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Region: PAC

Geographic Zones: California - Zone 4 » SOUTHERN CALIFORNIA - Zone 42 » Southern Channel Islands - Zone 4203 » Catalina Island - Zone 420302 » Krolls - Zone 42030255

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

Dates: 1/1/93 - 10/31/25

Total Surveys: 16

#Species Reported: 49

Average Species Reported on a Survey by Expert Surveyors: 16.75

Average Species Reported on a Survey by Novice Surveyors: 15.08

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)
4California004001211:53
42SOUTHERN CALIFORNIA004001211:53
4203Southern Channel Islands004001211:53
420302Catalina Island004001211:53
42030255Krolls004001211:53
TOTALS004001211:53

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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Crowned Urchin - Echinoderms
(Centrostphanus coronatus)
SF: 100% | DEN: 3.81
Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 100% | DEN: 3.13
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 100% | DEN: 2.81
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 93.75% | DEN: 3.87
Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 93.75% | DEN: 3.87
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 87.5% | DEN: 2.64
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 87.5% | DEN: 3.21
California Moray - Moray
(Gymnothorax mordax)
SF: 81.25% | DEN: 2
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 81.25% | DEN: 2.23
Opaleye - Sea Chub
(Girella nigricans)
SF: 68.75% | DEN: 2.36
Spiny Lobster - Arthropods
(Panulirus interruptus)
SF: 68.75% | DEN: 2.18
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 50% | DEN: 2.5
Two-spot Octopus - Mollusks
(Octopus bimaculatus)
SF: 50% | DEN: 1.25
Red Rock Shrimp - Arthropods
(Lysmata californica)
SF: 43.75% | DEN: 3
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 31.25% | DEN: 2.4
Rainbow Scorpionfish - Scorpionfish
(Scorpaenodes xyris)
SF: 31.25% | DEN: 1.6
Senorita - Wrasse
(Oxyjulis californica)
SF: 31.25% | DEN: 2.6
Oarweed - Algae
(Laminaria farlowii)
SF: 25% | DEN: 2.25
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 25% | DEN: 1.75
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 25% | DEN: 1.75
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 18.75% | DEN: 3.33
Southern Sea Palm - Algae
(Eisenia arborea)
SF: 18.75% | DEN: 1
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 18.75% | DEN: 2.33
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 12.5% | DEN: 2
Brown Gorgonian - Cnidarians
(Muricea fruticosa)
SF: 12.5% | DEN: 2.5
C-O Sole - Righteye Flounder
(Pleuronichthys coenosus)
SF: 12.5% | DEN: 1
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 12.5% | DEN: 2
California Scorpionfish - Scorpionfish
(Scorpaena guttata)
SF: 12.5% | DEN: 1
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 12.5% | DEN: 3
Red Gorgonian - Cnidarians
(Leptogorgia chilensis)
SF: 12.5% | DEN: 2
Southern Staghorn Bryozoan - Bryozoans
(Diaperoforma californica)
SF: 12.5% | DEN: 2
Zebra Goby - Goby
(Lythrypnus zebra)
SF: 12.5% | DEN: 2
Barred Sand Bass - Sea Bass
(Paralabrax nebulifer)
SF: 6.25% | DEN: 3
Christmas Tree Worm - Annelids
(Spirobranchus spinosus)
SF: 6.25% | DEN: 2
Green Abalone - Mollusks
(Haliotis fulgens)
SF: 6.25% | DEN: 2
Jacksmelt - Silverside
(Atherinopsis californiensis)
SF: 6.25% | DEN: 4
Kellet's Whelk - Mollusks
(Kelletia kelletii)
SF: 6.25% | DEN: 2
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 6.25% | DEN: 3
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 6.25% | DEN: 2
Light-bulb Tunicate - Urochordates
(Clavelina huntsmani)
SF: 6.25% | DEN: 2
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 6.25% | DEN: 2
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 6.25% | DEN: 1
Pink Abalone - Mollusks
(Haliotis corrugata)
SF: 6.25% | DEN: 1
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 6.25% | DEN: 1
Red Octopus - Mollusks
(Octopus rubescens)
SF: 6.25% | DEN: 1
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 6.25% | DEN: 1
Sargo - Grunt
(Anisotremus davidsoni)
SF: 6.25% | DEN: 3
Spanish Shawl - Mollusks
(Flabellina iodinea)
SF: 6.25% | DEN: 1
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 6.25% | DEN: 2