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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 » Dead Chest West (Dead Chest Island) - Zone 65010042

Survey Types: Species & Abundance, Species Only

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

Total Surveys: 39

#Species Reported: 174

Average Species Reported on a Survey by Expert Surveyors: 71.88

Average Species Reported on a Survey by Novice Surveyors: 76.29

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 ISLANDS25013134:08
65British Virgin Islands25013134:08
6501Tortola (inc. Buck Is. & Frenchmans Cay)25013134:08
65010042Dead Chest West (Dead Chest Island)25013134:08
TOTALS25013134:08

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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Bar Jack - Jack
(Caranx ruber)
SF: 100% | DEN: 2.87
Fairy Basslet - Basslet
(Gramma loreto)
SF: 100% | DEN: 3.5
French Grunt - Grunt
(Haemulon flavolineatum)
SF: 100% | DEN: 3.26
Stoplight Parrotfish - Parrotfish
(Sparisoma viride)
SF: 100% | DEN: 3.13
Yellow Goatfish - Goatfish
(Mulloidichthys martinicus)
SF: 100% | DEN: 3.08
Bicolor Damselfish - Damselfish
(Stegastes partitus)
SF: 97.44% | DEN: 3.73
Blackbar Soldierfish - Squirrelfish
(Myripristis jacobus)
SF: 97.44% | DEN: 2.89
Blue Chromis - Damselfish
(Azurina cyanea)
SF: 97.44% | DEN: 3.65
Blue Tang - Surgeonfish
(Acanthurus coeruleus)
SF: 97.44% | DEN: 3.49
Brown Chromis - Damselfish
(Azurina multilineata)
SF: 97.44% | DEN: 3.38
Foureye Butterflyfish - Butterflyfish
(Chaetodon capistratus)
SF: 97.44% | DEN: 2.16
Ocean Surgeonfish - Surgeonfish
(Acanthurus tractus)
SF: 97.44% | DEN: 3.43
Schoolmaster - Snapper
(Lutjanus apodus)
SF: 97.44% | DEN: 2.59
Sharpnose Puffer - Puffer
(Canthigaster rostrata)
SF: 97.44% | DEN: 2.41
Yellowtail Damselfish - Damselfish
(Microspathodon chrysurus)
SF: 97.44% | DEN: 2.38
Bluehead - Wrasse
(Thalassoma bifasciatum)
SF: 94.87% | DEN: 3.72
Masked Goby/Glass Goby - Goby
(Coryphopterus personatus/hyalinus)
SF: 94.87% | DEN: 3.92
Redband Parrotfish - Parrotfish
(Sparisoma aurofrenatum)
SF: 94.87% | DEN: 2.81
Rock Beauty - Angelfish
(Holacanthus tricolor)
SF: 94.87% | DEN: 1.94
Sergeant Major - Damselfish
(Abudefduf saxatilis)
SF: 94.87% | DEN: 3.14
Yellowhead Jawfish - Jawfish
(Opistognathus aurifrons)
SF: 94.87% | DEN: 3.58
Yellowhead Wrasse - Wrasse
(Halichoeres garnoti)
SF: 94.87% | DEN: 3.56
Barred Hamlet (Caribbean) - Seabass
(Hypoplectrus puella)
SF: 92.31% | DEN: 1.77
Caesar Grunt - Grunt
(Haemulon carbonarium)
SF: 92.31% | DEN: 2.26
Graysby - Seabass
(Cephalopholis cruentata)
SF: 92.31% | DEN: 2.29
Princess Parrotfish - Parrotfish
(Scarus taeniopterus)
SF: 92.31% | DEN: 2.71
Trumpetfish - Trumpetfish
(Aulostomus maculatus)
SF: 92.31% | DEN: 2.03
Beaugregory - Damselfish
(Stegastes leucostictus)
SF: 89.74% | DEN: 2.5
Coney - Seabass
(Cephalopholis fulva)
SF: 89.74% | DEN: 2.18
Harlequin Bass - Seabass
(Serranus tigrinus)
SF: 89.74% | DEN: 2.03
Longspine Squirrelfish - Squirrelfish
(Holocentrus rufus)
SF: 89.74% | DEN: 2.65
Mahogany Snapper - Snapper
(Lutjanus mahogoni)
SF: 89.74% | DEN: 2.47
Spanish Hogfish - Wrasse
(Bodianus rufus)
SF: 89.74% | DEN: 2.12
Spotted Goatfish - Goatfish
(Pseudupeneus maculatus)
SF: 89.74% | DEN: 2.09
Striped Parrotfish - Parrotfish
(Scarus iseri)
SF: 89.74% | DEN: 2.74
Glasseye Snapper (Atlantic) - Bigeye
(Heteropriacanthus cruentatus)
SF: 87.18% | DEN: 2.45
Redtail Parrotfish - Parrotfish
(Sparisoma chrysopterum)
SF: 87.18% | DEN: 2.21
White Grunt - Grunt
(Haemulon plumierii)
SF: 87.18% | DEN: 2.09
Yellowtail Snapper - Snapper
(Ocyurus chrysurus)
SF: 87.18% | DEN: 2.7
Bridled Goby Complex (Bridled/Sand-Canyon/Patch-Reef) - Goby
(C. glaucofraenum/C. venezuelae/C. tortugae)
SF: 84.62% | DEN: 2.59
Clown Wrasse - Wrasse
(Halichoeres maculipinna)
SF: 84.62% | DEN: 2.63
Longfin Damselfish - Damselfish
(Stegastes diencaeus)
SF: 84.62% | DEN: 2.66
Queen Parrotfish - Parrotfish
(Scarus vetula)
SF: 84.62% | DEN: 2.22
Banded Butterflyfish - Butterflyfish
(Chaetodon striatus)
SF: 82.05% | DEN: 1.97
Creole Wrasse - Wrasse
(Bodianus parrae)
SF: 82.05% | DEN: 3.29
Saucereye Porgy - Porgy
(Calamus calamus)
SF: 82.05% | DEN: 1.81
Slippery Dick - Wrasse
(Halichoeres bivittatus)
SF: 79.49% | DEN: 2.6
Yellowtail (Redfin) Parrotfish - Parrotfish
(Sparisoma rubripinne)
SF: 76.92% | DEN: 2.31
Bermuda Chub/Gray Chub - Chub
(Kyphosus sectatrix / K. bigibbus)
SF: 71.79% | DEN: 2.41
Bluestriped Grunt - Grunt
(Haemulon sciurus)
SF: 71.79% | DEN: 2.19
Goldspot Goby - Goby
(Gnatholepis thompsoni)
SF: 69.23% | DEN: 2.41
Redspotted Hawkfish - Hawkfish
(Amblycirrhitus pinos)
SF: 69.23% | DEN: 1.77
Puddingwife - Wrasse
(Halichoeres radiatus)
SF: 66.67% | DEN: 1.96
Sand Tilefish - Tilefish
(Malacanthus plumieri)
SF: 66.67% | DEN: 1.92
Saddled Blenny - Blenny - Labrisomids
(Malacoctenus triangulatus)
SF: 64.1% | DEN: 1.88
Sand Diver - Lizardfish
(Synodus intermedius)
SF: 64.1% | DEN: 1.71
Whitespotted Filefish - Filefish
(Cantherhines macrocerus)
SF: 64.1% | DEN: 1.75
Spanish Grunt - Grunt
(Haemulon macrostoma)
SF: 61.54% | DEN: 1.74
Belted Cardinalfish - Cardinalfish
(Apogon townsendi)
SF: 58.97% | DEN: 2.68
Glassy Sweeper - Sweeper
(Pempheris schomburgkii)
SF: 58.97% | DEN: 3.18
Threespot Damselfish - Damselfish
(Stegastes planifrons)
SF: 58.97% | DEN: 2.27
Colon Goby - Goby
(Coryphopterus dicrus)
SF: 56.41% | DEN: 2
Red Hind - Seabass
(Epinephelus guttatus)
SF: 56.41% | DEN: 1.68
Queen Angelfish - Angelfish
(Holacanthus ciliaris)
SF: 53.85% | DEN: 1.33
Smooth Trunkfish - Boxfish
(Lactophrys triqueter)
SF: 53.85% | DEN: 1.55
Cocoa Damselfish - Damselfish
(Stegastes xanthurus)
SF: 51.28% | DEN: 2.47
Flamefish - Cardinalfish
(Apogon maculatus)
SF: 51.28% | DEN: 2.53
Reef Butterflyfish - Butterflyfish
(Chaetodon sedentarius)
SF: 51.28% | DEN: 1.95
Butter Hamlet - Seabass
(Hypoplectrus unicolor)
SF: 48.72% | DEN: 1.67
Dusky Damselfish - Damselfish
(Stegastes adustus)
SF: 48.72% | DEN: 2.78
Spotted Drum - Drum
(Eques punctatus)
SF: 48.72% | DEN: 1.39
Barred Cardinalfish - Cardinalfish
(Apogon binotatus)
SF: 46.15% | DEN: 2.35
Orangespotted Filefish - Filefish
(Cantherhines pullus)
SF: 46.15% | DEN: 1.53
Porcupinefish - Porcupinefish
(Diodon hystrix)
SF: 46.15% | DEN: 1.47
Smallmouth Grunt - Grunt
(Haemulon chrysargyreum)
SF: 46.15% | DEN: 2.29
Dog Snapper - Snapper
(Lutjanus jocu)
SF: 43.59% | DEN: 1.5
Whitestar Cardinalfish - Cardinalfish
(Apogon lachneri)
SF: 43.59% | DEN: 2.25
Rainbow Wrasse - Wrasse
(Halichoeres pictus)
SF: 41.03% | DEN: 2.75
Unidentified Silvery Fish (Silversides / Anchovies / Herrings) - Silvery Fishes - Silversides, Herrings, and Anchovies
(Atheriniformes sp./ Clupeiformes sp.)
SF: 41.03% | DEN: 3.53
Black Hamlet - Seabass
(Hypoplectrus nigricans)
SF: 38.46% | DEN: 1.64
Cleaning Goby - Goby
(Elacatinus genie)
SF: 38.46% | DEN: 1.86
French Angelfish - Angelfish
(Pomacanthus paru)
SF: 38.46% | DEN: 1.6
Great Barracuda - Barracuda
(Sphyraena barracuda)
SF: 38.46% | DEN: 1.5
Longjaw Squirrelfish - Squirrelfish
(Neoniphon marianus)
SF: 38.46% | DEN: 1.8
Nurse Shark - Carpet Shark
(Ginglymostoma cirratum)
SF: 38.46% | DEN: 1.07
Peppermint Goby - Goby
(Coryphopterus lipernes)
SF: 38.46% | DEN: 1.73
Shortstripe Goby - Goby
(Elacatinus chancei)
SF: 38.46% | DEN: 1.87
Yellowtail Hamlet - Seabass
(Hypoplectrus chlorurus)
SF: 38.46% | DEN: 1.79
Cero - Mackerel
(Scomberomorus regalis)
SF: 35.9% | DEN: 1.38
Redlip Blenny - Blenny - Combtooth
(Ophioblennius macclurei)
SF: 35.9% | DEN: 1.77
Doctorfish - Surgeonfish
(Acanthurus chirurgus)
SF: 33.33% | DEN: 1.92
Spotted Moray - Moray
(Gymnothorax moringa)
SF: 33.33% | DEN: 1.17
Pallid Goby - Goby
(Coryphopterus eidolon)
SF: 30.77% | DEN: 1.92
Porkfish - Grunt
(Anisotremus virginicus)
SF: 30.77% | DEN: 1.5
Hogfish - Wrasse
(Lachnolaimus maximus)
SF: 28.21% | DEN: 1.18
Spinyhead Blenny - Blenny - Pike, tube, and flag
(Acanthemblemaria spinosa)
SF: 28.21% | DEN: 1.92
Tobaccofish - Seabass
(Serranus tabacarius)
SF: 25.64% | DEN: 1.67
Yellowfin Mojarra - Mojarra
(Gerres cinereus)
SF: 25.64% | DEN: 2.1
Peppermint Basslet - Basslet / Seabass
(Liopropoma rubre)
SF: 23.08% | DEN: 1.67
Queen Triggerfish - Triggerfish
(Balistes vetula)
SF: 23.08% | DEN: 1.22
Tan Hamlet - Seabass
(Hypoplectrus randallorum)
SF: 23.08% | DEN: 1.44
Gray Angelfish - Angelfish
(Pomacanthus arcuatus)
SF: 20.51% | DEN: 1.63
Lantern Bass - Seabass
(Serranus baldwini)
SF: 20.51% | DEN: 1.29
Spotfin Butterflyfish - Butterflyfish
(Chaetodon ocellatus)
SF: 17.95% | DEN: 1.67
Black Margate - Grunt
(Anisotremus surinamensis)
SF: 15.38% | DEN: 1.33
Diamond Blenny - Blenny - Labrisomids
(Malacoctenus boehlkei)
SF: 15.38% | DEN: 1.5
Honeycomb Cowfish - Boxfish
(Acanthostracion polygonius)
SF: 15.38% | DEN: 1
Jolthead Porgy - Porgy
(Calamus bajonado)
SF: 15.38% | DEN: 1.6
Nassau Grouper - Seabass
(Epinephelus striatus)
SF: 15.38% | DEN: 1
Sharknose Goby - Goby
(Elacatinus evelynae)
SF: 15.38% | DEN: 2.33
Spotted Trunkfish - Boxfish
(Lactophrys bicaudalis)
SF: 15.38% | DEN: 1.2
Squirrelfish - Squirrelfish
(Holocentrus adscensionis)
SF: 12.82% | DEN: 1.6
Atlantic Spadefish - Spadefish
(Chaetodipterus faber)
SF: 10.26% | DEN: 1
Bandtail Puffer - Puffer
(Sphoeroides spengleri)
SF: 10.26% | DEN: 1.25
Goldentail Moray - Moray
(Gymnothorax miliaris)
SF: 10.26% | DEN: 1
Sharksucker - Remora
(Echeneis naucrates)
SF: 10.26% | DEN: 1.33
Boga - Grunt
(Haemulon vittatum)
SF: 7.69% | DEN: 3
Cardinal Soldierfish - Squirrelfish
(Plectrypops retrospinis)
SF: 7.69% | DEN: 1
Chalk Bass - Seabass
(Serranus tortugarum)
SF: 7.69% | DEN: 2
Dusky Squirrelfish - Squirrelfish
(Sargocentron vexillarium)
SF: 7.69% | DEN: 1.67
Greater Soapfish - Soapfishes
(Rypticus saponaceus)
SF: 7.69% | DEN: 1.5
Green Moray - Moray
(Gymnothorax funebris)
SF: 7.69% | DEN: 1
Hawksbill Sea Turtle - Sea Turtles
(Eretmochelys imbricata)
SF: 7.69% | DEN: 1.33
Peacock Flounder - Flounder
(Bothus lunatus)
SF: 7.69% | DEN: 1
Red Lionfish (exotic) - Scorpionfish
(Pterois volitans)
SF: 7.69% | DEN: 1.33
Rusty Goby - Goby
(Priolepis hipoliti)
SF: 7.69% | DEN: 1.33
Scrawled Cowfish - Boxfish
(Acanthostracion quadricornis)
SF: 7.69% | DEN: 1
Scrawled Filefish - Filefish
(Aluterus scriptus)
SF: 7.69% | DEN: 1.5
Southern Stingray - Stingray
(Hypanus americanus)
SF: 7.69% | DEN: 1
Spotted Eagle Ray - Eagle Ray
(Aetobatus narinari)
SF: 7.69% | DEN: 1
Tiger Grouper - Seabass
(Mycteroperca tigris)
SF: 7.69% | DEN: 1
Twospot Cardinalfish - Cardinalfish
(Apogon pseudomaculatus)
SF: 7.69% | DEN: 2
Yellowbelly Hamlet - Seabass
(Hypoplectrus aberrans)
SF: 7.69% | DEN: 1.33
Balloonfish - Porcupinefish
(Diodon holocanthus)
SF: 5.13% | DEN: 1
Black Durgon - Triggerfish
(Melichthys niger)
SF: 5.13% | DEN: 1
Blackear Wrasse - Wrasse
(Halichoeres poeyi)
SF: 5.13% | DEN: 2
Cubera Snapper - Snapper
(Lutjanus cyanopterus)
SF: 5.13% | DEN: 1
Dusky Cardinalfish - Cardinalfish
(Phaeoptyx pigmentaria)
SF: 5.13% | DEN: 3
Gray Snapper - Snapper
(Lutjanus griseus)
SF: 5.13% | DEN: 2.5
Lane Snapper - Snapper
(Lutjanus synagris)
SF: 5.13% | DEN: 2
Mutton Snapper - Snapper
(Lutjanus analis)
SF: 5.13% | DEN: 1.5
Permit - Jack
(Trachinotus falcatus)
SF: 5.13% | DEN: 1
Rainbow Parrotfish - Parrotfish
(Scarus guacamaia)
SF: 5.13% | DEN: 1
Rock Hind - Seabass
(Epinephelus adscensionis)
SF: 5.13% | DEN: 1
Sailfin Blenny - Blenny - Pike, tube, and flag
(Emblemaria pandionis)
SF: 5.13% | DEN: 1
Sawcheek Cardinalfish - Cardinalfish
(Apogon quadrisquamatus)
SF: 5.13% | DEN: 2.5
Yellowmouth Grouper - Seabass
(Mycteroperca interstitialis)
SF: 5.13% | DEN: 1
Barbfish - Scorpionfish
(Scorpaena brasiliensis)
SF: 2.56% | DEN: 1
Bigtooth Cardinalfish - Cardinalfish
(Apogon affinis)
SF: 2.56% | DEN: 3
Black Grouper - Seabass
(Mycteroperca bonaci)
SF: 2.56% | DEN: 1
Blue Hamlet - Seabass
(Hypoplectrus gemma)
SF: 2.56% | DEN: 1
Bridle Cardinalfish - Cardinalfish
(Apogon aurolineatus)
SF: 2.56% | DEN: 2
Creolefish (Atlantic) - Seabass
(Paranthias furcifer)
SF: 2.56% | DEN: 2
Green Razorfish - Wrasse
(Xyrichtys splendens)
SF: 2.56% | DEN: 1
Greenblotch Parrotfish - Parrotfish
(Sparisoma atomarium)
SF: 2.56% | DEN: 2
Horse-eye Jack - Jack
(Caranx latus)
SF: 2.56% | DEN: 2
Hovering Dartfish (Hovering Goby) - Dartfish
(Ptereleotris helenae)
SF: 2.56% | DEN: 2
Hybrid Hamlet - Seabass
(Hypoplectrus (Hybrid))
SF: 2.56% | DEN: 1
Lancer Dragonet - Dragonet
(Paradiplogrammus bairdi)
SF: 2.56% | DEN: 1
Longsnout Butterflyfish - Butterflyfish
(Chaetodon aculeatus)
SF: 2.56% | DEN: 1
Mackerel Scad - Jack
(Decapterus macarellus)
SF: 2.56% | DEN: 3
Midnight Parrotfish - Parrotfish
(Scarus coelestinus)
SF: 2.56% | DEN: 1
Northern / Southern Sennet - Barracuda
(Sphyraena borealis/picudilla)
SF: 2.56% | DEN: 2
Ocean Triggerfish - Triggerfish
(Canthidermis sufflamen)
SF: 2.56% | DEN: 2
Quillfin Blenny - Blenny - Labrisomids
(Gobioclinus filamentosus)
SF: 2.56% | DEN: 1
Redtail Scad - Jack
(Decapterus tabl)
SF: 2.56% | DEN: 3
Reef Croaker - Drum
(Odontoscion dentex)
SF: 2.56% | DEN: 1
Reef Shark (Caribbean) - Requiem Shark
(Carcharhinus perezii)
SF: 2.56% | DEN: 0
Remora - Remora
(Remora remora)
SF: 2.56% | DEN: 1
Rosy Blenny - Blenny - Labrisomids
(Malacoctenus macropus)
SF: 2.56% | DEN: 1
Roughhead Blenny - Blenny - Pike, tube, and flag
(Acanthemblemaria aspera)
SF: 2.56% | DEN: 2
Shortfin Sweeper - Sweeper
(Pempheris poeyi)
SF: 2.56% | DEN: 3
Spotted Scorpionfish - Scorpionfish
(Scorpaena plumieri plumieri)
SF: 2.56% | DEN: 1
Striped Grunt - Grunt
(Haemulon striatum)
SF: 2.56% | DEN: 2