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Region: PAC

Geographic Zones: Fort Ross (Sonoma County)

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

Dates: 1/1/93 - 10/3/24

Total Surveys: 7

#Species Reported: 41

Average Species Reported on a Survey by Expert Surveyors: 11.67

Average Species Reported on a Survey by Novice Surveyors: 14.00

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)
4California4020015:47
41NORTHERN CALIFORNIA4020015:47
4108S Point Arena - Salmon Creek4020015:47
410801Salt Point State Park4020015:47
41080108Fort Ross (Sonoma County)4020015:47
TOTALS4020015:47

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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Northern Sea Palm - Algae
(Pterygophora californica)
SF: 100% | DEN: 3
Red Abalone - Mollusks
(Haliotis rufescens)
SF: 100% | DEN: 2.33
Kelp Greenling - Greenling
(Hexagrammos decagrammus)
SF: 85.71% | DEN: 1.67
Striped Seaperch - Surfperch
(Embiotoca lateralis)
SF: 85.71% | DEN: 1.83
Black Rockfish - Scorpionfish
(Sebastes melanops)
SF: 71.43% | DEN: 2
Bat Star - Echinoderms
(Asterina miniata)
SF: 66.67% | DEN: 3.5
Purple Urchin - Echinoderms
(Strongylocentrotus purpuratus)
SF: 66.67% | DEN: 4
San Diego Dorid / Leopard Dorid - Mollusks
(Diaulula sandiegensis / odonoghuei)
SF: 66.67% | DEN: 1.5
Blue Rockfish - generic ID - Scorpionfish
(Sebastes mystinus/diaconus)
SF: 57.14% | DEN: 2.75
Lingcod - Greenling
(Ophiodon elongatus)
SF: 57.14% | DEN: 1.75
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 57.14% | DEN: 1.5
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 42.86% | DEN: 1.33
Gopher Rockfish - Scorpionfish
(Sebastes carnatus)
SF: 42.86% | DEN: 1.67
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 42.86% | DEN: 3.33
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 42.86% | DEN: 2.33
Bull Kelp - Algae
(Nereocystis luetkeana)
SF: 33.33% | DEN: 4
California Sea Cucumber - Echinoderms
(Parastichopus californicus)
SF: 33.33% | DEN: 2
Feather Duster Worm (E. polymorpha) - Annelids
(Eudistylia polymorpha)
SF: 33.33% | DEN: 2
Giant Kelp - Algae
(Macrocystis integrifolia / pyrifera)
SF: 33.33% | DEN: 2
Gumboot Chiton - Mollusks
(Cryptochiton stelleri)
SF: 33.33% | DEN: 2
Leather Star - Echinoderms
(Dermasterias imbricata)
SF: 33.33% | DEN: 1
Oarweed - Algae
(Laminaria farlowii)
SF: 33.33% | DEN: 4
Orange Cup Coral - Cnidarians
(Balanophyllia elegans)
SF: 33.33% | DEN: 3
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 33.33% | DEN: 2
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 33.33% | DEN: 1
Sea Lemon - Mollusks
(Peltodoris nobilis)
SF: 33.33% | DEN: 1
Spiny Brittlestar - Echinoderms
(Ophiothrix spiculata)
SF: 33.33% | DEN: 2
Strawberry Anemone - Cnidarians
(Corynactis californica)
SF: 33.33% | DEN: 1
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 28.57% | DEN: 1.5
Blue Rockfish (was Blue-blotched species) - Scorpionfish
(Sebastes mystinus)
SF: 28.57% | DEN: 4
Copper Rockfish - Scorpionfish
(Sebastes caurinus)
SF: 28.57% | DEN: 2
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 28.57% | DEN: 2
Stripefin Ronquil (R. alleni) - Ronquil
(Rathbunella alleni)
SF: 28.57% | DEN: 1
Black-and-Yellow Rockfish - Scorpionfish
(Sebastes chrysomelas)
SF: 14.29% | DEN: 1
Cabezon - Sculpin
(Scorpaenichthys marmoratus)
SF: 14.29% | DEN: 1
Coralline Sculpin - Sculpin
(Artedius corallinus)
SF: 14.29% | DEN: 1
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 14.29% | DEN: 2
Leopard Shark - Requiem Shark
(Triakis semifasciata)
SF: 14.29% | DEN: 1
Olive Rockfish - Scorpionfish
(Sebastes serranoides)
SF: 14.29% | DEN: 2
Snubnose Sculpin - Sculpin
(Orthonopias triacis)
SF: 14.29% | DEN: 1
Yellowtail Rockfish - Scorpionfish
(Sebastes flavidus)
SF: 14.29% | DEN: 2