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Region: PAC

Geographic Zones: Washington - Zone 2 » SAN JUAN ISLANDS - Zone 22 » Orcas Island - Zone 2210 » Shirt-tail Reef - Zone 22100018

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

Dates: 1/1/93 - 10/13/25

Total Surveys: 50

#Species Reported: 83

Average Species Reported on a Survey by Expert Surveyors: 25.39

Average Species Reported on a Survey by Novice Surveyors: 18.22

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)
2Washington004100943:12
22SAN JUAN ISLANDS004100943:12
2210Orcas Island004100943:12
22100018Shirt-tail Reef004100943:12
TOTALS004100943:12

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: 2.32
California Sea Cucumber - Echinoderms
(Parastichopus californicus)
SF: 98% | DEN: 2.76
Copper Rockfish - Scorpionfish
(Sebastes caurinus)
SF: 94% | DEN: 2.51
Orange Sea Cucumber - Echinoderms
(Cucumaria miniata)
SF: 94% | DEN: 2.87
Red Sea Urchin - Echinoderms
(Mesocentrotus franciscanus)
SF: 94% | DEN: 3.23
Rock Scallop - Mollusks
(Crassadoma gigantea)
SF: 94% | DEN: 2.17
Coonstripe Shrimp - Arthropods
(Pandalus danae / gurneyi)
SF: 90% | DEN: 2.98
Shiny Orange Sea Squirt - Urochordates
(Cnemidocarpa finmarkiensis)
SF: 90% | DEN: 2.53
Gumboot Chiton - Mollusks
(Cryptochiton stelleri)
SF: 84% | DEN: 1.98
Kelp Greenling - Greenling
(Hexagrammos decagrammus)
SF: 84% | DEN: 1.98
White-lined Dirona - Mollusks
(Dirona albolineata)
SF: 84% | DEN: 2.21
Longfin Sculpin - Longfin Sculpins
(Jordania zonope)
SF: 82% | DEN: 2.34
Leafy Hornmouth - Mollusks
(Ceratostoma foliatum)
SF: 80% | DEN: 2.25
Quillback Rockfish - Scorpionfish
(Sebastes maliger)
SF: 74% | DEN: 1.84
Puget Sound Rockfish - Scorpionfish
(Sebastes emphaeus)
SF: 72% | DEN: 2.72
Scalyhead Sculpin - Marine Sculpins
(Artedius harringtoni)
SF: 66% | DEN: 1.94
Yellow Margin Dorid Complex - Mollusks
(Cadlina luteomarginata/sylviaearleae/klasmalmbergi/jannanicholsae/Acanthodoris hudsoni)
SF: 66% | DEN: 1.94
Lingcod - Greenling
(Ophiodon elongatus)
SF: 64% | DEN: 1.56
Giant Barnacle - Arthropods
(Balanus nubilus)
SF: 58% | DEN: 2.14
Orange Cup Coral - Cnidarians
(Balanophyllia elegans)
SF: 50% | DEN: 2.92
Orange Social Ascidian - Urochordates
(Metandrocarpa taylori)
SF: 46% | DEN: 0.96
Plumose Anemone - Cnidarians
(Metridium farcimen / senile)
SF: 36% | DEN: 2.5
Red Rock Crab - Arthropods
(Cancer productus)
SF: 36% | DEN: 2.06
Northern Ronquil - Ronquil
(Ronquilus jordani)
SF: 34% | DEN: 1.53
Yellowtail Rockfish - Scorpionfish
(Sebastes flavidus)
SF: 34% | DEN: 2.94
Leather Star - Echinoderms
(Dermasterias imbricata)
SF: 32% | DEN: 1.56
Longfin Gunnel - Gunnel
(Pholis clemensi)
SF: 32% | DEN: 1.63
Clown Dorid - Mollusks
(Triopha modesta / Triopha catalinae)
SF: 30% | DEN: 2.2
Fringed Tube Worm - Annelids
(Dodecaceria pacifica)
SF: 30% | DEN: 0.93
Sunflower Star - Echinoderms
(Pycnopodia helianthoides)
SF: 30% | DEN: 2.2
Northern Kelp Crab - Arthropods
(Pugettia producta)
SF: 28% | DEN: 1.86
Moon Jelly - Cnidarians
(Aurelia labiata)
SF: 24% | DEN: 1.75
Spinynose Sculpin - Marine Sculpins
(Asemichthys taylori)
SF: 24% | DEN: 1.25
Black Rockfish - Scorpionfish
(Sebastes melanops)
SF: 22% | DEN: 2.45
Northern Sculpin - Marine Sculpins
(Icelinus borealis)
SF: 20% | DEN: 1.8
Oregon Triton - Mollusks
(Fusitriton oregonensis)
SF: 20% | DEN: 1.6
Spiny Pink Star - Echinoderms
(Pisaster brevispinus)
SF: 20% | DEN: 1.5
Painted Greenling - Greenling
(Oxylebius pictus)
SF: 18% | DEN: 1.44
Green Sea Urchin - Echinoderms
(Strongylocentrotus droebachiensis)
SF: 16% | DEN: 1.63
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))
SF: 16% | DEN: 1.63
Tubesnout - Tubesnout
(Aulorhynchus flavidus)
SF: 16% | DEN: 3.25
Unidentified Sculpin - Marine Sculpins
(Psychrolutidae spp.)
SF: 16% | DEN: 2
Yellow Boring Sponge - Poriferans
(Cliona californiana)
SF: 16% | DEN: 1
Mosshead Warbonnet - Prickleback
(Chirolophis nugator)
SF: 14% | DEN: 1.71
Sargassum - Algae
(Sargassum muticum)
SF: 14% | DEN: 1
Red Irish Lord - Marine Sculpins
(Hemilepidotus hemilepidotus)
SF: 12% | DEN: 1
Sailfin Sculpin - Poacher
(Nautichthys oculofasciatus)
SF: 12% | DEN: 1.17
Opalescent Nudibranch - Mollusks
(Hermissenda crassicornis / opalescens)
SF: 10% | DEN: 1
Spot Prawn - Arthropods
(Pandalus platyceros)
SF: 10% | DEN: 1.4
Bull Kelp - Algae
(Nereocystis luetkeana)
SF: 8% | DEN: 3
Giant Pacific Octopus - Mollusks
(Enteroctopus dofleini)
SF: 8% | DEN: 1
San Diego Dorid / Northern Leopard Dorid - Mollusks
(Diaulula sandiegensis / odonoghuei)
SF: 8% | DEN: 1.75
Snake Prickleback - Prickleback
(Lumpenus sagitta)
SF: 8% | DEN: 1.75
Striped Seaperch - Surfperch
(Embiotoca lateralis)
SF: 8% | DEN: 2
Giant Nudibranch - Mollusks
(Dendronotus iris)
SF: 6% | DEN: 1
Lion's Mane Jelly - Cnidarians
(Cyanea capillata)
SF: 6% | DEN: 1
Vermilion Star - Echinoderms
(Mediaster aequalis)
SF: 6% | DEN: 2.33
Copper Rockfish YOY - Scorpionfish
(Sebastes caurinus (YOY))
SF: 4% | DEN: 1
Decorated Warbonnet - Prickleback
(Chirolophis decoratus)
SF: 4% | DEN: 1
Manacled Sculpin - Marine Sculpins
(Synchirus gilli)
SF: 4% | DEN: 1
Northern Feather Duster Worm - Annelids
(Eudistylia vancouveri)
SF: 4% | DEN: 1.5
Orange Zoanthid - Cnidarians
(Epizoanthus scotinus)
SF: 4% | DEN: 1
Puget Sound King Crab - Arthropods
(Echidnocerus cibarius)
SF: 4% | DEN: 2
Smoothhead Sculpin - Marine Sculpins
(Artedius lateralis)
SF: 4% | DEN: 1.5
Buffalo Sculpin - Marine Sculpins
(Enophrys bison)
SF: 2% | DEN: 2
Candy Stripe Shrimp - Arthropods
(Lebbeus grandimanus)
SF: 2% | DEN: 4
Cod Sp. (Unidentified Juvenile) - Cod
(Gadidae)
SF: 2% | DEN: 3
Crescent Gunnel - Gunnel
(Pholis laeta)
SF: 2% | DEN: 1
Dungeness Crab - Arthropods
(Cancer magister)
SF: 2% | DEN: 2
Glassy Sea Squirt - Urochordates
(Ascidia paratropa)
SF: 2% | DEN: 2
Grunt Sculpin - Grunt Sculpins
(Rhamphocottus richardsonii)
SF: 2% | DEN: 1
Lacy Bryozoan - Bryozoans
(Phidolopora pacifica)
SF: 2% | DEN: 2
Lewis' Moonsnail - Mollusks
(Neverita lewisii)
SF: 2% | DEN: 1
Pacific Cod - Cod
(Gadus macrocephalus)
SF: 2% | DEN: 3
Pacific Herring - Herring
(Clupea pallasii)
SF: 2% | DEN: 4
Padded Sculpin - Marine Sculpins
(Artedius fenestralis)
SF: 2% | DEN: 1
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 2% | DEN: 2
Roughback Sculpin - Marine Sculpins
(Chitonotus pugetensis)
SF: 2% | DEN: 2
Slender Cockscomb - Prickleback
(Anoplarchus insignis)
SF: 2% | DEN: 1
Tiger Rockfish - Scorpionfish
(Sebastes nigrocinctus)
SF: 2% | DEN: 1
Tube-dwelling Anemone - Cnidarians
(Pachycerianthus fimbriatus)
SF: 2% | DEN: 1
Unidentified Salmon - Trout
(Oncorhynchus sp.)
SF: 2% | DEN: 1
Whitespotted Greenling - Greenling
(Hexagrammos stelleri)
SF: 2% | DEN: 1