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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 » Spy Glass (Norman Island) - Zone 65010022

Survey Types: Species & Abundance, Species Only

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

Total Surveys: 39

#Species Reported: 166

Average Species Reported on a Survey by Expert Surveyors: 72.90

Average Species Reported on a Survey by Novice Surveyors: 48.48

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 ISLANDS10028136:15
65British Virgin Islands10028136:15
6501Tortola (inc. Buck Is. & Frenchmans Cay)10028136:15
65010022Spy Glass (Norman Island)10028136:15
TOTALS10028136:15

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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Bicolor Damselfish - Damselfish
(Stegastes partitus)
SF: 100% | DEN: 3.26
Bluehead - Wrasse
(Thalassoma bifasciatum)
SF: 100% | DEN: 3.03
French Grunt - Grunt
(Haemulon flavolineatum)
SF: 97.44% | DEN: 2.73
Blue Chromis - Damselfish
(Azurina cyanea)
SF: 94.87% | DEN: 3.53
Foureye Butterflyfish - Butterflyfish
(Chaetodon capistratus)
SF: 94.87% | DEN: 2.33
Blue Tang - Surgeonfish
(Acanthurus coeruleus)
SF: 92.31% | DEN: 3
Fairy Basslet - Basslet
(Gramma loreto)
SF: 89.74% | DEN: 2.82
Stoplight Parrotfish - Parrotfish
(Sparisoma viride)
SF: 89.74% | DEN: 2.76
Barred Hamlet (Caribbean) - Seabass
(Hypoplectrus puella)
SF: 87.18% | DEN: 2.15
Sharpnose Puffer - Puffer
(Canthigaster rostrata)
SF: 87.18% | DEN: 2.52
Yellowhead Wrasse - Wrasse
(Halichoeres garnoti)
SF: 87.18% | DEN: 2.94
Mahogany Snapper - Snapper
(Lutjanus mahogoni)
SF: 84.62% | DEN: 2.28
Yellow Goatfish - Goatfish
(Mulloidichthys martinicus)
SF: 84.62% | DEN: 2.94
Yellowtail Snapper - Snapper
(Ocyurus chrysurus)
SF: 84.62% | DEN: 2.63
Brown Chromis - Damselfish
(Azurina multilineata)
SF: 82.05% | DEN: 3.42
Creole Wrasse - Wrasse
(Bodianus parrae)
SF: 82.05% | DEN: 3.58
Graysby - Seabass
(Cephalopholis cruentata)
SF: 82.05% | DEN: 1.81
Spotted Goatfish - Goatfish
(Pseudupeneus maculatus)
SF: 82.05% | DEN: 2.35
Threespot Damselfish - Damselfish
(Stegastes planifrons)
SF: 82.05% | DEN: 2.77
Bar Jack - Jack
(Caranx ruber)
SF: 76.92% | DEN: 2.62
Beaugregory - Damselfish
(Stegastes leucostictus)
SF: 76.92% | DEN: 2.72
Redband Parrotfish - Parrotfish
(Sparisoma aurofrenatum)
SF: 76.92% | DEN: 2.93
Princess Parrotfish - Parrotfish
(Scarus taeniopterus)
SF: 74.36% | DEN: 2.64
Sand Tilefish - Tilefish
(Malacanthus plumieri)
SF: 74.36% | DEN: 1.93
Glasseye Snapper (Atlantic) - Bigeye
(Heteropriacanthus cruentatus)
SF: 71.79% | DEN: 2.22
Masked Goby/Glass Goby - Goby
(Coryphopterus personatus/hyalinus)
SF: 71.79% | DEN: 3.7
Ocean Surgeonfish - Surgeonfish
(Acanthurus tractus)
SF: 71.79% | DEN: 2.89
Schoolmaster - Snapper
(Lutjanus apodus)
SF: 71.79% | DEN: 2.11
Yellowtail Damselfish - Damselfish
(Microspathodon chrysurus)
SF: 71.79% | DEN: 2.44
Bluestriped Grunt - Grunt
(Haemulon sciurus)
SF: 69.23% | DEN: 2.23
Longspine Squirrelfish - Squirrelfish
(Holocentrus rufus)
SF: 69.23% | DEN: 2.15
Striped Parrotfish - Parrotfish
(Scarus iseri)
SF: 69.23% | DEN: 2.85
Black Hamlet - Seabass
(Hypoplectrus nigricans)
SF: 66.67% | DEN: 1.76
Trumpetfish - Trumpetfish
(Aulostomus maculatus)
SF: 66.67% | DEN: 1.96
Bridled Goby Complex (Bridled/Sand-Canyon/Patch-Reef) - Goby
(C. glaucofraenum/C. venezuelae/C. tortugae)
SF: 64.1% | DEN: 2.75
Butter Hamlet - Seabass
(Hypoplectrus unicolor)
SF: 64.1% | DEN: 1.96
Rock Beauty - Angelfish
(Holacanthus tricolor)
SF: 64.1% | DEN: 1.96
Sand Diver - Lizardfish
(Synodus intermedius)
SF: 64.1% | DEN: 1.83
Tomtate - Grunt
(Haemulon aurolineatum)
SF: 64.1% | DEN: 2.5
Saucereye Porgy - Porgy
(Calamus calamus)
SF: 61.54% | DEN: 1.83
Sergeant Major - Damselfish
(Abudefduf saxatilis)
SF: 56.41% | DEN: 2.91
Spanish Hogfish - Wrasse
(Bodianus rufus)
SF: 56.41% | DEN: 1.95
Squirrelfish - Squirrelfish
(Holocentrus adscensionis)
SF: 56.41% | DEN: 2.18
White Grunt - Grunt
(Haemulon plumierii)
SF: 56.41% | DEN: 1.9
Yellowtail Hamlet - Seabass
(Hypoplectrus chlorurus)
SF: 56.41% | DEN: 1.9
Yellowfin Mojarra - Mojarra
(Gerres cinereus)
SF: 53.85% | DEN: 2.38
Longfin Damselfish - Damselfish
(Stegastes diencaeus)
SF: 51.28% | DEN: 2.3
Tobaccofish - Seabass
(Serranus tabacarius)
SF: 51.28% | DEN: 2
Cocoa Damselfish - Damselfish
(Stegastes xanthurus)
SF: 48.72% | DEN: 2.32
Doctorfish - Surgeonfish
(Acanthurus chirurgus)
SF: 48.72% | DEN: 1.56
Great Barracuda - Barracuda
(Sphyraena barracuda)
SF: 46.15% | DEN: 1.35
Harlequin Bass - Seabass
(Serranus tigrinus)
SF: 43.59% | DEN: 1.88
Queen Parrotfish - Parrotfish
(Scarus vetula)
SF: 43.59% | DEN: 2.13
Southern Stingray - Stingray
(Hypanus americanus)
SF: 43.59% | DEN: 1.35
Lane Snapper - Snapper
(Lutjanus synagris)
SF: 41.03% | DEN: 2.2
Orangespotted Filefish - Filefish
(Cantherhines pullus)
SF: 41.03% | DEN: 1.56
Red Hind - Seabass
(Epinephelus guttatus)
SF: 41.03% | DEN: 1.53
Chalk Bass - Seabass
(Serranus tortugarum)
SF: 38.46% | DEN: 2.07
Coney - Seabass
(Cephalopholis fulva)
SF: 38.46% | DEN: 1.64
Peppermint Goby - Goby
(Coryphopterus lipernes)
SF: 38.46% | DEN: 1.86
Smallmouth Grunt - Grunt
(Haemulon chrysargyreum)
SF: 38.46% | DEN: 2.73
Smooth Trunkfish - Boxfish
(Lactophrys triqueter)
SF: 38.46% | DEN: 1.29
Caesar Grunt - Grunt
(Haemulon carbonarium)
SF: 35.9% | DEN: 1.85
Cero - Mackerel
(Scomberomorus regalis)
SF: 35.9% | DEN: 1.62
Clown Wrasse - Wrasse
(Halichoeres maculipinna)
SF: 35.9% | DEN: 2.15
Shortstripe Goby - Goby
(Elacatinus chancei)
SF: 35.9% | DEN: 2.38
Spanish Grunt - Grunt
(Haemulon macrostoma)
SF: 35.9% | DEN: 1.46
Yellowhead Jawfish - Jawfish
(Opistognathus aurifrons)
SF: 35.9% | DEN: 2.08
Dog Snapper - Snapper
(Lutjanus jocu)
SF: 33.33% | DEN: 1.23
Sharknose Goby - Goby
(Elacatinus evelynae)
SF: 33.33% | DEN: 2.15
Blackbar Soldierfish - Squirrelfish
(Myripristis jacobus)
SF: 30.77% | DEN: 2.08
Gray Angelfish - Angelfish
(Pomacanthus arcuatus)
SF: 28.21% | DEN: 1.55
Rainbow Wrasse - Wrasse
(Halichoeres pictus)
SF: 28.21% | DEN: 2.6
Spotted Drum - Drum
(Eques punctatus)
SF: 28.21% | DEN: 1.5
Whitespotted Filefish - Filefish
(Cantherhines macrocerus)
SF: 28.21% | DEN: 2
Dusky Damselfish - Damselfish
(Stegastes adustus)
SF: 25.64% | DEN: 3.4
Pallid Goby - Goby
(Coryphopterus eidolon)
SF: 25.64% | DEN: 2.22
Goldspot Goby - Goby
(Gnatholepis thompsoni)
SF: 23.08% | DEN: 2.13
Porcupinefish - Porcupinefish
(Diodon hystrix)
SF: 23.08% | DEN: 1.22
Scrawled Filefish - Filefish
(Aluterus scriptus)
SF: 23.08% | DEN: 1.11
Unidentified Silvery Fish (Silversides / Anchovies / Herrings) - Silvery Fishes - Silversides, Herrings, and Anchovies
(Atheriniformes sp./ Clupeiformes sp.)
SF: 23.08% | DEN: 3.56
Bermuda Chub/Gray Chub - Chub
(Kyphosus sectatrix / K. bigibbus)
SF: 20.51% | DEN: 1.57
Brown Garden Eel - Conger
(Heteroconger longissimus)
SF: 20.51% | DEN: 2.71
Jolthead Porgy - Porgy
(Calamus bajonado)
SF: 20.51% | DEN: 1.5
Puddingwife - Wrasse
(Halichoeres radiatus)
SF: 20.51% | DEN: 1.71
Redspotted Hawkfish - Hawkfish
(Amblycirrhitus pinos)
SF: 20.51% | DEN: 1.75
Spotted Trunkfish - Boxfish
(Lactophrys bicaudalis)
SF: 20.51% | DEN: 1.14
Yellowbelly Hamlet - Seabass
(Hypoplectrus aberrans)
SF: 20.51% | DEN: 1.71
Yellowtail (Redfin) Parrotfish - Parrotfish
(Sparisoma rubripinne)
SF: 20.51% | DEN: 2.25
Black Durgon - Triggerfish
(Melichthys niger)
SF: 17.95% | DEN: 2.29
Longjaw Squirrelfish - Squirrelfish
(Neoniphon marianus)
SF: 17.95% | DEN: 1.67
Queen Angelfish - Angelfish
(Holacanthus ciliaris)
SF: 17.95% | DEN: 1
Sailors Choice - Grunt
(Haemulon parra)
SF: 17.95% | DEN: 1.57
Slippery Dick - Wrasse
(Halichoeres bivittatus)
SF: 17.95% | DEN: 2.57
Colon Goby - Goby
(Coryphopterus dicrus)
SF: 15.38% | DEN: 1.8
Banded Butterflyfish - Butterflyfish
(Chaetodon striatus)
SF: 12.82% | DEN: 2
Boga - Grunt
(Haemulon vittatum)
SF: 12.82% | DEN: 3.25
French Angelfish - Angelfish
(Pomacanthus paru)
SF: 12.82% | DEN: 1.4
Honeycomb Cowfish - Boxfish
(Acanthostracion polygonius)
SF: 12.82% | DEN: 1
Hybrid Hamlet - Seabass
(Hypoplectrus (Hybrid))
SF: 12.82% | DEN: 1.6
Indigo Hamlet - Seabass
(Hypoplectrus indigo)
SF: 12.82% | DEN: 1.6
Mutton Snapper - Snapper
(Lutjanus analis)
SF: 12.82% | DEN: 1.25
Spotted Eagle Ray - Eagle Ray
(Aetobatus narinari)
SF: 12.82% | DEN: 1.25
Spotted Moray - Moray
(Gymnothorax moringa)
SF: 12.82% | DEN: 1
Tan Hamlet - Seabass
(Hypoplectrus randallorum)
SF: 12.82% | DEN: 1.6
Belted Cardinalfish - Cardinalfish
(Apogon townsendi)
SF: 10.26% | DEN: 2.25
Chain Moray - Moray
(Echidna catenata)
SF: 10.26% | DEN: 1
Dusky Squirrelfish - Squirrelfish
(Sargocentron vexillarium)
SF: 10.26% | DEN: 1.75
Goldentail Moray - Moray
(Gymnothorax miliaris)
SF: 10.26% | DEN: 1
Green Moray - Moray
(Gymnothorax funebris)
SF: 10.26% | DEN: 1
Northern / Southern Sennet - Barracuda
(Sphyraena borealis/picudilla)
SF: 10.26% | DEN: 3
Peppermint Basslet - Basslet / Seabass
(Liopropoma rubre)
SF: 10.26% | DEN: 1.5
Rainbow Parrotfish - Parrotfish
(Scarus guacamaia)
SF: 10.26% | DEN: 1.33
Saddled Blenny - Blenny - Labrisomids
(Malacoctenus triangulatus)
SF: 10.26% | DEN: 2
Sponge Cardinalfish - Cardinalfish
(Phaeoptyx xenus)
SF: 10.26% | DEN: 1.75
Yellowfin Grouper - Seabass
(Mycteroperca venenosa)
SF: 10.26% | DEN: 1
Cleaning Goby - Goby
(Elacatinus genie)
SF: 7.69% | DEN: 2.33
Flamefish - Cardinalfish
(Apogon maculatus)
SF: 7.69% | DEN: 2
Greenblotch Parrotfish - Parrotfish
(Sparisoma atomarium)
SF: 7.69% | DEN: 1.33
Hawksbill Sea Turtle - Sea Turtles
(Eretmochelys imbricata)
SF: 7.69% | DEN: 1.33
Queen Triggerfish - Triggerfish
(Balistes vetula)
SF: 7.69% | DEN: 1.67
Redtail Parrotfish - Parrotfish
(Sparisoma chrysopterum)
SF: 7.69% | DEN: 2
Rock Hind - Seabass
(Epinephelus adscensionis)
SF: 7.69% | DEN: 1.33
Sailfin Blenny - Blenny - Pike, tube, and flag
(Emblemaria pandionis)
SF: 7.69% | DEN: 1
Sharksucker - Remora
(Echeneis naucrates)
SF: 7.69% | DEN: 1.33
Shy Hamlet - Seabass
(Hypoplectrus guttavarius)
SF: 7.69% | DEN: 1.67
White Margate - Grunt
(Haemulon album)
SF: 7.69% | DEN: 1.5
Whitestar Cardinalfish - Cardinalfish
(Apogon lachneri)
SF: 7.69% | DEN: 1
Barred Cardinalfish - Cardinalfish
(Apogon binotatus)
SF: 5.13% | DEN: 2
Cubera Snapper - Snapper
(Lutjanus cyanopterus)
SF: 5.13% | DEN: 1
Diamond Blenny - Blenny - Labrisomids
(Malacoctenus boehlkei)
SF: 5.13% | DEN: 1.5
Glassy Sweeper - Sweeper
(Pempheris schomburgkii)
SF: 5.13% | DEN: 1
Houndfish - Needlefish
(Tylosurus crocodilus crocodilus)
SF: 5.13% | DEN: 1
Longsnout Butterflyfish - Butterflyfish
(Chaetodon aculeatus)
SF: 5.13% | DEN: 1.5
Nassau Grouper - Seabass
(Epinephelus striatus)
SF: 5.13% | DEN: 1
Pluma - Porgy
(Calamus pennatula)
SF: 5.13% | DEN: 1
Reef Croaker - Drum
(Odontoscion dentex)
SF: 5.13% | DEN: 1
Spinyhead Blenny - Blenny - Pike, tube, and flag
(Acanthemblemaria spinosa)
SF: 5.13% | DEN: 1
Tiger Grouper - Seabass
(Mycteroperca tigris)
SF: 5.13% | DEN: 1
Whitenose Pipefish - Pipefish and Seahorse
(Cosmocampus albirostris)
SF: 5.13% | DEN: 1
Arrow Blenny - Blenny - Pike, tube, and flag
(Lucayablennius zingaro)
SF: 2.56% | DEN: 2
Black Margate - Grunt
(Anisotremus surinamensis)
SF: 2.56% | DEN: 2
Blackear Wrasse - Wrasse
(Halichoeres poeyi)
SF: 2.56% | DEN: 1
Bridle Cardinalfish - Cardinalfish
(Apogon aurolineatus)
SF: 2.56% | DEN: 2
Bucktooth Parrotfish - Parrotfish
(Sparisoma radians)
SF: 2.56% | DEN: 1
Cherubfish - Angelfish
(Centropyge argi)
SF: 2.56% | DEN: 0
Creolefish (Atlantic) - Seabass
(Paranthias furcifer)
SF: 2.56% | DEN: 3
Gray Snapper - Snapper
(Lutjanus griseus)
SF: 2.56% | DEN: 3
Hogfish - Wrasse
(Lachnolaimus maximus)
SF: 2.56% | DEN: 2
Horse-eye Jack - Jack
(Caranx latus)
SF: 2.56% | DEN: 2
King Mackerel - Mackerel
(Scomberomorus cavalla)
SF: 2.56% | DEN: 1
Littlehead Porgy - Porgy
(Calamus proridens)
SF: 2.56% | DEN: 2
Masked Hamlet - Seabass
(Hypoplectrus providencianus)
SF: 2.56% | DEN: 3
Orangesided Goby - Goby
(Tigrigobius dilepis)
SF: 2.56% | DEN: 4
Rainbow Runner - Jack
(Elagatis bipinnulata)
SF: 2.56% | DEN: 2
Redlip Blenny - Blenny - Combtooth
(Ophioblennius macclurei)
SF: 2.56% | DEN: 1
Reef Butterflyfish - Butterflyfish
(Chaetodon sedentarius)
SF: 2.56% | DEN: 1
Reef Squirrelfish - Squirrelfish
(Holocentrus coruscus)
SF: 2.56% | DEN: 2
Rosy Razorfish - Wrasse
(Xyrichtys martinicensis)
SF: 2.56% | DEN: 2
Seaweed Blenny - Blenny - Combtooth
(Parablennius marmoreus)
SF: 2.56% | DEN: 1
Shortfin Pipefish - Pipefish and Seahorse
(Cosmocampus elucens)
SF: 2.56% | DEN: 1
Slender Filefish - Filefish
(Monacanthus tuckeri)
SF: 2.56% | DEN: 1
Spotfin Butterflyfish - Butterflyfish
(Chaetodon ocellatus)
SF: 2.56% | DEN: 2
Sunshinefish - Damselfish
(Chromis insolata)
SF: 2.56% | DEN: 1
Tarpon - Tarpon
(Megalops atlanticus)
SF: 2.56% | DEN: 3
Trunkfish - Boxfish
(Lactophrys trigonus)
SF: 2.56% | DEN: 1