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Region: TWA

Geographic Zones: GREATER ANTILLES & VIRGIN ISLANDS - Zone 6 » US Virgin Islands - Zone 64 » St Croix - Zone 6401 » Swirling Ring of Death (Dan's Reef) - Zone 64010041

Survey Types: Species & Abundance, Species Only

Dates: 1/1/93 - 10/19/25

Total Surveys: 13

#Species Reported: 142

Average Species Reported on a Survey by Expert Surveyors: 62.00

Average Species Reported on a Survey by Novice Surveyors: 53.73

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 ISLANDS2011014:03
64US Virgin Islands2011014:03
6401St Croix2011014:03
64010041Swirling Ring of Death (Dan's Reef)2011014:03
TOTALS2011014:03

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: 3.77
Bluehead - Wrasse
(Thalassoma bifasciatum)
SF: 100% | DEN: 3.15
Brown Chromis - Damselfish
(Azurina multilineata)
SF: 100% | DEN: 4
Foureye Butterflyfish - Butterflyfish
(Chaetodon capistratus)
SF: 100% | DEN: 2.23
Mahogany Snapper - Snapper
(Lutjanus mahogoni)
SF: 100% | DEN: 2.54
Redband Parrotfish - Parrotfish
(Sparisoma aurofrenatum)
SF: 100% | DEN: 2.62
Yellow Goatfish - Goatfish
(Mulloidichthys martinicus)
SF: 100% | DEN: 2.69
Bar Jack - Jack
(Caranx ruber)
SF: 92.31% | DEN: 2.75
Bicolor Damselfish - Damselfish
(Stegastes partitus)
SF: 92.31% | DEN: 3.83
Blackbar Soldierfish - Squirrelfish
(Myripristis jacobus)
SF: 92.31% | DEN: 3.08
Blue Tang - Surgeonfish
(Acanthurus coeruleus)
SF: 92.31% | DEN: 2.83
Harlequin Bass - Seabass
(Serranus tigrinus)
SF: 92.31% | DEN: 1.92
Ocean Surgeonfish - Surgeonfish
(Acanthurus tractus)
SF: 92.31% | DEN: 2.67
Princess Parrotfish - Parrotfish
(Scarus taeniopterus)
SF: 92.31% | DEN: 3
Sergeant Major - Damselfish
(Abudefduf saxatilis)
SF: 92.31% | DEN: 2.92
Spanish Hogfish - Wrasse
(Bodianus rufus)
SF: 92.31% | DEN: 2
Spotted Goatfish - Goatfish
(Pseudupeneus maculatus)
SF: 92.31% | DEN: 2.08
Yellowhead Wrasse - Wrasse
(Halichoeres garnoti)
SF: 92.31% | DEN: 3.25
Banded Butterflyfish - Butterflyfish
(Chaetodon striatus)
SF: 84.62% | DEN: 2.18
Brown Garden Eel - Conger
(Heteroconger longissimus)
SF: 84.62% | DEN: 3.91
French Grunt - Grunt
(Haemulon flavolineatum)
SF: 84.62% | DEN: 2.64
Graysby - Seabass
(Cephalopholis cruentata)
SF: 84.62% | DEN: 2.36
Stoplight Parrotfish - Parrotfish
(Sparisoma viride)
SF: 84.62% | DEN: 2.55
Creole Wrasse - Wrasse
(Bodianus parrae)
SF: 76.92% | DEN: 2.9
Sharpnose Puffer - Puffer
(Canthigaster rostrata)
SF: 76.92% | DEN: 2.6
Smallmouth Grunt - Grunt
(Haemulon chrysargyreum)
SF: 76.92% | DEN: 2.4
Spotted Drum - Drum
(Eques punctatus)
SF: 76.92% | DEN: 1.6
Coney - Seabass
(Cephalopholis fulva)
SF: 69.23% | DEN: 2
Longfin Damselfish - Damselfish
(Stegastes diencaeus)
SF: 69.23% | DEN: 2.11
Longspine Squirrelfish - Squirrelfish
(Holocentrus rufus)
SF: 69.23% | DEN: 1.89
Queen Parrotfish - Parrotfish
(Scarus vetula)
SF: 69.23% | DEN: 2
Bridled Goby Complex (Bridled/Sand-Canyon/Patch-Reef) - Goby
(C. glaucofraenum/C. venezuelae/C. tortugae)
SF: 61.54% | DEN: 2.88
Masked Goby/Glass Goby - Goby
(Coryphopterus personatus/hyalinus)
SF: 61.54% | DEN: 3.75
Peppermint Goby - Goby
(Coryphopterus lipernes)
SF: 61.54% | DEN: 2.25
Rock Beauty - Angelfish
(Holacanthus tricolor)
SF: 61.54% | DEN: 1.75
Threespot Damselfish - Damselfish
(Stegastes planifrons)
SF: 61.54% | DEN: 2.38
Tomtate - Grunt
(Haemulon aurolineatum)
SF: 61.54% | DEN: 2.75
Trumpetfish - Trumpetfish
(Aulostomus maculatus)
SF: 61.54% | DEN: 1.63
Barred Hamlet (Caribbean) - Seabass
(Hypoplectrus puella)
SF: 53.85% | DEN: 1.43
Goldspot Goby - Goby
(Gnatholepis thompsoni)
SF: 53.85% | DEN: 2.86
Southern Stingray - Stingray
(Hypanus americanus)
SF: 53.85% | DEN: 1.14
Striped Parrotfish - Parrotfish
(Scarus iseri)
SF: 53.85% | DEN: 2.43
Yellowtail Snapper - Snapper
(Ocyurus chrysurus)
SF: 53.85% | DEN: 2.71
Caesar Grunt - Grunt
(Haemulon carbonarium)
SF: 46.15% | DEN: 2.5
Fairy Basslet - Basslet
(Gramma loreto)
SF: 46.15% | DEN: 2.83
Longjaw Squirrelfish - Squirrelfish
(Neoniphon marianus)
SF: 46.15% | DEN: 2.33
Mutton Snapper - Snapper
(Lutjanus analis)
SF: 46.15% | DEN: 1.83
Red Lionfish (exotic) - Scorpionfish
(Pterois volitans)
SF: 46.15% | DEN: 1.67
Schoolmaster - Snapper
(Lutjanus apodus)
SF: 46.15% | DEN: 2
Spinyhead Blenny - Blenny - Pike, tube, and flag
(Acanthemblemaria spinosa)
SF: 46.15% | DEN: 2.29
Yellowtail Hamlet - Seabass
(Hypoplectrus chlorurus)
SF: 46.15% | DEN: 1.17
Butter Hamlet - Seabass
(Hypoplectrus unicolor)
SF: 38.46% | DEN: 1
Dusky Damselfish - Damselfish
(Stegastes adustus)
SF: 38.46% | DEN: 2
Honeycomb Cowfish - Boxfish
(Acanthostracion polygonius)
SF: 38.46% | DEN: 1.4
Longsnout Butterflyfish - Butterflyfish
(Chaetodon aculeatus)
SF: 38.46% | DEN: 1.2
Orangespotted Filefish - Filefish
(Cantherhines pullus)
SF: 38.46% | DEN: 1.2
Peacock Flounder - Flounder
(Bothus lunatus)
SF: 38.46% | DEN: 1.4
Redspotted Hawkfish - Hawkfish
(Amblycirrhitus pinos)
SF: 38.46% | DEN: 1.4
Sand Diver - Lizardfish
(Synodus intermedius)
SF: 38.46% | DEN: 1.8
Sand Tilefish - Tilefish
(Malacanthus plumieri)
SF: 38.46% | DEN: 1.4
Slippery Dick - Wrasse
(Halichoeres bivittatus)
SF: 38.46% | DEN: 2.6
Smooth Trunkfish - Boxfish
(Lactophrys triqueter)
SF: 38.46% | DEN: 1.6
Spotted Scorpionfish - Scorpionfish
(Scorpaena plumieri plumieri)
SF: 38.46% | DEN: 1
Tobaccofish - Seabass
(Serranus tabacarius)
SF: 38.46% | DEN: 1.6
White Grunt - Grunt
(Haemulon plumierii)
SF: 38.46% | DEN: 1.4
Yellowhead Jawfish - Jawfish
(Opistognathus aurifrons)
SF: 38.46% | DEN: 2
Beaugregory - Damselfish
(Stegastes leucostictus)
SF: 30.77% | DEN: 2.5
Belted Cardinalfish - Cardinalfish
(Apogon townsendi)
SF: 30.77% | DEN: 2.5
Bluestriped Grunt - Grunt
(Haemulon sciurus)
SF: 30.77% | DEN: 2.5
Cero - Mackerel
(Scomberomorus regalis)
SF: 30.77% | DEN: 1.25
French Angelfish - Angelfish
(Pomacanthus paru)
SF: 30.77% | DEN: 1
Hawksbill Sea Turtle - Sea Turtles
(Eretmochelys imbricata)
SF: 30.77% | DEN: 1
Red Hind - Seabass
(Epinephelus guttatus)
SF: 30.77% | DEN: 1.5
Scrawled Filefish - Filefish
(Aluterus scriptus)
SF: 30.77% | DEN: 1
Spotted Moray - Moray
(Gymnothorax moringa)
SF: 30.77% | DEN: 1
Yellowtail Damselfish - Damselfish
(Microspathodon chrysurus)
SF: 30.77% | DEN: 1.75
Dusky Squirrelfish - Squirrelfish
(Sargocentron vexillarium)
SF: 23.08% | DEN: 1.33
Glasseye Snapper (Atlantic) - Bigeye
(Heteropriacanthus cruentatus)
SF: 23.08% | DEN: 1.67
Goldentail Moray - Moray
(Gymnothorax miliaris)
SF: 23.08% | DEN: 1
Green Moray - Moray
(Gymnothorax funebris)
SF: 23.08% | DEN: 1
Porcupinefish - Porcupinefish
(Diodon hystrix)
SF: 23.08% | DEN: 1.33
Queen Angelfish - Angelfish
(Holacanthus ciliaris)
SF: 23.08% | DEN: 2
Redlip Blenny - Blenny - Combtooth
(Ophioblennius macclurei)
SF: 23.08% | DEN: 1.67
Redtail Parrotfish - Parrotfish
(Sparisoma chrysopterum)
SF: 23.08% | DEN: 2
Shortstripe Goby - Goby
(Elacatinus chancei)
SF: 23.08% | DEN: 1.67
Spotfin Butterflyfish - Butterflyfish
(Chaetodon ocellatus)
SF: 23.08% | DEN: 2.33
Spotted Trunkfish - Boxfish
(Lactophrys bicaudalis)
SF: 23.08% | DEN: 1.33
Squirrelfish - Squirrelfish
(Holocentrus adscensionis)
SF: 23.08% | DEN: 2.33
Barred Cardinalfish - Cardinalfish
(Apogon binotatus)
SF: 15.38% | DEN: 3
Black Durgon - Triggerfish
(Melichthys niger)
SF: 15.38% | DEN: 1.5
Black Hamlet - Seabass
(Hypoplectrus nigricans)
SF: 15.38% | DEN: 1
Blue Runner - Jack
(Caranx crysos)
SF: 15.38% | DEN: 1.5
Cleaning Goby - Goby
(Elacatinus genie)
SF: 15.38% | DEN: 2.5
Clown Wrasse - Wrasse
(Halichoeres maculipinna)
SF: 15.38% | DEN: 2.5
Cocoa Damselfish - Damselfish
(Stegastes xanthurus)
SF: 15.38% | DEN: 2.5
Gray Angelfish - Angelfish
(Pomacanthus arcuatus)
SF: 15.38% | DEN: 1
Gray Snapper - Snapper
(Lutjanus griseus)
SF: 15.38% | DEN: 2.5
Green Sea Turtle - Sea Turtles
(Chelonia mydas)
SF: 15.38% | DEN: 1
Pallid Goby - Goby
(Coryphopterus eidolon)
SF: 15.38% | DEN: 2
Porkfish - Grunt
(Anisotremus virginicus)
SF: 15.38% | DEN: 1
Secretary Blenny - Blenny - Pike, tube, and flag
(Acanthemblemaria maria)
SF: 15.38% | DEN: 1
White Margate - Grunt
(Haemulon album)
SF: 15.38% | DEN: 2
Whitespotted Filefish - Filefish
(Cantherhines macrocerus)
SF: 15.38% | DEN: 2
Yellowtail (Redfin) Parrotfish - Parrotfish
(Sparisoma rubripinne)
SF: 15.38% | DEN: 2
Atlantic Spadefish - Spadefish
(Chaetodipterus faber)
SF: 7.69% | DEN: 2
Balloonfish - Porcupinefish
(Diodon holocanthus)
SF: 7.69% | DEN: 1
Bandtail Puffer - Puffer
(Sphoeroides spengleri)
SF: 7.69% | DEN: 1
Bermuda Chub/Gray Chub - Chub
(Kyphosus sectatrix / K. bigibbus)
SF: 7.69% | DEN: 2
Black Margate - Grunt
(Anisotremus surinamensis)
SF: 7.69% | DEN: 1
Blackcap Basslet - Basslet
(Gramma melacara)
SF: 7.69% | DEN: 3
Bluelip Parrotfish - Parrotfish
(Cryptotomus roseus)
SF: 7.69% | DEN: 2
Bluestriped Lizardfish - Lizardfish
(Synodus saurus)
SF: 7.69% | DEN: 1
Bridled Goby (true species; not complex) - Goby
(Coryphopterus glaucofraenum)
SF: 7.69% | DEN: 2
Colon Goby - Goby
(Coryphopterus dicrus)
SF: 7.69% | DEN: 3
Creolefish (Atlantic) - Seabass
(Paranthias furcifer)
SF: 7.69% | DEN: 4
Doctorfish - Surgeonfish
(Acanthurus chirurgus)
SF: 7.69% | DEN: 3
Dog Snapper - Snapper
(Lutjanus jocu)
SF: 7.69% | DEN: 1
Flamefish - Cardinalfish
(Apogon maculatus)
SF: 7.69% | DEN: 2
Freckled Soapfish - Soapfishes
(Rypticus bistrispinus)
SF: 7.69% | DEN: 1
Greater Soapfish - Soapfishes
(Rypticus saponaceus)
SF: 7.69% | DEN: 1
Green Razorfish - Wrasse
(Xyrichtys splendens)
SF: 7.69% | DEN: 2
Greenblotch Parrotfish - Parrotfish
(Sparisoma atomarium)
SF: 7.69% | DEN: 2
Harlequin / Banded Pipefish - Pipefish and Seahorse
(Micrognathus crinitus)
SF: 7.69% | DEN: 1
Highhat - Drum
(Pareques acuminatus / Pareques lineatus)
SF: 7.69% | DEN: 1
Indigo Hamlet - Seabass
(Hypoplectrus indigo)
SF: 7.69% | DEN: 1
Lantern Bass - Seabass
(Serranus baldwini)
SF: 7.69% | DEN: 2
Nassau Grouper - Seabass
(Epinephelus striatus)
SF: 7.69% | DEN: 2
Puddingwife - Wrasse
(Halichoeres radiatus)
SF: 7.69% | DEN: 2
Purplemouth Moray - Moray
(Gymnothorax vicinus)
SF: 7.69% | DEN: 1
Reef Butterflyfish - Butterflyfish
(Chaetodon sedentarius)
SF: 7.69% | DEN: 1
Reef Squirrelfish - Squirrelfish
(Holocentrus coruscus)
SF: 7.69% | DEN: 2
Rosy Razorfish - Wrasse
(Xyrichtys martinicensis)
SF: 7.69% | DEN: 2
Saddled Blenny - Blenny - Labrisomids
(Malacoctenus triangulatus)
SF: 7.69% | DEN: 1
Sailfin Blenny - Blenny - Pike, tube, and flag
(Emblemaria pandionis)
SF: 7.69% | DEN: 1
Sailors Choice - Grunt
(Haemulon parra)
SF: 7.69% | DEN: 3
Sand-Canyon Goby (part of Bridled Goby Complex) - Goby
(Coryphopterus venezuelae (was C. bol))
SF: 7.69% | DEN: 2
Sharknose Goby - Goby
(Elacatinus evelynae)
SF: 7.69% | DEN: 4
Spanish Grunt - Grunt
(Haemulon macrostoma)
SF: 7.69% | DEN: 2
Sponge Cardinalfish - Cardinalfish
(Phaeoptyx xenus)
SF: 7.69% | DEN: 1
Striped Grunt - Grunt
(Haemulon striatum)
SF: 7.69% | DEN: 1
Tusked Goby - Goby
(Risor ruber)
SF: 7.69% | DEN: 3
Yellowfin Grouper - Seabass
(Mycteroperca venenosa)
SF: 7.69% | DEN: 1