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Region: PAC

Geographic Zones: Onion Isl.

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

Dates: 1/1/93 - 4/15/24

Total Surveys: 18

#Species Reported: 24

Average Species Reported on a Survey by Expert Surveyors: 8.00

Average Species Reported on a Survey by Novice Surveyors: 9.41

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)
1British Columbia100170013:24
12WESTERN VANCOUVER ISLAND (Fredericksen Pt - Cape Beale)100170013:24
1209Ucluelet - Cape Beale100170013:24
12092Broken Group Islands (Barkley Sound)100170013:24
120923Jarvis, Jacques, Gibraltar, Dempster Isls.100170013:24
12092303Onion Isl.100170013:24
TOTALS100170013:24

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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Kelp Greenling - Greenling
(Hexagrammos decagrammus)
SF: 100% | DEN: 2.28
Copper Rockfish - Scorpionfish
(Sebastes caurinus)
SF: 94.44% | DEN: 2.88
Black Rockfish - Scorpionfish
(Sebastes melanops)
SF: 88.89% | DEN: 2.94
Yellowtail Rockfish - Scorpionfish
(Sebastes flavidus)
SF: 83.33% | DEN: 3.13
China Rockfish - Scorpionfish
(Sebastes nebulosus)
SF: 66.67% | DEN: 1.67
Striped Seaperch - Surfperch
(Embiotoca lateralis)
SF: 61.11% | DEN: 2.36
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 55.56% | DEN: 3.4
Puget Sound Rockfish - Scorpionfish
(Sebastes emphaeus)
SF: 55.56% | DEN: 2.8
Brown Rockfish - Scorpionfish
(Sebastes auriculatus)
SF: 44.44% | DEN: 1.5
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 44.44% | DEN: 2.25
Lingcod - Greenling
(Ophiodon elongatus)
SF: 38.89% | DEN: 1.57
Quillback Rockfish - Scorpionfish
(Sebastes maliger)
SF: 38.89% | DEN: 1.71
Longfin Sculpin - Sculpin
(Jordania zonope)
SF: 33.33% | DEN: 2
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 33.33% | DEN: 1.17
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 22.22% | DEN: 3.25
Tiger Rockfish - Scorpionfish
(Sebastes nigrocinctus)
SF: 22.22% | DEN: 1.25
Red Irish Lord - Sculpin
(Hemilepidotus hemilepidotus)
SF: 11.11% | DEN: 1
Bay Goby - Goby
(Lepidogobius lepidus)
SF: 5.56% | DEN: 3
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 5.56% | DEN: 2
Scalyhead Sculpin - Sculpin
(Artedius harringtoni)
SF: 5.56% | DEN: 2
Shiner Perch - Surfperch
(Cymatogaster aggregata)
SF: 5.56% | DEN: 3
Spotted Ratfish - Chimaera
(Hydrolagus colliei)
SF: 5.56% | DEN: 1
Unidentified Sculpin - Sculpin
(Cottidae spp.)
SF: 5.56% | DEN: 2
Whitespotted Greenling - Greenling
(Hexagrammos stelleri)
SF: 5.56% | DEN: 1