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Region: TWA

Geographic Zones: GREATER ANTILLES & VIRGIN ISLANDS - Zone 6 » British Virgin Islands - Zone 65 » Tortola (inc. Buck Is. & Frenchmans Cay) - Zone 6501 » Thumb Rock (Cooper Island) - Zone 65010044

Survey Types: Species & Abundance, Species Only

Dates: 1/1/93 - 10/16/25

Total Surveys: 53

#Species Reported: 186

Average Species Reported on a Survey by Expert Surveyors: 64.81

Average Species Reported on a Survey by Novice Surveyors: 53.26

Survey Type: SA = Species & Abundance; SO = Species Only - 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
CodeNameSASOSASO(H:M)
6GREATER ANTILLES & VIRGIN ISLANDS26024350:17
65British Virgin Islands26024350:17
6501Tortola (inc. Buck Is. & Frenchmans Cay)26024350:17
65010044Thumb Rock (Cooper Island)26024350:17
TOTALS26024350:17

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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Blue Chromis - Damselfish
(Azurina cyanea)
SF: 96.23% | DEN: 3.44
Blue Tang - Surgeonfish
(Acanthurus coeruleus)
SF: 96.23% | DEN: 2.77
Bluehead - Wrasse
(Thalassoma bifasciatum)
SF: 96.23% | DEN: 3.29
Foureye Butterflyfish - Butterflyfish
(Chaetodon capistratus)
SF: 96.23% | DEN: 2.27
French Grunt - Grunt
(Haemulon flavolineatum)
SF: 96.23% | DEN: 2.52
Stoplight Parrotfish - Parrotfish
(Sparisoma viride)
SF: 96.23% | DEN: 2.67
Coney - Seabass
(Cephalopholis fulva)
SF: 92.45% | DEN: 2.51
Ocean Surgeonfish - Surgeonfish
(Acanthurus tractus)
SF: 92.45% | DEN: 2.91
Rock Beauty - Angelfish
(Holacanthus tricolor)
SF: 92.45% | DEN: 2.07
Yellowhead Wrasse - Wrasse
(Halichoeres garnoti)
SF: 92.45% | DEN: 2.93
Bicolor Damselfish - Damselfish
(Stegastes partitus)
SF: 90.57% | DEN: 3.42
Fairy Basslet - Basslet
(Gramma loreto)
SF: 90.57% | DEN: 2.93
Princess Parrotfish - Parrotfish
(Scarus taeniopterus)
SF: 90.57% | DEN: 2.67
Yellowtail Damselfish - Damselfish
(Microspathodon chrysurus)
SF: 90.57% | DEN: 2.28
Creole Wrasse - Wrasse
(Bodianus parrae)
SF: 88.68% | DEN: 3.42
Bar Jack - Jack
(Caranx ruber)
SF: 86.79% | DEN: 2.66
Redband Parrotfish - Parrotfish
(Sparisoma aurofrenatum)
SF: 86.79% | DEN: 2.68
Black Durgon - Triggerfish
(Melichthys niger)
SF: 84.91% | DEN: 2.19
Sergeant Major - Damselfish
(Abudefduf saxatilis)
SF: 84.91% | DEN: 3.19
Sharpnose Puffer - Puffer
(Canthigaster rostrata)
SF: 84.91% | DEN: 2.02
Sand Tilefish - Tilefish
(Malacanthus plumieri)
SF: 83.02% | DEN: 2.2
Spotted Goatfish - Goatfish
(Pseudupeneus maculatus)
SF: 83.02% | DEN: 1.9
Striped Parrotfish - Parrotfish
(Scarus iseri)
SF: 83.02% | DEN: 2.58
Saucereye Porgy - Porgy
(Calamus calamus)
SF: 81.13% | DEN: 1.66
Masked Goby/Glass Goby - Goby
(Coryphopterus personatus/hyalinus)
SF: 79.25% | DEN: 3.56
Schoolmaster - Snapper
(Lutjanus apodus)
SF: 79.25% | DEN: 2.18
Spanish Hogfish - Wrasse
(Bodianus rufus)
SF: 79.25% | DEN: 2.03
Yellowhead Jawfish - Jawfish
(Opistognathus aurifrons)
SF: 79.25% | DEN: 2.33
Blackbar Soldierfish - Squirrelfish
(Myripristis jacobus)
SF: 77.36% | DEN: 2.34
Longspine Squirrelfish - Squirrelfish
(Holocentrus rufus)
SF: 77.36% | DEN: 2.3
Yellowtail Snapper - Snapper
(Ocyurus chrysurus)
SF: 77.36% | DEN: 2.63
Yellow Goatfish - Goatfish
(Mulloidichthys martinicus)
SF: 75.47% | DEN: 2.51
Graysby - Seabass
(Cephalopholis cruentata)
SF: 73.58% | DEN: 1.97
Trumpetfish - Trumpetfish
(Aulostomus maculatus)
SF: 73.58% | DEN: 1.95
Brown Chromis - Damselfish
(Azurina multilineata)
SF: 71.7% | DEN: 3.08
Bridled Goby Complex (Bridled/Sand-Canyon/Patch-Reef) - Goby
(C. glaucofraenum/C. venezuelae/C. tortugae)
SF: 64.15% | DEN: 2.42
Harlequin Bass - Seabass
(Serranus tigrinus)
SF: 64.15% | DEN: 1.82
Bermuda Chub/Gray Chub - Chub
(Kyphosus sectatrix / K. bigibbus)
SF: 62.26% | DEN: 2.03
Caesar Grunt - Grunt
(Haemulon carbonarium)
SF: 62.26% | DEN: 1.81
Longfin Damselfish - Damselfish
(Stegastes diencaeus)
SF: 62.26% | DEN: 2.28
Barred Hamlet (Caribbean) - Seabass
(Hypoplectrus puella)
SF: 60.38% | DEN: 1.68
Bluestriped Grunt - Grunt
(Haemulon sciurus)
SF: 58.49% | DEN: 1.83
Yellowtail (Redfin) Parrotfish - Parrotfish
(Sparisoma rubripinne)
SF: 58.49% | DEN: 1.97
Queen Parrotfish - Parrotfish
(Scarus vetula)
SF: 54.72% | DEN: 2.03
Red Hind - Seabass
(Epinephelus guttatus)
SF: 54.72% | DEN: 1.33
Dog Snapper - Snapper
(Lutjanus jocu)
SF: 49.06% | DEN: 1.36
Slippery Dick - Wrasse
(Halichoeres bivittatus)
SF: 49.06% | DEN: 2.36
White Grunt - Grunt
(Haemulon plumierii)
SF: 49.06% | DEN: 1.58
Clown Wrasse - Wrasse
(Halichoeres maculipinna)
SF: 47.17% | DEN: 1.96
Whitespotted Filefish - Filefish
(Cantherhines macrocerus)
SF: 47.17% | DEN: 1.61
Smooth Trunkfish - Boxfish
(Lactophrys triqueter)
SF: 45.28% | DEN: 1.59
Tarpon - Tarpon
(Megalops atlanticus)
SF: 45.28% | DEN: 1.95
Banded Butterflyfish - Butterflyfish
(Chaetodon striatus)
SF: 43.4% | DEN: 1.91
Butter Hamlet - Seabass
(Hypoplectrus unicolor)
SF: 43.4% | DEN: 1.43
Horse-eye Jack - Jack
(Caranx latus)
SF: 43.4% | DEN: 2.19
Puddingwife - Wrasse
(Halichoeres radiatus)
SF: 43.4% | DEN: 1.5
Great Barracuda - Barracuda
(Sphyraena barracuda)
SF: 41.51% | DEN: 1.15
Tobaccofish - Seabass
(Serranus tabacarius)
SF: 41.51% | DEN: 1.86
Beaugregory - Damselfish
(Stegastes leucostictus)
SF: 39.62% | DEN: 1.89
Saddled Blenny - Blenny - Labrisomids
(Malacoctenus triangulatus)
SF: 39.62% | DEN: 1.65
Spotted Drum - Drum
(Eques punctatus)
SF: 39.62% | DEN: 1.35
Mahogany Snapper - Snapper
(Lutjanus mahogoni)
SF: 37.74% | DEN: 1.75
Goldspot Goby - Goby
(Gnatholepis thompsoni)
SF: 35.85% | DEN: 2.11
Squirrelfish - Squirrelfish
(Holocentrus adscensionis)
SF: 35.85% | DEN: 1.94
Threespot Damselfish - Damselfish
(Stegastes planifrons)
SF: 35.85% | DEN: 2.11
Cocoa Damselfish - Damselfish
(Stegastes xanthurus)
SF: 33.96% | DEN: 2.18
Colon Goby - Goby
(Coryphopterus dicrus)
SF: 33.96% | DEN: 1.78
Orangespotted Filefish - Filefish
(Cantherhines pullus)
SF: 33.96% | DEN: 1.67
Redtail Parrotfish - Parrotfish
(Sparisoma chrysopterum)
SF: 33.96% | DEN: 1.83
Cero - Mackerel
(Scomberomorus regalis)
SF: 32.08% | DEN: 1.56
Shortstripe Goby - Goby
(Elacatinus chancei)
SF: 32.08% | DEN: 1.82
Black Hamlet - Seabass
(Hypoplectrus nigricans)
SF: 30.19% | DEN: 1.38
Cleaning Goby - Goby
(Elacatinus genie)
SF: 30.19% | DEN: 1.81
Porcupinefish - Porcupinefish
(Diodon hystrix)
SF: 30.19% | DEN: 1.2
Queen Triggerfish - Triggerfish
(Balistes vetula)
SF: 30.19% | DEN: 1.56
Tomtate - Grunt
(Haemulon aurolineatum)
SF: 30.19% | DEN: 2.69
Doctorfish - Surgeonfish
(Acanthurus chirurgus)
SF: 28.3% | DEN: 1.57
Queen Angelfish - Angelfish
(Holacanthus ciliaris)
SF: 28.3% | DEN: 1.38
Reef Butterflyfish - Butterflyfish
(Chaetodon sedentarius)
SF: 28.3% | DEN: 1.69
Sand Diver - Lizardfish
(Synodus intermedius)
SF: 28.3% | DEN: 1.6
Belted Cardinalfish - Cardinalfish
(Apogon townsendi)
SF: 26.42% | DEN: 1.86
French Angelfish - Angelfish
(Pomacanthus paru)
SF: 26.42% | DEN: 1.38
Gray Angelfish - Angelfish
(Pomacanthus arcuatus)
SF: 26.42% | DEN: 1.38
Sharknose Goby - Goby
(Elacatinus evelynae)
SF: 24.53% | DEN: 2
Yellowfin Mojarra - Mojarra
(Gerres cinereus)
SF: 24.53% | DEN: 1.75
Yellowtail Hamlet - Seabass
(Hypoplectrus chlorurus)
SF: 24.53% | DEN: 1.45
Flamefish - Cardinalfish
(Apogon maculatus)
SF: 22.64% | DEN: 1.83
Spotfin Butterflyfish - Butterflyfish
(Chaetodon ocellatus)
SF: 22.64% | DEN: 1.58
Chalk Bass - Seabass
(Serranus tortugarum)
SF: 20.75% | DEN: 2.18
Gray Snapper - Snapper
(Lutjanus griseus)
SF: 20.75% | DEN: 2.2
Redspotted Hawkfish - Hawkfish
(Amblycirrhitus pinos)
SF: 20.75% | DEN: 1.55
Lane Snapper - Snapper
(Lutjanus synagris)
SF: 18.87% | DEN: 2.13
Red Lionfish (exotic) - Scorpionfish
(Pterois volitans)
SF: 18.87% | DEN: 1.4
Redlip Blenny - Blenny - Combtooth
(Ophioblennius macclurei)
SF: 18.87% | DEN: 1.9
Spotted Trunkfish - Boxfish
(Lactophrys bicaudalis)
SF: 18.87% | DEN: 1.3
Bandtail Puffer - Puffer
(Sphoeroides spengleri)
SF: 16.98% | DEN: 1.5
Barred Cardinalfish - Cardinalfish
(Apogon binotatus)
SF: 16.98% | DEN: 1.88
Hawksbill Sea Turtle - Sea Turtles
(Eretmochelys imbricata)
SF: 16.98% | DEN: 1
Longjaw Squirrelfish - Squirrelfish
(Neoniphon marianus)
SF: 16.98% | DEN: 1.22
Nassau Grouper - Seabass
(Epinephelus striatus)
SF: 16.98% | DEN: 1.22
Rock Hind - Seabass
(Epinephelus adscensionis)
SF: 16.98% | DEN: 1.11
Spanish Grunt - Grunt
(Haemulon macrostoma)
SF: 16.98% | DEN: 1.33
Dusky Damselfish - Damselfish
(Stegastes adustus)
SF: 15.09% | DEN: 2.13
Longsnout Butterflyfish - Butterflyfish
(Chaetodon aculeatus)
SF: 15.09% | DEN: 1.43
Scrawled Filefish - Filefish
(Aluterus scriptus)
SF: 15.09% | DEN: 1.29
Spinyhead Blenny - Blenny - Pike, tube, and flag
(Acanthemblemaria spinosa)
SF: 15.09% | DEN: 1.45
Tan Hamlet - Seabass
(Hypoplectrus randallorum)
SF: 15.09% | DEN: 1.38
Dusky Squirrelfish - Squirrelfish
(Sargocentron vexillarium)
SF: 13.21% | DEN: 2.29
Nurse Shark - Carpet Shark
(Ginglymostoma cirratum)
SF: 13.21% | DEN: 1.14
Sailfin Blenny - Blenny - Pike, tube, and flag
(Emblemaria pandionis)
SF: 13.21% | DEN: 1.29
Spotted Eagle Ray - Eagle Ray
(Aetobatus narinari)
SF: 13.21% | DEN: 1.43
Yellowfin Grouper - Seabass
(Mycteroperca venenosa)
SF: 13.21% | DEN: 1
Glasseye Snapper (Atlantic) - Bigeye
(Heteropriacanthus cruentatus)
SF: 11.32% | DEN: 2.5
Pallid Goby - Goby
(Coryphopterus eidolon)
SF: 11.32% | DEN: 1.67
Peacock Flounder - Flounder
(Bothus lunatus)
SF: 11.32% | DEN: 1.2
Peppermint Goby - Goby
(Coryphopterus lipernes)
SF: 11.32% | DEN: 1.67
Pluma - Porgy
(Calamus pennatula)
SF: 11.32% | DEN: 1.5
Rainbow Wrasse - Wrasse
(Halichoeres pictus)
SF: 11.32% | DEN: 2.17
Southern Stingray - Stingray
(Hypanus americanus)
SF: 11.32% | DEN: 1
Spotted Moray - Moray
(Gymnothorax moringa)
SF: 11.32% | DEN: 1
Yellowbelly Hamlet - Seabass
(Hypoplectrus aberrans)
SF: 11.32% | DEN: 1.33
Black Margate - Grunt
(Anisotremus surinamensis)
SF: 9.43% | DEN: 1.6
Diamond Blenny - Blenny - Labrisomids
(Malacoctenus boehlkei)
SF: 9.43% | DEN: 1.2
Hogfish - Wrasse
(Lachnolaimus maximus)
SF: 9.43% | DEN: 1.2
Permit - Jack
(Trachinotus falcatus)
SF: 9.43% | DEN: 1
Sharksucker - Remora
(Echeneis naucrates)
SF: 9.43% | DEN: 1.4
Shy Hamlet - Seabass
(Hypoplectrus guttavarius)
SF: 9.43% | DEN: 1.25
Almaco Jack - Jack
(Seriola rivoliana)
SF: 7.55% | DEN: 1.5
Hamlet - Juvenile - Seabass
(Hypoplectrus sp.)
SF: 7.55% | DEN: 1.25
Ocean Triggerfish - Triggerfish
(Canthidermis sufflamen)
SF: 7.55% | DEN: 2
Smallmouth Grunt - Grunt
(Haemulon chrysargyreum)
SF: 7.55% | DEN: 2
Unidentified Silvery Fish (Silversides / Anchovies / Herrings) - Silvery Fishes - Silversides, Herrings, and Anchovies
(Atheriniformes sp./ Clupeiformes sp.)
SF: 7.55% | DEN: 3.75
Cubera Snapper - Snapper
(Lutjanus cyanopterus)
SF: 5.66% | DEN: 1
Goldentail Moray - Moray
(Gymnothorax miliaris)
SF: 5.66% | DEN: 1
Green Moray - Moray
(Gymnothorax funebris)
SF: 5.66% | DEN: 1
Green Sea Turtle - Sea Turtles
(Chelonia mydas)
SF: 5.66% | DEN: 1
Highhat - Drum
(Pareques acuminatus / Pareques lineatus)
SF: 5.66% | DEN: 2
Honeycomb Cowfish - Boxfish
(Acanthostracion polygonius)
SF: 5.66% | DEN: 1
Lancer Dragonet - Dragonet
(Paradiplogrammus bairdi)
SF: 5.66% | DEN: 1.67
Mutton Snapper - Snapper
(Lutjanus analis)
SF: 5.66% | DEN: 1.5
Porkfish - Grunt
(Anisotremus virginicus)
SF: 5.66% | DEN: 1
Sailors Choice - Grunt
(Haemulon parra)
SF: 5.66% | DEN: 2.67
Scrawled Cowfish - Boxfish
(Acanthostracion quadricornis)
SF: 5.66% | DEN: 1
Tiger Grouper - Seabass
(Mycteroperca tigris)
SF: 5.66% | DEN: 1
Blue Runner - Jack
(Caranx crysos)
SF: 3.77% | DEN: 2
Bluelip Hamlet - Seabass
(Hypoplectrus affinis)
SF: 3.77% | DEN: 1.5
Boga - Grunt
(Haemulon vittatum)
SF: 3.77% | DEN: 3
Brown Garden Eel - Conger
(Heteroconger longissimus)
SF: 3.77% | DEN: 4
Creolefish (Atlantic) - Seabass
(Paranthias furcifer)
SF: 3.77% | DEN: 3
Dash Goby - Goby
(Ctenogobius saepepallens)
SF: 3.77% | DEN: 1.5
Goldline Blenny - Blenny - Labrisomids
(Malacoctenus aurolineatus)
SF: 3.77% | DEN: 2.5
Greater Soapfish - Soapfishes
(Rypticus saponaceus)
SF: 3.77% | DEN: 1
Greenbanded Goby - Goby
(Tigrigobius multifasciatus)
SF: 3.77% | DEN: 1.5
Jolthead Porgy - Porgy
(Calamus bajonado)
SF: 3.77% | DEN: 1
Juvenile Grunt - Grunt
(Haemulon sp.)
SF: 3.77% | DEN: 3
Reef Shark (Caribbean) - Requiem Shark
(Carcharhinus perezii)
SF: 3.77% | DEN: 1
Rusty Goby - Goby
(Priolepis hipoliti)
SF: 3.77% | DEN: 1
Slender Filefish - Filefish
(Monacanthus tuckeri)
SF: 3.77% | DEN: 1
Whitestar Cardinalfish - Cardinalfish
(Apogon lachneri)
SF: 3.77% | DEN: 2.5
Blue Dartfish (Blue Goby) - Dartfish
(Ptereleotris calliurus)
SF: 1.89% | DEN: 1
Blue Hamlet - Seabass
(Hypoplectrus gemma)
SF: 1.89% | DEN: 1
Blue Parrotfish - Parrotfish
(Scarus coeruleus)
SF: 1.89% | DEN: 2
Bluespotted Cornetfish - Cornetfish
(Fistularia tabacaria)
SF: 1.89% | DEN: 2
Bridle Cardinalfish - Cardinalfish
(Apogon aurolineatus)
SF: 1.89% | DEN: 2
Cardinal Soldierfish - Squirrelfish
(Plectrypops retrospinis)
SF: 1.89% | DEN: 1
Crevalle Jack - Jack
(Caranx hippos)
SF: 1.89% | DEN: 1
Dusky Cardinalfish - Cardinalfish
(Phaeoptyx pigmentaria)
SF: 1.89% | DEN: 1
Eyed Flounder - Flounder
(Bothus ocellatus)
SF: 1.89% | DEN: 2
Glassy Sweeper - Sweeper
(Pempheris schomburgkii)
SF: 1.89% | DEN: 3
Gray Triggerfish - Triggerfish
(Balistes capriscus)
SF: 1.89% | DEN: 2
Green Razorfish - Wrasse
(Xyrichtys splendens)
SF: 1.89% | DEN: 2
Greenblotch Parrotfish - Parrotfish
(Sparisoma atomarium)
SF: 1.89% | DEN: 3
Houndfish - Needlefish
(Tylosurus crocodilus crocodilus)
SF: 1.89% | DEN: 2
Hovering Dartfish (Hovering Goby) - Dartfish
(Ptereleotris helenae)
SF: 1.89% | DEN: 2
Hybrid Hamlet - Seabass
(Hypoplectrus (Hybrid))
SF: 1.89% | DEN: 2
Lantern Bass - Seabass
(Serranus baldwini)
SF: 1.89% | DEN: 3
Mackerel Scad - Jack
(Decapterus macarellus)
SF: 1.89% | DEN: 3
Palehead Blenny - Blenny - Labrisomids
(Labrisomus gobio)
SF: 1.89% | DEN: 1
Rainbow Parrotfish - Parrotfish
(Scarus guacamaia)
SF: 1.89% | DEN: 2
Red Grouper - Seabass
(Epinephelus morio)
SF: 1.89% | DEN: 2
Remora - Remora
(Remora remora)
SF: 1.89% | DEN: 1
Sand-Canyon Goby (part of Bridled Goby Complex) - Goby
(Coryphopterus venezuelae (was C. bol))
SF: 1.89% | DEN: 2
Secretary Blenny - Blenny - Pike, tube, and flag
(Acanthemblemaria maria)
SF: 1.89% | DEN: 1
Topsail Chub - Chub
(Kyphosus cinerascens)
SF: 1.89% | DEN: 2
Yellow Jack - Jack
(Caranx bartholomaei)
SF: 1.89% | DEN: 3
Yellowmouth Grouper - Seabass
(Mycteroperca interstitialis)
SF: 1.89% | DEN: 1