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Region: PAC

Geographic Zones: California - Zone 4 » SOUTHERN CALIFORNIA - Zone 42 » Northern Channel Islands - Zone 4202 » Santa Cruz Island - Zone 420203 » Arch Rock - Zone 42020387

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

Dates: 1/1/93 - 4/25/25

Total Surveys: 3

#Species Reported: 29

Average Species Reported on a Survey by Expert Surveyors: 10.00

Average Species Reported on a Survey by Novice Surveyors: 16.50

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)
4California0010022:21
42SOUTHERN CALIFORNIA0010022:21
4202Northern Channel Islands0010022:21
420203Santa Cruz Island0010022:21
42020387Arch Rock0010022:21
TOTALS0010022:21

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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Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 100% | DEN: 3.67
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 100% | DEN: 3.33
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 100% | DEN: 2
Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 66.67% | DEN: 2.5
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 66.67% | DEN: 2.5
Chestnut Cowry - Mollusks
(Cypraea spadicea)
SF: 66.67% | DEN: 1.5
Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 66.67% | DEN: 2.5
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 66.67% | DEN: 2.5
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 66.67% | DEN: 2.5
Senorita - Wrasse
(Oxyjulis californica)
SF: 66.67% | DEN: 3
Spanish Shawl - Mollusks
(Flabellina iodinea)
SF: 66.67% | DEN: 2.5
Bat Star - Echinoderms
(Asterina miniata)
SF: 33.33% | DEN: 2
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 33.33% | DEN: 3
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 33.33% | DEN: 2
Colonial Sand-tube Worm - Annelids
(Phragmatopoma californica)
SF: 33.33% | DEN: 1
Green Abalone - Mollusks
(Haliotis fulgens)
SF: 33.33% | DEN: 2
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 33.33% | DEN: 3
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 33.33% | DEN: 3
Kellet's Whelk - Mollusks
(Kelletia kelletii)
SF: 33.33% | DEN: 2
Opaleye - Sea Chub
(Girella nigricans)
SF: 33.33% | DEN: 3
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 33.33% | DEN: 2
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 33.33% | DEN: 2
Red Sea Hare - Mollusks
(Aplysia californica)
SF: 33.33% | DEN: 1
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 33.33% | DEN: 3
San Diego Dorid / Leopard Dorid - Mollusks
(Diaulula sandiegensis / odonoghuei)
SF: 33.33% | DEN: 1
Sargo - Grunt
(Anisotremus davidsoni)
SF: 33.33% | DEN: 3
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 33.33% | DEN: 1
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 33.33% | DEN: 3
Zebra Goby - Goby
(Lythrypnus zebra)
SF: 33.33% | DEN: 1