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Region: PAC

Geographic Zones: California - Zone 4 » SOUTHERN CALIFORNIA - Zone 42 » Southern Channel Islands - Zone 4203 » Catalina Island - Zone 420302 » Toyon Bay - Zone 42030203

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

Dates: 1/1/93 - 11/27/25

Total Surveys: 25

#Species Reported: 46

Average Species Reported on a Survey by Expert Surveyors: 16.00

Average Species Reported on a Survey by Novice Surveyors: 12.58

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)
4California100240014:42
42SOUTHERN CALIFORNIA100240014:42
4203Southern Channel Islands100240014:42
420302Catalina Island100240014:42
42030203Toyon Bay100240014:42
TOTALS100240014:42

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 Bass - Sea Bass
(Paralabrax clathratus)
SF: 92% | DEN: 2.52
Garibaldi - Damselfish
(Hypsypops rubicundus)
SF: 80% | DEN: 2.3
Rock Wrasse - Wrasse
(Halichoeres semicinctus)
SF: 76% | DEN: 2.32
California Sheephead - Wrasse
(Bodianus pulcher)
SF: 72% | DEN: 2.06
Horn Shark - Bullhead Shark
(Heterodontus francisci)
SF: 68% | DEN: 1.76
Senorita - Wrasse
(Oxyjulis californica)
SF: 68% | DEN: 2.41
Blacksmith - Damselfish
(Chromis punctipinnis)
SF: 64% | DEN: 2.69
Bluebanded Goby - Goby
(Lythrypnus dalli)
SF: 56% | DEN: 2.86
California Scorpionfish - Scorpionfish
(Scorpaena guttata)
SF: 52% | DEN: 1.54
Halfmoon - Sea Chub
(Medialuna californiensis)
SF: 52% | DEN: 1.85
Opaleye - Sea Chub
(Girella nigricans)
SF: 52% | DEN: 2.08
Sargo - Grunt
(Anisotremus davidsoni)
SF: 40% | DEN: 1.6
Bat Ray - Eagle Ray
(Myliobatis californica)
SF: 36% | DEN: 1.67
Black Perch - Surfperch
(Embiotoca jacksoni)
SF: 36% | DEN: 2
California Halibut - Sand Flounder
(Paralichthys californicus)
SF: 36% | DEN: 1.11
Silversides spp. - Silverside
(Atherinidae spp.)
SF: 36% | DEN: 3.44
Blackeye Goby - Goby
(Rhinogobiops nicholsii)
SF: 32% | DEN: 2
Northern Anchovy - Anchovy
(Engraulis mordax)
SF: 32% | DEN: 3.75
Shiner Perch - Surfperch
(Cymatogaster aggregata)
SF: 28% | DEN: 2.29
Giant Kelpfish - Clinid
(Heterostichus rostratus)
SF: 24% | DEN: 1.5
Yellowfin Croaker - Drum
(Umbrina roncador)
SF: 24% | DEN: 2
Round Stingray - Round Stingray
(Urolophus halleri)
SF: 20% | DEN: 1.2
Salema - Grunt
(Xenistius californiensis)
SF: 20% | DEN: 2.4
Shovelnose Guitarfish - Guitarfish
(Rhinobatos productus)
SF: 20% | DEN: 2
California Moray - Moray
(Gymnothorax mordax)
SF: 16% | DEN: 1.5
Kelp Perch - Surfperch
(Brachyistius frenatus)
SF: 16% | DEN: 3
Zebraperch - Sea Chub
(Hermosilla azurea)
SF: 16% | DEN: 1.75
C-O Sole - Righteye Flounder
(Pleuronichthys coenosus)
SF: 12% | DEN: 1.33
Barred Surfperch - Surfperch
(Amphistichus argenteus)
SF: 8% | DEN: 2
Chub Mackerel - Mackerel
(Scomber japonicus)
SF: 8% | DEN: 4
Pile Perch - Surfperch
(Rhacochilus vacca)
SF: 8% | DEN: 2
Rubberlip Seaperch - Surfperch
(Rhacochilus toxotes)
SF: 8% | DEN: 1
Thornback - Guitarfish
(Platyrhinoidis triseriata)
SF: 8% | DEN: 1
Zebra Goby - Goby
(Lythrypnus zebra)
SF: 8% | DEN: 1
Giant Sea Bass - Wreckfish
(Stereolepis gigas)
SF: 4% | DEN: 2
Guadalupe Cardinalfish - Cardinalfish
(Apogon guadalupensis)
SF: 4% | DEN: 2
Island Kelpfish - Labrisomids
(Alloclinus holderi)
SF: 4% | DEN: 1
Jack Mackerel - Jack
(Trachurus symmetricus)
SF: 4% | DEN: 3
Kelp Rockfish - Scorpionfish
(Sebastes atrovirens)
SF: 4% | DEN: 1
Pacific Barracuda - Barracuda
(Sphyraena argentea)
SF: 4% | DEN: 1
Pacific Sardine - Herring
(Sardinops sagax)
SF: 4% | DEN: 4
Spotted Kelpfish - Clinid
(Gibbonsia elegans)
SF: 4% | DEN: 1
Topsmelt - Silverside
(Atherinops affinis)
SF: 4% | DEN: 4
Walleye Surfperch - Surfperch
(Hyperprosopon argenteum)
SF: 4% | DEN: 1
White Seaperch - Surfperch
(Phanerodon furcatus)
SF: 4% | DEN: 2
Wolf-eel - Wolffish
(Anarrhichthys ocellatus)
SF: 4% | DEN: 1