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Region: PAC

Geographic Zones: California - Zone 4 » NORTHERN CALIFORNIA - Zone 41 » S Point Cabrillo - N Point Arena - Zone 4107 » Arena Rock - Zone 41070004

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

Dates: 1/1/93 - 10/16/25

Total Surveys: 4

#Species Reported: 18

Average Species Reported on a Survey by Expert Surveyors: 14.00

Average Species Reported on a Survey by Novice Surveyors: 7.50

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)
4California2002002:17
41NORTHERN CALIFORNIA2002002:17
4107S Point Cabrillo - N Point Arena2002002:17
41070004Arena Rock2002002:17
TOTALS2002002:17

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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Black Rockfish - Scorpionfish
(Sebastes melanops)
SF: 100% | DEN: 3.5
Blue Rockfish - generic ID - Scorpionfish
(Sebastes mystinus/diaconus)
SF: 100% | DEN: 3.25
China Rockfish - Scorpionfish
(Sebastes nebulosus)
SF: 100% | DEN: 2.75
Gopher Rockfish - Scorpionfish
(Sebastes carnatus)
SF: 100% | DEN: 2
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 75% | DEN: 4
Kelp Greenling - Greenling
(Hexagrammos decagrammus)
SF: 75% | DEN: 2
Lingcod - Greenling
(Ophiodon elongatus)
SF: 75% | DEN: 2
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 75% | DEN: 2
Cabezon - Longfin Sculpins
(Scorpaenichthys marmoratus)
SF: 50% | DEN: 2
Copper Rockfish - Scorpionfish
(Sebastes caurinus)
SF: 50% | DEN: 1
Vermilion Rockfish - Scorpionfish
(Sebastes miniatus)
SF: 50% | DEN: 1.5
Yelloweye Rockfish - Scorpionfish
(Sebastes ruberrimus)
SF: 50% | DEN: 2.5
Yellowtail Rockfish - Scorpionfish
(Sebastes flavidus)
SF: 50% | DEN: 3
Rosy Rockfish - Scorpionfish
(Sebastes rosaceus)
SF: 25% | DEN: 2
Scalyhead Sculpin - Marine Sculpins
(Artedius harringtoni)
SF: 25% | DEN: 2
Silversides spp. - Silverside
(Atherinidae spp.)
SF: 25% | DEN: 1
Stripefin Ronquil (R. alleni) - Ronquil
(Rathbunella alleni)
SF: 25% | DEN: 1
Wolf-eel - Wolffish
(Anarrhichthys ocellatus)
SF: 25% | DEN: 1