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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 » The Aquarium or Nursery (Thatch Island) - Zone 65010040

Survey Types: Species & Abundance, Species Only

Dates: 1/1/93 - 12/26/24

Total Surveys: 5

#Species Reported: 102

Average Species Reported on a Survey by Expert Surveyors: 46.00

Average Species Reported on a Survey by Novice Surveyors: 46.75

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 ISLANDS10404:35
65British Virgin Islands10404:35
6501Tortola (inc. Buck Is. & Frenchmans Cay)10404:35
65010040The Aquarium or Nursery (Thatch Island)10404:35
TOTALS10404:35

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: 100% | DEN: 3.4
Foureye Butterflyfish - Butterflyfish
(Chaetodon capistratus)
SF: 100% | DEN: 2.6
Spotted Goatfish - Goatfish
(Pseudupeneus maculatus)
SF: 100% | DEN: 2.4
Stoplight Parrotfish - Parrotfish
(Sparisoma viride)
SF: 100% | DEN: 2.6
Trumpetfish - Trumpetfish
(Aulostomus maculatus)
SF: 100% | DEN: 2
Yellow Goatfish - Goatfish
(Mulloidichthys martinicus)
SF: 100% | DEN: 2.6
Yellowtail Snapper - Snapper
(Ocyurus chrysurus)
SF: 100% | DEN: 3.6
Bar Jack - Jack
(Caranx ruber)
SF: 80% | DEN: 2.5
Barred Hamlet (Caribbean) - Seabass
(Hypoplectrus puella)
SF: 80% | DEN: 2.5
Bicolor Damselfish - Damselfish
(Stegastes partitus)
SF: 80% | DEN: 3.5
Bluehead - Wrasse
(Thalassoma bifasciatum)
SF: 80% | DEN: 3.5
Fairy Basslet - Basslet
(Gramma loreto)
SF: 80% | DEN: 2.5
French Grunt - Grunt
(Haemulon flavolineatum)
SF: 80% | DEN: 3.25
Graysby - Seabass
(Cephalopholis cruentata)
SF: 80% | DEN: 1.25
Harlequin Bass - Seabass
(Serranus tigrinus)
SF: 80% | DEN: 1.5
Masked Goby/Glass Goby - Goby
(Coryphopterus personatus/hyalinus)
SF: 80% | DEN: 3
Ocean Surgeonfish - Surgeonfish
(Acanthurus tractus)
SF: 80% | DEN: 2.25
Redband Parrotfish - Parrotfish
(Sparisoma aurofrenatum)
SF: 80% | DEN: 2.25
Sergeant Major - Damselfish
(Abudefduf saxatilis)
SF: 80% | DEN: 3.5
Sharpnose Puffer - Puffer
(Canthigaster rostrata)
SF: 80% | DEN: 2
Banded Butterflyfish - Butterflyfish
(Chaetodon striatus)
SF: 60% | DEN: 2
Black Hamlet - Seabass
(Hypoplectrus nigricans)
SF: 60% | DEN: 1.67
Blue Tang - Surgeonfish
(Acanthurus coeruleus)
SF: 60% | DEN: 2.67
Bluestriped Grunt - Grunt
(Haemulon sciurus)
SF: 60% | DEN: 3.67
Brown Chromis - Damselfish
(Azurina multilineata)
SF: 60% | DEN: 3
Cero - Mackerel
(Scomberomorus regalis)
SF: 60% | DEN: 1
Doctorfish - Surgeonfish
(Acanthurus chirurgus)
SF: 60% | DEN: 2.33
Dusky Damselfish - Damselfish
(Stegastes adustus)
SF: 60% | DEN: 2.67
Orangespotted Filefish - Filefish
(Cantherhines pullus)
SF: 60% | DEN: 1.33
Princess Parrotfish - Parrotfish
(Scarus taeniopterus)
SF: 60% | DEN: 2.33
Queen Angelfish - Angelfish
(Holacanthus ciliaris)
SF: 60% | DEN: 2
Red Hind - Seabass
(Epinephelus guttatus)
SF: 60% | DEN: 1.33
Smooth Trunkfish - Boxfish
(Lactophrys triqueter)
SF: 60% | DEN: 1.67
Spanish Hogfish - Wrasse
(Bodianus rufus)
SF: 60% | DEN: 1.33
Spotted Drum - Drum
(Eques punctatus)
SF: 60% | DEN: 1.33
Squirrelfish - Squirrelfish
(Holocentrus adscensionis)
SF: 60% | DEN: 3.33
Striped Parrotfish - Parrotfish
(Scarus iseri)
SF: 60% | DEN: 3.33
Tomtate - Grunt
(Haemulon aurolineatum)
SF: 60% | DEN: 3
Yellowhead Wrasse - Wrasse
(Halichoeres garnoti)
SF: 60% | DEN: 2.67
Yellowtail Damselfish - Damselfish
(Microspathodon chrysurus)
SF: 60% | DEN: 2.33
Beaugregory - Damselfish
(Stegastes leucostictus)
SF: 40% | DEN: 2
Blackbar Soldierfish - Squirrelfish
(Myripristis jacobus)
SF: 40% | DEN: 2
Bridled Goby Complex (Bridled/Sand-Canyon/Patch-Reef) - Goby
(C. glaucofraenum/C. bol/C. tortugae)
SF: 40% | DEN: 1.5
Butter Hamlet - Seabass
(Hypoplectrus unicolor)
SF: 40% | DEN: 1.5
Caesar Grunt - Grunt
(Haemulon carbonarium)
SF: 40% | DEN: 3
Creole Wrasse - Wrasse
(Clepticus parrae)
SF: 40% | DEN: 3
French Angelfish - Angelfish
(Pomacanthus paru)
SF: 40% | DEN: 2
Goldspot Goby - Goby
(Gnatholepis thompsoni)
SF: 40% | DEN: 2
Gray Angelfish - Angelfish
(Pomacanthus arcuatus)
SF: 40% | DEN: 1.5
Gray Snapper - Snapper
(Lutjanus griseus)
SF: 40% | DEN: 2.5
Great Barracuda - Barracuda
(Sphyraena barracuda)
SF: 40% | DEN: 1
Hybrid Hamlet - Seabass
(Hypoplectrus (Hybrid))
SF: 40% | DEN: 1.5
Nurse Shark - Carpet Shark
(Ginglymostoma cirratum)
SF: 40% | DEN: 1
Puddingwife - Wrasse
(Halichoeres radiatus)
SF: 40% | DEN: 2
Queen Triggerfish - Triggerfish
(Balistes vetula)
SF: 40% | DEN: 1
Redspotted Hawkfish - Hawkfish
(Amblycirrhitus pinos)
SF: 40% | DEN: 1.5
Rock Beauty - Angelfish
(Holacanthus tricolor)
SF: 40% | DEN: 2.5
Sand Diver - Lizardfish
(Synodus intermedius)
SF: 40% | DEN: 2
Schoolmaster - Snapper
(Lutjanus apodus)
SF: 40% | DEN: 3.5
Slender Filefish - Filefish
(Monacanthus tuckeri)
SF: 40% | DEN: 1.5
Spinyhead Blenny - Blenny - Pike, tube, and flag
(Acanthemblemaria spinosa)
SF: 40% | DEN: 2
Spotted Trunkfish - Boxfish
(Lactophrys bicaudalis)
SF: 40% | DEN: 1
Threespot Damselfish - Damselfish
(Stegastes planifrons)
SF: 40% | DEN: 3
Tobaccofish - Seabass
(Serranus tabacarius)
SF: 40% | DEN: 2
Barred Cardinalfish - Cardinalfish
(Apogon binotatus)
SF: 20% | DEN: 1
Belted Cardinalfish - Cardinalfish
(Apogon townsendi)
SF: 20% | DEN: 1
Black Durgon - Triggerfish
(Melichthys niger)
SF: 20% | DEN: 2
Black Grouper - Seabass
(Mycteroperca bonaci)
SF: 20% | DEN: 1
Cleaning Goby - Goby
(Elacatinus genie)
SF: 20% | DEN: 2
Clown Wrasse - Wrasse
(Halichoeres maculipinna)
SF: 20% | DEN: 2
Cocoa Damselfish - Damselfish
(Stegastes xanthurus)
SF: 20% | DEN: 3
Colon Goby - Goby
(Coryphopterus dicrus)
SF: 20% | DEN: 1
Diamond Blenny - Blenny - Labrisomids
(Malacoctenus boehlkei)
SF: 20% | DEN: 1
Dog Snapper - Snapper
(Lutjanus jocu)
SF: 20% | DEN: 1
Dusky Squirrelfish - Squirrelfish
(Sargocentron vexillarium)
SF: 20% | DEN: 1
Eyed Flounder - Flounder
(Bothus ocellatus)
SF: 20% | DEN: 1
Hogfish - Wrasse
(Lachnolaimus maximus)
SF: 20% | DEN: 1
Jolthead Porgy - Porgy
(Calamus bajonado)
SF: 20% | DEN: 3
Lane Snapper - Snapper
(Lutjanus synagris)
SF: 20% | DEN: 3
Longfin Damselfish - Damselfish
(Stegastes diencaeus)
SF: 20% | DEN: 2
Longsnout Butterflyfish - Butterflyfish
(Chaetodon aculeatus)
SF: 20% | DEN: 2
Pallid Goby - Goby
(Coryphopterus eidolon)
SF: 20% | DEN: 2
Peacock Flounder - Flounder
(Bothus lunatus)
SF: 20% | DEN: 1
Porkfish - Grunt
(Anisotremus virginicus)
SF: 20% | DEN: 1
Queen Parrotfish - Parrotfish
(Scarus vetula)
SF: 20% | DEN: 2
Quillfin Blenny - Blenny - Labrisomids
(Labrisomus filamentosus)
SF: 20% | DEN: 1
Rainbow Parrotfish - Parrotfish
(Scarus guacamaia)
SF: 20% | DEN: 2
Redlip Blenny - Blenny - Combtooth
(Ophioblennius macclurei)
SF: 20% | DEN: 2
Redtail Parrotfish - Parrotfish
(Sparisoma chrysopterum)
SF: 20% | DEN: 1
Rosy Razorfish - Wrasse
(Xyrichtys martinicensis)
SF: 20% | DEN: 1
Saddled Blenny - Blenny - Labrisomids
(Malacoctenus triangulatus)
SF: 20% | DEN: 2
Sand Tilefish - Tilefish
(Malacanthus plumieri)
SF: 20% | DEN: 2
Saucereye Porgy - Porgy
(Calamus calamus)
SF: 20% | DEN: 1
Scrawled Filefish - Filefish
(Aluterus scriptus)
SF: 20% | DEN: 1
Slippery Dick - Wrasse
(Halichoeres bivittatus)
SF: 20% | DEN: 4
Southern Stingray - Stingray
(Hypanus americanus)
SF: 20% | DEN: 1
Sunshinefish - Damselfish
(Chromis insolata)
SF: 20% | DEN: 3
Unidentified Silvery Fish (Silversides / Anchovies / Herrings) - Silvery Fishes - Silversides, Herrings, and Anchovies
(Atheriniformes sp./ Clupeiformes sp.)
SF: 20% | DEN: 4
White Margate - Grunt
(Haemulon album)
SF: 20% | DEN: 2
Yellowbelly Hamlet - Seabass
(Hypoplectrus aberrans)
SF: 20% | DEN: 1
Yellowfin Mojarra - Mojarra
(Gerres cinereus)
SF: 20% | DEN: 2
Yellowtail Hamlet - Seabass
(Hypoplectrus chlorurus)
SF: 20% | DEN: 2