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Region: TWA

Geographic Zones: GREATER ANTILLES & VIRGIN ISLANDS - Zone 6 » US Virgin Islands - Zone 64 » St Thomas - Zone 6402 » Grass Cay - Grassco Junction - Zone 64020102

Survey Types: Species & Abundance, Species Only

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

Total Surveys: 2

#Species Reported: 46

Average Species Reported on a Survey by Expert Surveyors: 38.50

Average Species Reported on a Survey by Novice Surveyors: 0

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 ISLANDS20001:31
64US Virgin Islands20001:31
6402St Thomas20001:31
64020102Grass Cay - Grassco Junction20001:31
TOTALS20001:31

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
Barred Hamlet (Caribbean) - Seabass
(Hypoplectrus puella)
SF: 100% | DEN: 2
Beaugregory - Damselfish
(Stegastes leucostictus)
SF: 100% | DEN: 2.5
Bicolor Damselfish - Damselfish
(Stegastes partitus)
SF: 100% | DEN: 3
Blue Chromis - Damselfish
(Azurina cyanea)
SF: 100% | DEN: 3
Blue Tang - Surgeonfish
(Acanthurus coeruleus)
SF: 100% | DEN: 2.5
Bluehead - Wrasse
(Thalassoma bifasciatum)
SF: 100% | DEN: 3.5
Brown Chromis - Damselfish
(Azurina multilineata)
SF: 100% | DEN: 4
Brown Garden Eel - Conger
(Heteroconger longissimus)
SF: 100% | DEN: 3.5
Creole Wrasse - Wrasse
(Bodianus parrae)
SF: 100% | DEN: 4
Doctorfish - Surgeonfish
(Acanthurus chirurgus)
SF: 100% | DEN: 2.5
Fairy Basslet - Basslet
(Gramma loreto)
SF: 100% | DEN: 2
Foureye Butterflyfish - Butterflyfish
(Chaetodon capistratus)
SF: 100% | DEN: 3
French Grunt - Grunt
(Haemulon flavolineatum)
SF: 100% | DEN: 2
Graysby - Seabass
(Cephalopholis cruentata)
SF: 100% | DEN: 2
Lane Snapper - Snapper
(Lutjanus synagris)
SF: 100% | DEN: 3.5
Longfin Damselfish - Damselfish
(Stegastes diencaeus)
SF: 100% | DEN: 2.5
Longspine Squirrelfish - Squirrelfish
(Holocentrus rufus)
SF: 100% | DEN: 1.5
Masked Goby/Glass Goby - Goby
(Coryphopterus personatus/hyalinus)
SF: 100% | DEN: 3.5
Queen Angelfish - Angelfish
(Holacanthus ciliaris)
SF: 100% | DEN: 1
Red Hind - Seabass
(Epinephelus guttatus)
SF: 100% | DEN: 1
Redband Parrotfish - Parrotfish
(Sparisoma aurofrenatum)
SF: 100% | DEN: 3
Sergeant Major - Damselfish
(Abudefduf saxatilis)
SF: 100% | DEN: 2.5
Stoplight Parrotfish - Parrotfish
(Sparisoma viride)
SF: 100% | DEN: 2.5
Striped Parrotfish - Parrotfish
(Scarus iseri)
SF: 100% | DEN: 3.5
Tan Hamlet - Seabass
(Hypoplectrus randallorum)
SF: 100% | DEN: 1
Threespot Damselfish - Damselfish
(Stegastes planifrons)
SF: 100% | DEN: 3
Tomtate - Grunt
(Haemulon aurolineatum)
SF: 100% | DEN: 3.5
Trumpetfish - Trumpetfish
(Aulostomus maculatus)
SF: 100% | DEN: 2
Yellow Goatfish - Goatfish
(Mulloidichthys martinicus)
SF: 100% | DEN: 2.5
Yellowhead Wrasse - Wrasse
(Halichoeres garnoti)
SF: 100% | DEN: 2
Black Hamlet - Seabass
(Hypoplectrus nigricans)
SF: 50% | DEN: 1
Bluestriped Grunt - Grunt
(Haemulon sciurus)
SF: 50% | DEN: 2
Bridled Goby Complex (Bridled/Sand-Canyon/Patch-Reef) - Goby
(C. glaucofraenum/C. venezuelae/C. tortugae)
SF: 50% | DEN: 3
Cleaning Goby - Goby
(Elacatinus genie)
SF: 50% | DEN: 2
Cocoa Damselfish - Damselfish
(Stegastes xanthurus)
SF: 50% | DEN: 2
Mahogany Snapper - Snapper
(Lutjanus mahogoni)
SF: 50% | DEN: 2
Ocean Surgeonfish - Surgeonfish
(Acanthurus tractus)
SF: 50% | DEN: 2
Ocean Triggerfish - Triggerfish
(Canthidermis sufflamen)
SF: 50% | DEN: 1
Sharpnose Puffer - Puffer
(Canthigaster rostrata)
SF: 50% | DEN: 3
Shortstripe Goby - Goby
(Elacatinus chancei)
SF: 50% | DEN: 2
Sponge Cardinalfish - Cardinalfish
(Phaeoptyx xenus)
SF: 50% | DEN: 3
Spotted Goatfish - Goatfish
(Pseudupeneus maculatus)
SF: 50% | DEN: 2
Yellowbelly Hamlet - Seabass
(Hypoplectrus aberrans)
SF: 50% | DEN: 1
Yellowtail Hamlet - Seabass
(Hypoplectrus chlorurus)
SF: 50% | DEN: 2
Yellowtail Snapper - Snapper
(Ocyurus chrysurus)
SF: 50% | DEN: 2