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Region: PAC

Geographic Zones: Blockhouse

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

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

Total Surveys: 6

#Species Reported: 27

Average Species Reported on a Survey by Expert Surveyors: 0

Average Species Reported on a Survey by Novice Surveyors: 14.83

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)
4California0006004:54
42SOUTHERN CALIFORNIA0006004:54
4203Southern Channel Islands0006004:54
420304San Clemente Island0006004:54
42030405Blockhouse0006004:54
TOTALS0006004:54

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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Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 100% | DEN: 2.33
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 100% | DEN: 3.83
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 100% | DEN: 3
Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 100% | DEN: 3
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 100% | DEN: 3
Kelp Bass - Sea Bass
(Paralabrax clathratus)
SF: 100% | DEN: 3
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 100% | DEN: 2.83
Senorita - Wrasse
(Oxyjulis californica)
SF: 100% | DEN: 3.17
Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 83.33% | DEN: 4
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 83.33% | DEN: 2.4
Opaleye - Sea Chub
(Girella nigricans)
SF: 83.33% | DEN: 2
California Scorpionfish - Scorpionfish
(Scorpaena guttata)
SF: 66.67% | DEN: 1.75
Giant Kelpfish - Clinid
(Heterostichus rostratus)
SF: 50% | DEN: 1
Jack Mackerel - Jack
(Trachurus symmetricus)
SF: 50% | DEN: 2.33
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 33.33% | DEN: 2
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 33.33% | DEN: 2
Rainbow Scorpionfish - Scorpionfish
(Scorpaenodes xyris)
SF: 33.33% | DEN: 1
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 16.67% | DEN: 2
C-O Sole - Righteye Flounder
(Pleuronichthys coenosus)
SF: 16.67% | DEN: 1
Cabezon - Sculpin
(Scorpaenichthys marmoratus)
SF: 16.67% | DEN: 1
California Moray - Moray
(Gymnothorax mordax)
SF: 16.67% | DEN: 2
Horn Shark - Bullhead Shark
(Heterodontus francisci)
SF: 16.67% | DEN: 1
Kelp Greenling - Greenling
(Hexagrammos decagrammus)
SF: 16.67% | DEN: 2
Silversides spp. - Silverside
(Atherinidae spp.)
SF: 16.67% | DEN: 1
Snubnose Sculpin - Sculpin
(Orthonopias triacis)
SF: 16.67% | DEN: 1
Treefish - Scorpionfish
(Sebastes serriceps)
SF: 16.67% | DEN: 1
Zebra Goby - Goby
(Lythrypnus zebra)
SF: 16.67% | DEN: 1