%SF = Sighting Frequency; DEN = Density Score -
How to interpret REEF data?
Bar length corresponds to sighting frequency
Color saturation corresponds to density score
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Plumose Anemone - Cnidarians
(Metridium farcimen / senile)

| Expert | Novice | Total |
| SF | 100% | 100% | 100% |
| Den | 3.32 | 3.52 | 3.38 |
Red Rock Crab - Arthropods
(Cancer productus)

| Expert | Novice | Total |
| SF | 100% | 100% | 100% |
| Den | 2.79 | 2.57 | 2.73 |
Leather Star - Echinoderms
(Dermasterias imbricata)

| Expert | Novice | Total |
| SF | 100% | 95.65% | 98.75% |
| Den | 2.53 | 2.36 | 2.48 |
Coonstripe Shrimp - Arthropods
(Pandalus danae / gurneyi)

| Expert | Novice | Total |
| SF | 98.25% | 95.65% | 97.5% |
| Den | 3.36 | 3.23 | 3.32 |
California Sea Cucumber - Echinoderms
(Parastichopus californicus)

| Expert | Novice | Total |
| SF | 92.98% | 86.96% | 91.25% |
| Den | 2.55 | 2.3 | 2.48 |
Blackeye Goby - Goby
(Rhinogobiops nicholsii)

| Expert | Novice | Total |
| SF | 87.72% | 78.26% | 85% |
| Den | 2.1 | 1.83 | 2.03 |
Spot Prawn - Arthropods
(Pandalus platyceros)

| Expert | Novice | Total |
| SF | 80.7% | 73.91% | 78.75% |
| Den | 2.93 | 2.82 | 2.9 |
Sunflower Star - Echinoderms
(Pycnopodia helianthoides)

| Expert | Novice | Total |
| SF | 78.95% | 65.22% | 75% |
| Den | 2.16 | 2.2 | 2.17 |
Plainfin Midshipman - Toadfish
(Porichthys notatus)
| Expert | Novice | Total |
| SF | 68.42% | 56.52% | 65% |
| Den | 2.15 | 2 | 2.12 |
Shiner Perch - Surfperch
(Cymatogaster aggregata)

| Expert | Novice | Total |
| SF | 68.42% | 47.83% | 62.5% |
| Den | 2.44 | 1.91 | 2.32 |
Squat Lobster - Arthropods
(Munida quadrispina)

| Expert | Novice | Total |
| SF | 61.4% | 65.22% | 62.5% |
| Den | 3.74 | 3.73 | 3.74 |
English Sole - Righteye Flounder
(Parophrys vetulus)
| Expert | Novice | Total |
| SF | 66.67% | 34.78% | 57.5% |
| Den | 1.82 | 1.63 | 1.78 |
Speckled Sanddab - Sand Flounder
(Citharichthys stigmaeus)

| Expert | Novice | Total |
| SF | 59.65% | 43.48% | 55% |
| Den | 1.79 | 1.8 | 1.8 |
Sailfin Sculpin - Poacher
(Nautichthys oculofasciatus)

| Expert | Novice | Total |
| SF | 57.89% | 26.09% | 48.75% |
| Den | 1.52 | 1.17 | 1.46 |
Sargassum - Algae
(Sargassum muticum)

| Expert | Novice | Total |
| SF | 47.37% | 52.17% | 48.75% |
| Den | 1 | 1 | 1 |
Northern Kelp Crab - Arthropods
(Pugettia producta)

| Expert | Novice | Total |
| SF | 56.14% | 26.09% | 47.5% |
| Den | 1.66 | 2 | 1.71 |
Dungeness Crab - Arthropods
(Metacarcinus magister)

| Expert | Novice | Total |
| SF | 43.86% | 52.17% | 46.25% |
| Den | 1.72 | 1.92 | 1.78 |
Slender Sole - Righteye Flounder
(Lyopsetta exilis)
| Expert | Novice | Total |
| SF | 43.86% | 47.83% | 45% |
| Den | 1.64 | 1.64 | 1.64 |
Spiny Pink Star - Echinoderms
(Pisaster brevispinus)

| Expert | Novice | Total |
| SF | 42.11% | 47.83% | 43.75% |
| Den | 1.79 | 1.91 | 1.83 |
Northern Spearnose Poacher - Poacher
(Agonopsis vulsa)
| Expert | Novice | Total |
| SF | 45.61% | 34.78% | 42.5% |
| Den | 1.5 | 1.13 | 1.41 |
Roughback Sculpin - Marine Sculpins
(Chitonotus pugetensis)

| Expert | Novice | Total |
| SF | 45.61% | 26.09% | 40% |
| Den | 1.46 | 1.67 | 1.5 |
Pacific Staghorn Sculpin - Sculpin
(Leptocottus armatus)
| Expert | Novice | Total |
| SF | 47.37% | 17.39% | 38.75% |
| Den | 1.7 | 1.5 | 1.68 |
Padded Sculpin - Marine Sculpins
(Artedius fenestralis)
| Expert | Novice | Total |
| SF | 33.33% | 21.74% | 30% |
| Den | 1.11 | 1.2 | 1.13 |
Graceful Crab - Arthropods
(Metacarcinus gracilis)

| Expert | Novice | Total |
| SF | 31.58% | 21.74% | 28.75% |
| Den | 2 | 1.8 | 1.96 |
Longspine Combfish - Greenling
(Zaniolepis latipinnis)
| Expert | Novice | Total |
| SF | 31.58% | 13.04% | 26.25% |
| Den | 1.17 | 1 | 1.14 |
Shiny Orange Sea Squirt - Urochordates
(Cnemidocarpa finmarkiensis)

| Expert | Novice | Total |
| SF | 29.82% | 13.04% | 25% |
| Den | 1.47 | 1.67 | 1.5 |
Southern Rock Sole - Righteye Flounder
(Lepidopsetta bilineata)

| Expert | Novice | Total |
| SF | 26.32% | 4.35% | 20% |
| Den | 1.13 | 1 | 1.13 |
Crescent Gunnel - Gunnel
(Pholis laeta)

| Expert | Novice | Total |
| SF | 19.3% | 8.7% | 16.25% |
| Den | 1.36 | 1 | 1.31 |
Pygmy Poacher - Poacher
(Odontopyxis trispinosa)

| Expert | Novice | Total |
| SF | 17.54% | 13.04% | 16.25% |
| Den | 1.4 | 1 | 1.31 |
Saddleback Gunnel - Gunnel
(Pholis ornata)
| Expert | Novice | Total |
| SF | 19.3% | 8.7% | 16.25% |
| Den | 1.36 | 1.5 | 1.38 |
Bay Pipefish - Pipefish & Seahorse
(Syngnathus leptorhynchus)

| Expert | Novice | Total |
| SF | 17.54% | 8.7% | 15% |
| Den | 1.5 | 2 | 1.58 |
Walleye Pollock - Cod
(Theragra chalcogramma)
| Expert | Novice | Total |
| SF | 19.3% | 4.35% | 15% |
| Den | 2 | 3 | 2.08 |
Yellow Margin Dorid Complex - Mollusks
(Cadlina luteomarginata/sylviaearleae/klasmalmbergi/jannanicholsae/Acanthodoris hudsoni)

| Expert | Novice | Total |
| SF | 15.79% | 13.04% | 15% |
| Den | 1.33 | 1.33 | 1.33 |
Buffalo Sculpin - Marine Sculpins
(Enophrys bison)

| Expert | Novice | Total |
| SF | 15.79% | 8.7% | 13.75% |
| Den | 1.11 | 1 | 1.09 |
Starry Flounder - Righteye Flounder
(Platichthys stellatus)
| Expert | Novice | Total |
| SF | 14.04% | 8.7% | 12.5% |
| Den | 1.13 | 1.5 | 1.2 |
Spiny Dogfish - Dogfish Shark
(Squalus suckleyi)
| Expert | Novice | Total |
| SF | 14.04% | 4.35% | 11.25% |
| Den | 1.88 | 1 | 1.78 |
Blackbelly Eelpout - Eelpout
(Lycodes pacificus)
| Expert | Novice | Total |
| SF | 12.28% | 4.35% | 10% |
| Den | 1.14 | 1 | 1.13 |
Moon Jelly - Cnidarians
(Aurelia labiata)

| Expert | Novice | Total |
| SF | 8.77% | 13.04% | 10% |
| Den | 1.6 | 1.67 | 1.63 |
Pacific Sanddab - Sand Flounder
(Citharichthys sordidus)
| Expert | Novice | Total |
| SF | 10.53% | 8.7% | 10% |
| Den | 1 | 1 | 1 |
Tidepool Sculpin - Marine Sculpins
(Oligocottus maculosus)
| Expert | Novice | Total |
| SF | 12.28% | 4.35% | 10% |
| Den | 1.14 | 1 | 1.13 |
White-lined Dirona - Mollusks
(Dirona albolineata)

| Expert | Novice | Total |
| SF | 14.04% | 0% | 10% |
| Den | 1.5 | 0 | 1.5 |
Grunt Sculpin - Grunt Sculpins
(Rhamphocottus richardsonii)

| Expert | Novice | Total |
| SF | 10.53% | 4.35% | 8.75% |
| Den | 1 | 1 | 1 |
High Cockscomb - Prickleback
(Anoplarchus purpurescens)
| Expert | Novice | Total |
| SF | 10.53% | 4.35% | 8.75% |
| Den | 1.17 | 1 | 1.14 |
Juvenile Salmonid - Trout
(Salmonidae spp.)
| Expert | Novice | Total |
| SF | 10.53% | 4.35% | 8.75% |
| Den | 1.83 | 2 | 1.86 |
Lion's Mane Jelly - Cnidarians
(Cyanea capillata)

| Expert | Novice | Total |
| SF | 8.77% | 8.7% | 8.75% |
| Den | 1.2 | 1.5 | 1.29 |
Slender Cockscomb - Prickleback
(Anoplarchus insignis)
| Expert | Novice | Total |
| SF | 12.28% | 0% | 8.75% |
| Den | 1.43 | 0 | 1.43 |
Snake Prickleback - Prickleback
(Lumpenus sagitta)
| Expert | Novice | Total |
| SF | 8.77% | 8.7% | 8.75% |
| Den | 1.2 | 1 | 1.14 |
Quillback Rockfish - Scorpionfish
(Sebastes maliger)

| Expert | Novice | Total |
| SF | 7.02% | 8.7% | 7.5% |
| Den | 1 | 1.5 | 1.17 |
Threespine Stickleback - Stickleback
(Gasterosteus aculeatus)
| Expert | Novice | Total |
| SF | 10.53% | 0% | 7.5% |
| Den | 1.17 | 0 | 1.17 |
Transparent Ciona Tunicate (exotic) - Urochordates
(Ciona savignyi)

| Expert | Novice | Total |
| SF | 8.77% | 4.35% | 7.5% |
| Den | 1.6 | 2 | 1.67 |
Lewis' Moonsnail - Mollusks
(Neverita lewisii)

| Expert | Novice | Total |
| SF | 7.02% | 4.35% | 6.25% |
| Den | 1 | 1 | 1 |
Painted Greenling - Greenling
(Oxylebius pictus)

| Expert | Novice | Total |
| SF | 8.77% | 0% | 6.25% |
| Den | 1.2 | 0 | 1.2 |
San Diego Dorid / Northern Leopard Dorid - Mollusks
(Diaulula sandiegensis / odonoghuei)

| Expert | Novice | Total |
| SF | 7.02% | 4.35% | 6.25% |
| Den | 1 | 1 | 1 |
Sand Sole - Righteye Flounder
(Psettichthys melanostictus)
| Expert | Novice | Total |
| SF | 7.02% | 4.35% | 6.25% |
| Den | 1 | 1 | 1 |
Unidentified Slender / High Cockscomb - Prickleback
(Anoplarchus sp.)
| Expert | Novice | Total |
| SF | 8.77% | 0% | 6.25% |
| Den | 1.2 | 0 | 1.2 |
Cod Sp. (Unidentified Juvenile) - Cod
(Gadidae)
| Expert | Novice | Total |
| SF | 3.51% | 8.7% | 5% |
| Den | 1.5 | 1.5 | 1.5 |
Smoothhead Sculpin - Marine Sculpins
(Artedius lateralis)
| Expert | Novice | Total |
| SF | 7.02% | 0% | 5% |
| Den | 1 | 0 | 1 |
Blackfin Sculpin - Marine Sculpins
(Malacocottus kincaidi)
| Expert | Novice | Total |
| SF | 3.51% | 4.35% | 3.75% |
| Den | 1.5 | 2 | 1.67 |
Brown Rockfish - Scorpionfish
(Sebastes auriculatus)

| Expert | Novice | Total |
| SF | 5.26% | 0% | 3.75% |
| Den | 1 | 0 | 1 |
Giant Pacific Octopus - Mollusks
(Enteroctopus dofleini)

| Expert | Novice | Total |
| SF | 3.51% | 4.35% | 3.75% |
| Den | 1 | 1 | 1 |
Orange Sea Pen - Cnidarians
(Ptilosarcus gurneyi)

| Expert | Novice | Total |
| SF | 3.51% | 4.35% | 3.75% |
| Den | 1 | 1 | 1 |
Slim Sculpin - Marine Sculpins
(Radulinus asprellus)
| Expert | Novice | Total |
| SF | 3.51% | 4.35% | 3.75% |
| Den | 2 | 3 | 2.33 |
Surf Smelt - Smelts
(Hypomesus pretiosus)
| Expert | Novice | Total |
| SF | 5.26% | 0% | 3.75% |
| Den | 2 | 0 | 2 |
C-O Sole - Righteye Flounder
(Pleuronichthys coenosus)

| Expert | Novice | Total |
| SF | 1.75% | 4.35% | 2.5% |
| Den | 1 | 1 | 1 |
Chum Salmon - Trout
(Oncorhynchus keta)
| Expert | Novice | Total |
| SF | 1.75% | 4.35% | 2.5% |
| Den | 3 | 3 | 3 |
Copper Rockfish - Scorpionfish
(Sebastes caurinus)

| Expert | Novice | Total |
| SF | 3.51% | 0% | 2.5% |
| Den | 2 | 0 | 2 |
Eelgrass - Algae
(Zostera marina / japonica)

| Expert | Novice | Total |
| SF | 3.51% | 0% | 2.5% |
| Den | 1 | 0 | 1 |
Pacific Tomcod - Cod
(Microgadus proximus)
| Expert | Novice | Total |
| SF | 3.51% | 0% | 2.5% |
| Den | 1.5 | 0 | 1.5 |
Quillback Rockfish YOY - Scorpionfish
(Sebastes maliger (YOY))
| Expert | Novice | Total |
| SF | 1.75% | 4.35% | 2.5% |
| Den | 2 | 2 | 2 |
Scalyhead Sculpin - Marine Sculpins
(Artedius harringtoni)

| Expert | Novice | Total |
| SF | 3.51% | 0% | 2.5% |
| Den | 1 | 0 | 1 |
Spinycheek Starsnout - Poacher
(Bathyagonus infraspinatus)
| Expert | Novice | Total |
| SF | 3.51% | 0% | 2.5% |
| Den | 1 | 0 | 1 |
Spotted Ratfish - Chimaera
(Hydrolagus colliei)

| Expert | Novice | Total |
| SF | 1.75% | 4.35% | 2.5% |
| Den | 2 | 2 | 2 |
Tubesnout - Tubesnout
(Aulorhynchus flavidus)

| Expert | Novice | Total |
| SF | 3.51% | 0% | 2.5% |
| Den | 2.5 | 0 | 2.5 |
Unidentified Salmon - Trout
(Oncorhynchus sp.)
| Expert | Novice | Total |
| SF | 1.75% | 4.35% | 2.5% |
| Den | 3 | 3 | 3 |
Unidentified Sculpin - Marine Sculpins
(Psychrolutidae spp.)
| Expert | Novice | Total |
| SF | 0% | 8.7% | 2.5% |
| Den | 0 | 1 | 1 |
Wolf-eel - Wolffish
(Anarrhichthys ocellatus)

| Expert | Novice | Total |
| SF | 3.51% | 0% | 2.5% |
| Den | 1 | 0 | 1 |
Blacktip Poacher - Poacher
(Xeneretmus latifrons)
| Expert | Novice | Total |
| SF | 1.75% | 0% | 1.25% |
| Den | 1 | 0 | 1 |
Chinook Salmon Juvenile - Trout
(Oncorhynchus tshawytscha)
| Expert | Novice | Total |
| SF | 1.75% | 0% | 1.25% |
| Den | 3 | 0 | 3 |
Green Sea Urchin - Echinoderms
(Strongylocentrotus droebachiensis)

| Expert | Novice | Total |
| SF | 0% | 4.35% | 1.25% |
| Den | 0 | 1 | 1 |
Juvenile (YOY) Rockfish - Unidentified - Scorpionfish
(Sebastes sp. (YOY))

| Expert | Novice | Total |
| SF | 1.75% | 0% | 1.25% |
| Den | 1 | 0 | 1 |
Northern Ronquil - Ronquil
(Ronquilus jordani)

| Expert | Novice | Total |
| SF | 1.75% | 0% | 1.25% |
| Den | 1 | 0 | 1 |
Orange Sea Cucumber - Echinoderms
(Cucumaria miniata)

| Expert | Novice | Total |
| SF | 1.75% | 0% | 1.25% |
| Den | 2 | 0 | 2 |
Pacific Cod - Cod
(Gadus macrocephalus)
| Expert | Novice | Total |
| SF | 1.75% | 0% | 1.25% |
| Den | 1 | 0 | 1 |
Pacific Herring - Herring
(Clupea pallasii)
| Expert | Novice | Total |
| SF | 1.75% | 0% | 1.25% |
| Den | 3 | 0 | 3 |
Pile Perch - Surfperch
(Rhacochilus vacca)

| Expert | Novice | Total |
| SF | 1.75% | 0% | 1.25% |
| Den | 1 | 0 | 1 |
Quillfish - Quillfish
(Ptilichthys goodei)
| Expert | Novice | Total |
| SF | 1.75% | 0% | 1.25% |
| Den | 1 | 0 | 1 |
Red Irish Lord - Marine Sculpins
(Hemilepidotus hemilepidotus)

| Expert | Novice | Total |
| SF | 1.75% | 0% | 1.25% |
| Den | 2 | 0 | 2 |
Slipskin Snailfish - Snailfish
(Liparis fucensis)
| Expert | Novice | Total |
| SF | 1.75% | 0% | 1.25% |
| Den | 1 | 0 | 1 |
Striped Seaperch - Surfperch
(Embiotoca lateralis)

| Expert | Novice | Total |
| SF | 1.75% | 0% | 1.25% |
| Den | 1 | 0 | 1 |
Unidentified Gunnel - Gunnel
(Pholidae sp.)
| Expert | Novice | Total |
| SF | 0% | 4.35% | 1.25% |
| Den | 0 | 1 | 1 |
Unidentified Snailfish - Snailfish
(Liparidae sp.)
| Expert | Novice | Total |
| SF | 1.75% | 0% | 1.25% |
| Den | 1 | 0 | 1 |