: 1.33
Giant Keyhole Limpet - Mollusks
(Megathura crenulata)
SF: 25% | DEN: 1.67
Kellet's Whelk - Mollusks
(Kelletia kelletii)
SF: 25% | DEN: 1.67
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 25% | DEN: 2.33
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 25% | DEN: 1.67
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 25% | DEN: 2
Brown Rockfish - Scorpionfish
(Sebastes auriculatus)
SF: 16.67% | DEN: 1
California Moray - Moray
(Gymnothorax mordax)
SF: 16.67% | DEN: 1
California Scorpionfish - Scorpionfish
(Scorpaena guttata)
SF: 16.67% | DEN: 1.5
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 16.67% | DEN: 2
Red Gorgonian - Cnidarians
(Leptogorgia chilensis)
SF: 16.67% | DEN: 2.5
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 16.67% | DEN: 1.5
Round Stingray - Round Stingray
(Urolophus halleri)
SF: 16.67% | DEN: 1
Southern Sea Palm - Algae
(Eisenia arborea)
SF: 16.67% | DEN: 3.5
Spanish Shawl - Mollusks
(Flabellina iodinea)
SF: 16.67% | DEN: 1.5
Spiny Brittlestar - Echinoderms
(Ophiothrix spiculata)
SF: 16.67% | DEN: 2
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 16.67% | DEN: 2
Bat Ray - Eagle Ray
(Myliobatis californica)
SF: 8.33% | DEN: 1
Brown Rock Crab - Arthropods
(Romaleon antennarium)
SF: 8.33% | DEN: 1
Chestnut Cowry - Mollusks
(Cypraea spadicea)
SF: 8.33% | DEN: 2
Christmas Tree Worm - Annelids
(Spirobranchus spinosus)
SF: 8.33% | DEN: 4
Fluted Bryozoan - Bryozoans
(Primavelans insculpta)
SF: 8.33% | DEN: 2
Grass Rockfish - Scorpionfish
(Sebastes rastrelliger)
SF: 8.33% | DEN: 1
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 8.33% | DEN: 2
Jack Mackerel - Jack
(Trachurus symmetricus)
SF: 8.33% | DEN: 3
Lacy Bryozoan - Bryozoans
(Phidolopora pacifica)
SF: 8.33% | DEN: 4
Masking/Sheep Crab - Arthropods
(Loxorthynchus crispatus (L. grandis))
SF: 8.33% | DEN: 1
Olive Rockfish - Scorpionfish
(Sebastes serranoides)
SF: 8.33% | DEN: 1
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 8.33% | DEN: 2
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 8.33% | DEN: 1
Pink Abalone - Mollusks
(Haliotis corrugata)
SF: 8.33% | DEN: 1
Rainbow Scorpionfish - Scorpionfish
(Scorpaenodes xyris)
SF: 8.33% | DEN: 2
Red Abalone - Mollusks
(Haliotis rufescens)
SF: 8.33% | DEN: 1
Red Rock Shrimp - Arthropods
(Lysmata californica)
SF: 8.33% | DEN: 2
Red Turban Snail - Mollusks
(Lithopoma gibberosum)
SF: 8.33% | DEN: 2
Silversides spp. - Silverside
(Atherinidae spp.)
SF: 8.33% | DEN: 3
Spotted Kelpfish - Clinid
(Gibbonsia elegans)
SF: 8.33% | DEN: 1
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 8.33% | DEN: 1
Unidentified Sculpin - Marine Sculpins
(Psychrolutidae spp.)
SF: 8.33% | DEN: 1
White-spotted Anemone - Cnidarians
(Urticina sp.)
SF: 8.33% | DEN: 1
Zebra Goby - Goby
(Lythrypnus zebra)
SF: 8.33% | DEN: 2
Zebraperch - Sea Chub
(Hermosilla azurea)
SF: 8.33% | DEN: 1