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Region: PAC

Geographic Zones: Clarke Rock

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

Dates: 1/1/93 - 9/17/24

Total Surveys: 31

#Species Reported: 76

Average Species Reported on a Survey by Expert Surveyors: 30.62

Average Species Reported on a Survey by Novice Surveyors: 24.22

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 Columbia008401927:10
13STRAIT OF GEORGIA008401927:10
134S. Nanaimo - Victoria008401927:10
1341Gulf Islands008401927:10
134112 Newcastle Island008401927:10
13411201Clarke Rock008401927:10
TOTALS008401927:10

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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California Sea Cucumber - Echinoderms
(Parastichopus californicus)
SF: 100% | DEN: 2.89
Copper Rockfish - Scorpionfish
(Sebastes caurinus)
SF: 100% | DEN: 2.94
Kelp Greenling - Greenling
(Hexagrammos decagrammus)
SF: 100% | DEN: 2.48
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 100% | DEN: 3.3
Lingcod - Greenling
(Ophiodon elongatus)
SF: 96.77% | DEN: 2.27
Quillback Rockfish - Scorpionfish
(Sebastes maliger)
SF: 93.55% | DEN: 2.93
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 92.59% | DEN: 2.64
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 90.32% | DEN: 3.18
Wolf-eel - Wolffish
(Anarrhichthys ocellatus)
SF: 77.42% | DEN: 1.88
Green Sea Urchin - Echinoderms
(Strongylocentrotus droebachiensis)
SF: 74.07% | DEN: 2.4
Leather Star - Echinoderms
(Dermasterias imbricata)
SF: 74.07% | DEN: 2.6
Yellow Margin Dorid Complex - Mollusks
(Cadlina luteomarginata/sylviaearleae/klasmalmbergi/jannanicholsae/Acanthodoris hudsoni)
SF: 74.07% | DEN: 2
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 70.97% | DEN: 2.23
Orange Cup Coral - Cnidarians
(Balanophyllia elegans)
SF: 70.37% | DEN: 3.05
Shiny Orange Sea Squirt - Urochordates
(Cnemidocarpa finmarkiensis)
SF: 70.37% | DEN: 2.47
Orange Social Ascidian - Urochordates
(Metandrocarpa taylori)
SF: 66.67% | DEN: 1
Plumose Anemone - Cnidarians
(Metridium farcimen / senile)
SF: 66.67% | DEN: 2.44
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 66.67% | DEN: 2.17
Tiger Rockfish - Scorpionfish
(Sebastes nigrocinctus)
SF: 61.29% | DEN: 1.68
Orange Sea Pen - Cnidarians
(Ptilosarcus gurneyi)
SF: 59.26% | DEN: 2
Vermilion Star - Echinoderms
(Mediaster aequalis)
SF: 59.26% | DEN: 2.69
Yellow Boring Sponge - Poriferans
(Cliona californiana)
SF: 59.26% | DEN: 1
Feather Star - Echinoderms
(Florometra serratissima)
SF: 51.85% | DEN: 3
Northern Abalone - Mollusks
(Haliotis kamtschatkana)
SF: 51.85% | DEN: 2.07
Sunflower Star - Echinoderms
(Pycnopodia helianthoides)
SF: 51.85% | DEN: 1.93
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 48.39% | DEN: 2.07
Giant Pacific Octopus - Mollusks
(Enteroctopus dofleini)
SF: 48.15% | DEN: 1.62
Leafy Hornmouth - Mollusks
(Ceratostoma foliatum)
SF: 48.15% | DEN: 2.15
Spiny Pink Star - Echinoderms
(Pisaster brevispinus)
SF: 48.15% | DEN: 1.77
Longfin Sculpin - Sculpin
(Jordania zonope)
SF: 45.16% | DEN: 1.93
Striped Seaperch - Surfperch
(Embiotoca lateralis)
SF: 41.94% | DEN: 2.23
Gumboot Chiton - Mollusks
(Cryptochiton stelleri)
SF: 40.74% | DEN: 1.27
Giant Nudibranch - Mollusks
(Dendronotus iris)
SF: 37.04% | DEN: 1.7
Orange Zoanthid - Cnidarians
(Epizoanthus scotinus)
SF: 33.33% | DEN: 1
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 32.26% | DEN: 2.7
Yelloweye Rockfish - Scorpionfish
(Sebastes ruberrimus)
SF: 32.26% | DEN: 1.6
Moon Jelly - Cnidarians
(Aurelia labiata)
SF: 29.63% | DEN: 1.88
Oregon Triton - Mollusks
(Fusitriton oregonensis)
SF: 29.63% | DEN: 2.25
Orange Sea Cucumber - Echinoderms
(Cucumaria miniata)
SF: 25.93% | DEN: 2.14
Spotted Ratfish - Chimaera
(Hydrolagus colliei)
SF: 25.81% | DEN: 1.75
Scalyhead Sculpin - Sculpin
(Artedius harringtoni)
SF: 22.58% | DEN: 1.71
Coonstripe Shrimp - Arthropods
(Pandalus danae / gurneyi)
SF: 22.22% | DEN: 1.83
White-lined Dirona - Mollusks
(Dirona albolineata)
SF: 22.22% | DEN: 1.5
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 19.35% | DEN: 2.17
Whitespotted Greenling - Greenling
(Hexagrammos stelleri)
SF: 16.13% | DEN: 1.2
Chimney Sponge - Poriferans
(Rhabdocalyptus dawsoni/Staurocalyptus dowlingi)
SF: 14.81% | DEN: 1
Fringed Tube Worm - Annelids
(Dodecaceria fewkesi)
SF: 14.81% | DEN: 0.75
Lewis' Moonsnail - Mollusks
(Neverita lewisii)
SF: 14.81% | DEN: 1.75
Brown Rockfish - Scorpionfish
(Sebastes auriculatus)
SF: 12.9% | DEN: 2.75
Quillback Rockfish YOY - Scorpionfish
(Sebastes maliger (YOY))
SF: 12.9% | DEN: 1.75
Sailfin Sculpin - Sculpin
(Nautichthys oculofasciatus)
SF: 12.9% | DEN: 1
Tubesnout - Tubesnout
(Aulorhynchus flavidus)
SF: 12.9% | DEN: 3.25
Yelloweye Rockfish YOY - Scorpionfish
(Sebastes ruberrimus (YOY))
SF: 12.9% | DEN: 1.5
Yellowtail Rockfish - Scorpionfish
(Sebastes flavidus)
SF: 12.9% | DEN: 2
Fish-eating Anemone - Cnidarians
(Urticina piscivora)
SF: 11.11% | DEN: 2
Northern Feather Duster Worm - Annelids
(Eudistylia vancouveri)
SF: 11.11% | DEN: 1
Cabezon - Sculpin
(Scorpaenichthys marmoratus)
SF: 9.68% | DEN: 1.67
Longfin Gunnel - Gunnel
(Pholis clemensi)
SF: 9.68% | DEN: 1.33
Northern Anchovy - Anchovy
(Engraulis mordax)
SF: 9.68% | DEN: 4
Northern Ronquil - Ronquil
(Ronquilus jordani)
SF: 9.68% | DEN: 2
Sargassum - Algae
(Sargassum muticum)
SF: 7.41% | DEN: 1
Black Rockfish - Scorpionfish
(Sebastes melanops)
SF: 6.45% | DEN: 1
Copper Rockfish YOY - Scorpionfish
(Sebastes caurinus (YOY))
SF: 6.45% | DEN: 2
Pacific Herring - Herring
(Clupea pallasii)
SF: 6.45% | DEN: 4
Shiner Perch - Surfperch
(Cymatogaster aggregata)
SF: 6.45% | DEN: 2
Eelgrass - Algae
(Zostera marina / japonica)
SF: 3.7% | DEN: 1
Giant Barnacle - Arthropods
(Balanus nubilus)
SF: 3.7% | DEN: 1
Glassy Sea Squirt - Urochordates
(Ascidia paratropa)
SF: 3.7% | DEN: 1
Lacy Bryozoan - Bryozoans
(Phidolopora pacifica)
SF: 3.7% | DEN: 1
Northern Kelp Crab - Arthropods
(Pugettia producta)
SF: 3.7% | DEN: 1
Opalescent Nudibranch - Mollusks
(Hermissenda crassicornis / opalescens)
SF: 3.7% | DEN: 3
Spot Prawn - Arthropods
(Pandalus platyceros)
SF: 3.7% | DEN: 1
Transparent Ciona Tunicate (exotic) - Urochordates
(Ciona savignyi)
SF: 3.7% | DEN: 3
Manacled Sculpin - Sculpin
(Synchirus gilli)
SF: 3.23% | DEN: 2
Plainfin Midshipman - Toadfish
(Porichthys notatus)
SF: 3.23% | DEN: 1
Speckled Sanddab - Lefteye Flounder
(Citharichthys stigmaeus)
SF: 3.23% | DEN: 1