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Region: PAC

Geographic Zones: Gull Island

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

Dates: 1/1/93 - 11/3/24

Total Surveys: 80

#Species Reported: 104

Average Species Reported on a Survey by Expert Surveyors: 18.00

Average Species Reported on a Survey by Novice Surveyors: 16.49

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)
4California1502610257:48
42SOUTHERN CALIFORNIA1502610257:48
4202Northern Channel Islands1502610257:48
420203Santa Cruz Island1502610257:48
42020313Gull Island1502610257:48
TOTALS1502610257:48

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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Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 100% | DEN: 3.75
Red Gorgonian - Cnidarians
(Leptogorgia chilensis)
SF: 100% | DEN: 2.25
Spiny Lobster - Arthropods
(Panulirus interruptus)
SF: 100% | DEN: 2
Warty Sea Cucumber - Echinoderms
(Parastichopus parvimensis)
SF: 100% | DEN: 2
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 98.75% | DEN: 2.95
Senorita - Wrasse
(Oxyjulis californica)
SF: 88.75% | DEN: 2.87
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 87.5% | DEN: 2.99
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 86.25% | DEN: 2.68
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 85% | DEN: 2.79
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 77.5% | DEN: 2.1
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 76.25% | DEN: 2.26
Orange Puffball Sponge - Poriferans
(Tethya aurantia)
SF: 75% | DEN: 2.67
Purple Hydrocoral - Cnidarians
(Stylaster califrnicus)
SF: 75% | DEN: 3
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 75% | DEN: 3.33
Southern Sea Palm - Algae
(Eisenia arborea)
SF: 75% | DEN: 3.33
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 75% | DEN: 0.67
Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 72.5% | DEN: 1.97
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 71.25% | DEN: 2.09
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 66.25% | DEN: 1.87
Blue Rockfish - generic ID - Scorpionfish
(Sebastes mystinus/diaconus)
SF: 58.75% | DEN: 2.36
Opaleye - Sea Chub
(Girella nigricans)
SF: 58.75% | DEN: 2.28
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 51.25% | DEN: 2.59
Bat Star - Echinoderms
(Asterina miniata)
SF: 50% | DEN: 3
California Golden Gorgonian - Cnidarians
(Muricea californica)
SF: 50% | DEN: 2.5
Giant Keyhole Limpet - Mollusks
(Megathura crenulata)
SF: 50% | DEN: 2
Kellet's Whelk - Mollusks
(Kelletia kelletii)
SF: 50% | DEN: 2
Lacy Bryozoan - Bryozoans
(Phidolopora pacifica)
SF: 50% | DEN: 2.5
Orange Cup Coral - Cnidarians
(Balanophyllia elegans)
SF: 50% | DEN: 4
Red Turban Snail - Mollusks
(Lithopoma gibberosum)
SF: 50% | DEN: 3
Spanish Shawl - Mollusks
(Flabellina iodinea)
SF: 50% | DEN: 2
Spiny Brittlestar - Echinoderms
(Ophiothrix spiculata)
SF: 50% | DEN: 3.5
Sunflower Star - Echinoderms
(Pycnopodia helianthoides)
SF: 50% | DEN: 2.5
Silversides spp. - Silverside
(Atherinidae spp.)
SF: 41.25% | DEN: 3.21
Gopher Rockfish - Scorpionfish
(Sebastes carnatus)
SF: 38.75% | DEN: 1.45
Rubberlip Seaperch - Surfperch
(Rhacochilus toxotes)
SF: 36.25% | DEN: 1.79
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 36.25% | DEN: 1.59
Black-and-Yellow Rockfish - Scorpionfish
(Sebastes chrysomelas)
SF: 32.5% | DEN: 1.65
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 30% | DEN: 2.67
Striped Seaperch - Surfperch
(Embiotoca lateralis)
SF: 28.75% | DEN: 2.26
Rainbow Seaperch - Surfperch
(Hypsurus caryi)
SF: 27.5% | DEN: 2.09
Olive Rockfish - Scorpionfish
(Sebastes serranoides)
SF: 26.25% | DEN: 1.76
Snubnose Sculpin - Sculpin
(Orthonopias triacis)
SF: 26.25% | DEN: 1.57
California Sea Cucumber - Echinoderms
(Parastichopus californicus)
SF: 25% | DEN: 3
Chestnut Cowry - Mollusks
(Cypraea spadicea)
SF: 25% | DEN: 2
Christmas Tree Worm - Annelids
(Spirobranchus spinosus)
SF: 25% | DEN: 3
Cobalt Sponge - Poriferans
(Hymenamphiastra cyanocrypta)
SF: 25% | DEN: 0
Coonstripe Shrimp - Arthropods
(Pandalus danae / gurneyi)
SF: 25% | DEN: 2
Crowned Urchin - Echinoderms
(Centrostphanus coronatus)
SF: 25% | DEN: 3
Fluted Bryozoan - Bryozoans
(Primavelans insculpta)
SF: 25% | DEN: 2
Giant Spined Star - Echinoderms
(Pisaster giganteus)
SF: 25% | DEN: 3
Gumboot Chiton - Mollusks
(Cryptochiton stelleri)
SF: 25% | DEN: 2
Masking/Sheep Crab - Arthropods
(Loxorthynchus crispatus (L. grandis))
SF: 25% | DEN: 2
Opalescent Nudibranch - Mollusks
(Hermissenda crassicornis / opalescens)
SF: 25% | DEN: 2
Red Sea Hare - Mollusks
(Aplysia californica)
SF: 25% | DEN: 2
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 25% | DEN: 4
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 25% | DEN: 2
San Diego Dorid / Leopard Dorid - Mollusks
(Diaulula sandiegensis / odonoghuei)
SF: 25% | DEN: 1
Southern Staghorn Bryozoan - Bryozoans
(Diaperoforma californica)
SF: 25% | DEN: 3
Stalked Tunicate - Urochordates
(Styela montereyensis)
SF: 25% | DEN: 2
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 25% | DEN: 3
Two-spot Octopus - Mollusks
(Octopus bimaculatus)
SF: 25% | DEN: 1
Wavy Turban Snail - Mollusks
(Lithopoma undosum)
SF: 25% | DEN: 1
White Urchin - Echinoderms
(Lytechinus anamesus)
SF: 25% | DEN: 2
White-spotted Anemone - Cnidarians
(Urticina sp.)
SF: 25% | DEN: 2
Lingcod - Greenling
(Ophiodon elongatus)
SF: 22.5% | DEN: 1.28
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 21.25% | DEN: 1.65
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 20% | DEN: 2
Cabezon - Sculpin
(Scorpaenichthys marmoratus)
SF: 18.75% | DEN: 1.2
Copper Rockfish - Scorpionfish
(Sebastes caurinus)
SF: 18.75% | DEN: 1.4
Jack Mackerel - Jack
(Trachurus symmetricus)
SF: 17.5% | DEN: 2.36
Jacksmelt - Silverside
(Atherinops californiensis)
SF: 16.25% | DEN: 3.08
Bat Ray - Eagle Ray
(Myliobatis californica)
SF: 13.75% | DEN: 1.36
Grass Rockfish - Scorpionfish
(Sebastes rastrelliger)
SF: 11.25% | DEN: 1.67
Giant Kelpfish - Clinid
(Heterostichus rostratus)
SF: 10% | DEN: 1.5
Northern Anchovy - Anchovy
(Engraulis mordax)
SF: 10% | DEN: 3.88
Swell Shark - Cat Shark
(Cephaloscyllium ventriosum)
SF: 10% | DEN: 1
Black Rockfish - Scorpionfish
(Sebastes melanops)
SF: 7.5% | DEN: 1.83
Coralline Sculpin - Sculpin
(Artedius corallinus)
SF: 7.5% | DEN: 1
Horn Shark - Bullhead Shark
(Heterodontus francisci)
SF: 7.5% | DEN: 1.17
Pacific Sardine - Herring
(Sardinops sagax)
SF: 7.5% | DEN: 4
Sargo - Grunt
(Anisotremus davidsoni)
SF: 7.5% | DEN: 2.33
Brown Rockfish - Scorpionfish
(Sebastes auriculatus)
SF: 6.25% | DEN: 1.4
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 5% | DEN: 1.75
Scalyhead Sculpin - Sculpin
(Artedius harringtoni)
SF: 5% | DEN: 1.25
Barred Sand Bass - Sea Bass
(Paralabrax nebulifer)
SF: 3.75% | DEN: 2
Bocaccio - Scorpionfish
(Sebastes paucispinis)
SF: 3.75% | DEN: 3
Calico Rockfish - Scorpionfish
(Sebastes dalli)
SF: 3.75% | DEN: 1.67
Tubesnout - Tubesnout
(Aulorhynchus flavidus)
SF: 3.75% | DEN: 3
Ocean Whitefish - Tilefish
(Caulolatilus princeps)
SF: 2.5% | DEN: 1.5
Onespot Fringehead - Blenny (pike, tube and flag)
(Neoclinus uninotatus)
SF: 2.5% | DEN: 1
Shiner Perch - Surfperch
(Cymatogaster aggregata)
SF: 2.5% | DEN: 2
Spotted Kelpfish - Clinid
(Gibbonsia elegans)
SF: 2.5% | DEN: 1
Topsmelt - Silverside
(Atherinops affinis)
SF: 2.5% | DEN: 3.5
Unidentified Sculpin - Sculpin
(Cottidae spp.)
SF: 2.5% | DEN: 1.5
Yellowtail Rockfish - Scorpionfish
(Sebastes flavidus)
SF: 2.5% | DEN: 1
Blue Rockfish (was Blue-blotched species) - Scorpionfish
(Sebastes mystinus)
SF: 1.25% | DEN: 2
Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 1.25% | DEN: 2
California Flyingfish - Flyingfish
(Cypselurus californicus)
SF: 1.25% | DEN: 1
Crevice Kelpfish - Clinid
(Gibbonsia montereyensis)
SF: 1.25% | DEN: 1
Kelp Greenling - Greenling
(Hexagrammos decagrammus)
SF: 1.25% | DEN: 2
Lavender Sculpin - Sculpin
(Leiocottus hirundo)
SF: 1.25% | DEN: 1
Unidentified Surfperch - Surfperch
(Embiotocidae spp.)
SF: 1.25% | DEN: 2
White Seaperch - Surfperch
(Phanerodon furcatus)
SF: 1.25% | DEN: 1
Yellowfin Fringehead - Blenny (pike, tube and flag)
(Neoclinus stephensae)
SF: 1.25% | DEN: 1