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Region: TWA

Geographic Zones: Continental Caribbean and Brazil - Zone 8 » Aruba, Bonaire, and Curacao - Zone 85 » Bonaire - Zone 8503 » Twin Rocks Reserve (North Reserve) - Zone 85030008

Survey Types: Species & Abundance, Species Only

Dates: 1/1/93 - 11/8/25

Total Surveys: 79

#Species Reported: 162

Average Species Reported on a Survey by Expert Surveyors: 61.25

Average Species Reported on a Survey by Novice Surveyors: 39.51

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)
8Continental Caribbean and Brazil16063070:26
85Aruba, Bonaire, and Curacao16063070:26
8503Bonaire16063070:26
85030008Twin Rocks Reserve (North Reserve)16063070:26
TOTALS16063070:26

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 Tang - Surgeonfish
(Acanthurus coeruleus)
SF: 100% | DEN: 2.8
Blue Chromis - Damselfish
(Azurina cyanea)
SF: 98.73% | DEN: 3.63
Foureye Butterflyfish - Butterflyfish
(Chaetodon capistratus)
SF: 98.73% | DEN: 2.5
Bicolor Damselfish - Damselfish
(Stegastes partitus)
SF: 97.47% | DEN: 3.62
Black Durgon - Triggerfish
(Melichthys niger)
SF: 97.47% | DEN: 2.83
Bluehead - Wrasse
(Thalassoma bifasciatum)
SF: 97.47% | DEN: 3.22
Brown Chromis - Damselfish
(Azurina multilineata)
SF: 96.2% | DEN: 3.84
Blackbar Soldierfish - Squirrelfish
(Myripristis jacobus)
SF: 94.94% | DEN: 2.53
Fairy Basslet - Basslet
(Gramma loreto)
SF: 94.94% | DEN: 3.16
Stoplight Parrotfish - Parrotfish
(Sparisoma viride)
SF: 94.94% | DEN: 2.75
Rock Beauty - Angelfish
(Holacanthus tricolor)
SF: 93.67% | DEN: 1.97
Yellowtail Damselfish - Damselfish
(Microspathodon chrysurus)
SF: 93.67% | DEN: 2.7
Creole Wrasse - Wrasse
(Bodianus parrae)
SF: 88.61% | DEN: 3.84
Spanish Hogfish - Wrasse
(Bodianus rufus)
SF: 88.61% | DEN: 2.16
Trumpetfish - Trumpetfish
(Aulostomus maculatus)
SF: 88.61% | DEN: 1.99
Graysby - Seabass
(Cephalopholis cruentata)
SF: 86.08% | DEN: 2.12
Princess Parrotfish - Parrotfish
(Scarus taeniopterus)
SF: 86.08% | DEN: 2.53
Schoolmaster - Snapper
(Lutjanus apodus)
SF: 83.54% | DEN: 2.15
Queen Parrotfish - Parrotfish
(Scarus vetula)
SF: 82.28% | DEN: 2.46
Smooth Trunkfish - Boxfish
(Lactophrys triqueter)
SF: 79.75% | DEN: 1.92
Threespot Damselfish - Damselfish
(Stegastes planifrons)
SF: 79.75% | DEN: 2.94
Yellowhead Wrasse - Wrasse
(Halichoeres garnoti)
SF: 79.75% | DEN: 3.03
Bar Jack - Jack
(Caranx ruber)
SF: 75.95% | DEN: 2.28
Sharpnose Puffer - Puffer
(Canthigaster rostrata)
SF: 74.68% | DEN: 2.17
Yellow Goatfish - Goatfish
(Mulloidichthys martinicus)
SF: 72.15% | DEN: 2.6
Yellowtail Snapper - Snapper
(Ocyurus chrysurus)
SF: 70.89% | DEN: 2.23
French Grunt - Grunt
(Haemulon flavolineatum)
SF: 69.62% | DEN: 1.95
Redband Parrotfish - Parrotfish
(Sparisoma aurofrenatum)
SF: 65.82% | DEN: 2.23
Mahogany Snapper - Snapper
(Lutjanus mahogoni)
SF: 64.56% | DEN: 1.8
Sergeant Major - Damselfish
(Abudefduf saxatilis)
SF: 63.29% | DEN: 2.36
Creolefish (Atlantic) - Seabass
(Paranthias furcifer)
SF: 60.76% | DEN: 2.77
Masked Goby/Glass Goby - Goby
(Coryphopterus personatus/hyalinus)
SF: 55.7% | DEN: 3.93
Longspine Squirrelfish - Squirrelfish
(Holocentrus rufus)
SF: 54.43% | DEN: 1.74
Ocean Surgeonfish - Surgeonfish
(Acanthurus tractus)
SF: 54.43% | DEN: 2.19
Redlip Blenny - Blenny - Combtooth
(Ophioblennius macclurei)
SF: 53.16% | DEN: 2.1
Tiger Grouper - Seabass
(Mycteroperca tigris)
SF: 46.84% | DEN: 1.51
Harlequin Bass - Seabass
(Serranus tigrinus)
SF: 45.57% | DEN: 2.14
Peppermint Goby - Goby
(Coryphopterus lipernes)
SF: 45.57% | DEN: 2.5
Banded Butterflyfish - Butterflyfish
(Chaetodon striatus)
SF: 40.51% | DEN: 2.03
Longjaw Squirrelfish - Squirrelfish
(Neoniphon marianus)
SF: 40.51% | DEN: 1.41
Spotted Trunkfish - Boxfish
(Lactophrys bicaudalis)
SF: 40.51% | DEN: 1.44
Longsnout Butterflyfish - Butterflyfish
(Chaetodon aculeatus)
SF: 39.24% | DEN: 1.39
Clown Wrasse - Wrasse
(Halichoeres maculipinna)
SF: 36.71% | DEN: 2.07
Peppermint Basslet - Basslet / Seabass
(Liopropoma rubre)
SF: 35.44% | DEN: 1.75
Queen Angelfish - Angelfish
(Holacanthus ciliaris)
SF: 34.18% | DEN: 1.22
Redspotted Hawkfish - Hawkfish
(Amblycirrhitus pinos)
SF: 34.18% | DEN: 1.56
Striped Parrotfish - Parrotfish
(Scarus iseri)
SF: 34.18% | DEN: 2.22
Whitespotted Filefish - Filefish
(Cantherhines macrocerus)
SF: 34.18% | DEN: 1.37
Honeycomb Cowfish - Boxfish
(Acanthostracion polygonius)
SF: 30.38% | DEN: 1.29
Longfin Damselfish - Damselfish
(Stegastes diencaeus)
SF: 30.38% | DEN: 2.17
Orangespotted Filefish - Filefish
(Cantherhines pullus)
SF: 29.11% | DEN: 1.22
Whitestar Cardinalfish - Cardinalfish
(Apogon lachneri)
SF: 29.11% | DEN: 2.17
Cocoa Damselfish - Damselfish
(Stegastes xanthurus)
SF: 27.85% | DEN: 2.41
Porcupinefish - Porcupinefish
(Diodon hystrix)
SF: 27.85% | DEN: 1.14
Spotted Drum - Drum
(Eques punctatus)
SF: 27.85% | DEN: 1.41
Belted Cardinalfish - Cardinalfish
(Apogon townsendi)
SF: 26.58% | DEN: 1.9
Black Margate - Grunt
(Anisotremus surinamensis)
SF: 26.58% | DEN: 1.24
Bluestriped Grunt - Grunt
(Haemulon sciurus)
SF: 26.58% | DEN: 1.43
Bridled Goby Complex (Bridled/Sand-Canyon/Patch-Reef) - Goby
(C. glaucofraenum/C. venezuelae/C. tortugae)
SF: 26.58% | DEN: 2.95
Coney - Seabass
(Cephalopholis fulva)
SF: 25.32% | DEN: 2
French Angelfish - Angelfish
(Pomacanthus paru)
SF: 25.32% | DEN: 1.4
Doctorfish - Surgeonfish
(Acanthurus chirurgus)
SF: 24.05% | DEN: 2
Goldentail Moray - Moray
(Gymnothorax miliaris)
SF: 24.05% | DEN: 1.16
Sharknose Goby - Goby
(Elacatinus evelynae)
SF: 24.05% | DEN: 1.75
Spinyhead Blenny - Blenny - Pike, tube, and flag
(Acanthemblemaria spinosa)
SF: 24.05% | DEN: 2
Yellowtail Hamlet - Seabass
(Hypoplectrus chlorurus)
SF: 24.05% | DEN: 1.42
Balloonfish - Porcupinefish
(Diodon holocanthus)
SF: 22.78% | DEN: 1.17
Dusky Damselfish - Damselfish
(Stegastes adustus)
SF: 21.52% | DEN: 2.24
Midnight Parrotfish - Parrotfish
(Scarus coelestinus)
SF: 20.25% | DEN: 1
Smallmouth Grunt - Grunt
(Haemulon chrysargyreum)
SF: 18.99% | DEN: 2.2
Dusky Squirrelfish - Squirrelfish
(Sargocentron vexillarium)
SF: 17.72% | DEN: 1.5
Spotted Moray - Moray
(Gymnothorax moringa)
SF: 17.72% | DEN: 1.29
Rainbow Wrasse - Wrasse
(Halichoeres pictus)
SF: 16.46% | DEN: 2.23
Squirrelfish - Squirrelfish
(Holocentrus adscensionis)
SF: 16.46% | DEN: 1.31
Barred Cardinalfish - Cardinalfish
(Apogon binotatus)
SF: 15.19% | DEN: 1.92
Bermuda Chub/Gray Chub - Chub
(Kyphosus sectatrix / K. bigibbus)
SF: 13.92% | DEN: 1.45
Caesar Grunt - Grunt
(Haemulon carbonarium)
SF: 13.92% | DEN: 1.09
Glasseye Snapper (Atlantic) - Bigeye
(Heteropriacanthus cruentatus)
SF: 13.92% | DEN: 1.45
Puddingwife - Wrasse
(Halichoeres radiatus)
SF: 13.92% | DEN: 1.82
Scrawled Filefish - Filefish
(Aluterus scriptus)
SF: 13.92% | DEN: 1.09
Yellownose Goby - Goby
(Elacatinus randalli)
SF: 13.92% | DEN: 1.82
Barred Hamlet (Caribbean) - Seabass
(Hypoplectrus puella)
SF: 12.66% | DEN: 1.2
Slippery Dick - Wrasse
(Halichoeres bivittatus)
SF: 12.66% | DEN: 2.3
Goldspot Goby - Goby
(Gnatholepis thompsoni)
SF: 11.39% | DEN: 2
Orangesided Goby - Goby
(Tigrigobius dilepis)
SF: 11.39% | DEN: 1.67
Yellowline Goby - Goby
(Elacatinus horsti)
SF: 11.39% | DEN: 2
Flamefish - Cardinalfish
(Apogon maculatus)
SF: 10.13% | DEN: 1.25
Greater Soapfish - Soapfishes
(Rypticus saponaceus)
SF: 10.13% | DEN: 1
Butter Hamlet - Seabass
(Hypoplectrus unicolor)
SF: 8.86% | DEN: 1
Yellowtail (Redfin) Parrotfish - Parrotfish
(Sparisoma rubripinne)
SF: 8.86% | DEN: 1.43
Boga - Grunt
(Haemulon vittatum)
SF: 7.59% | DEN: 3.17
Pallid Goby - Goby
(Coryphopterus eidolon)
SF: 7.59% | DEN: 2.17
Peacock Flounder - Flounder
(Bothus lunatus)
SF: 7.59% | DEN: 1
Red Hind - Seabass
(Epinephelus guttatus)
SF: 7.59% | DEN: 1.83
Redtail Parrotfish - Parrotfish
(Sparisoma chrysopterum)
SF: 7.59% | DEN: 2.17
Beaugregory - Damselfish
(Stegastes leucostictus)
SF: 6.33% | DEN: 2
Candy Basslet - Basslet / Seabass
(Liopropoma carmabi)
SF: 6.33% | DEN: 1
Cubera Snapper - Snapper
(Lutjanus cyanopterus)
SF: 6.33% | DEN: 1
Green Moray - Moray
(Gymnothorax funebris)
SF: 6.33% | DEN: 1.2
Rainbow Parrotfish - Parrotfish
(Scarus guacamaia)
SF: 6.33% | DEN: 2
Rusty Goby - Goby
(Priolepis hipoliti)
SF: 6.33% | DEN: 1
School Bass - Seabass
(Schultzea beta)
SF: 6.33% | DEN: 3.2
Colon Goby - Goby
(Coryphopterus dicrus)
SF: 5.06% | DEN: 1.25
Rock Hind - Seabass
(Epinephelus adscensionis)
SF: 5.06% | DEN: 1.25
Unidentified Darkheaded Blenny Emblemariopsis sp. B - Blenny - Pike, tube, and flag
(Emblemariopsis sp. B (Darkheaded))
SF: 5.06% | DEN: 1
Horse-eye Jack - Jack
(Caranx latus)
SF: 3.8% | DEN: 2
Houndfish - Needlefish
(Tylosurus crocodilus crocodilus)
SF: 3.8% | DEN: 3
Lofty Triplefin - Triplefin (Blenny)
(Enneanectes altivelis)
SF: 3.8% | DEN: 1
Spanish Grunt - Grunt
(Haemulon macrostoma)
SF: 3.8% | DEN: 1.33
Spotted Goatfish - Goatfish
(Pseudupeneus maculatus)
SF: 3.8% | DEN: 2
Twospot Cardinalfish - Cardinalfish
(Apogon pseudomaculatus)
SF: 3.8% | DEN: 1.67
Yellowfin Mojarra - Mojarra
(Gerres cinereus)
SF: 3.8% | DEN: 2
Blue Angelfish - Angelfish
(Holacanthus bermudensis)
SF: 2.53% | DEN: 1.5
Brown Garden Eel - Conger
(Heteroconger longissimus)
SF: 2.53% | DEN: 2.5
Cardinal Soldierfish - Squirrelfish
(Plectrypops retrospinis)
SF: 2.53% | DEN: 1
Dusky Cardinalfish - Cardinalfish
(Phaeoptyx pigmentaria)
SF: 2.53% | DEN: 1.5
Dwarf Shy Blenny Complex - Blenny - Labrisomids
(Starksia nanodes complex)
SF: 2.53% | DEN: 1
Great Barracuda - Barracuda
(Sphyraena barracuda)
SF: 2.53% | DEN: 1
Hybrid Hamlet - Seabass
(Hypoplectrus (Hybrid))
SF: 2.53% | DEN: 1
Night Sergeant - Damselfish
(Abudefduf taurus)
SF: 2.53% | DEN: 2
Ocean Triggerfish - Triggerfish
(Canthidermis sufflamen)
SF: 2.53% | DEN: 1.5
Reef Squirrelfish - Squirrelfish
(Holocentrus coruscus)
SF: 2.53% | DEN: 1.5
Saddled Blenny - Blenny - Labrisomids
(Malacoctenus triangulatus)
SF: 2.53% | DEN: 1.5
Slender Filefish - Filefish
(Monacanthus tuckeri)
SF: 2.53% | DEN: 1.5
Spotfin Butterflyfish - Butterflyfish
(Chaetodon ocellatus)
SF: 2.53% | DEN: 1.5
Spotted Scorpionfish - Scorpionfish
(Scorpaena plumieri plumieri)
SF: 2.53% | DEN: 1
Sunshinefish - Damselfish
(Chromis insolata)
SF: 2.53% | DEN: 2.5
Trunkfish - Boxfish
(Lactophrys trigonus)
SF: 2.53% | DEN: 2
Yellowfin Grouper - Seabass
(Mycteroperca venenosa)
SF: 2.53% | DEN: 1
Yellowmouth Grouper - Seabass
(Mycteroperca interstitialis)
SF: 2.53% | DEN: 1
Black Hamlet - Seabass
(Hypoplectrus nigricans)
SF: 1.27% | DEN: 1
Blackear Wrasse - Wrasse
(Halichoeres poeyi)
SF: 1.27% | DEN: 1
Blue Parrotfish - Parrotfish
(Scarus coeruleus)
SF: 1.27% | DEN: 2
Bluespotted Cornetfish - Cornetfish
(Fistularia tabacaria)
SF: 1.27% | DEN: 1
Chain Moray - Moray
(Echidna catenata)
SF: 1.27% | DEN: 1
Cherubfish - Angelfish
(Centropyge argi)
SF: 1.27% | DEN: 2
Dusky Blenny - Blenny - Labrisomids
(Malacoctenus gilli)
SF: 1.27% | DEN: 1
Gray Snapper - Snapper
(Lutjanus griseus)
SF: 1.27% | DEN: 1
Green Razorfish - Wrasse
(Xyrichtys splendens)
SF: 1.27% | DEN: 2
Hogfish - Wrasse
(Lachnolaimus maximus)
SF: 1.27% | DEN: 2
Keeltail Needlefish - Needlefish
(Platybelone argalus argalus)
SF: 1.27% | DEN: 1
Lantern Bass - Seabass
(Serranus baldwini)
SF: 1.27% | DEN: 1
Longlure Frogfish - Frogfish
(Antennarius multiocellatus)
SF: 1.27% | DEN: 1
Nassau Grouper - Seabass
(Epinephelus striatus)
SF: 1.27% | DEN: 1
Neon Goby - Goby
(Elacatinus oceanops)
SF: 1.27% | DEN: 4
Nurse Shark - Carpet Shark
(Ginglymostoma cirratum)
SF: 1.27% | DEN: 1
Orange Filefish - Filefish
(Aluterus schoepfii)
SF: 1.27% | DEN: 1
Purple Reeffish - Damselfish
(Chromis scotti)
SF: 1.27% | DEN: 3
Red Clingfish - Clingfish
(Acyrtus rubiginosus)
SF: 1.27% | DEN: 2
Sailfin Blenny - Blenny - Pike, tube, and flag
(Emblemaria pandionis)
SF: 1.27% | DEN: 2
Sand Diver - Lizardfish
(Synodus intermedius)
SF: 1.27% | DEN: 2
Sand Perch - Seabass
(Diplectrum formosum)
SF: 1.27% | DEN: 3
Scrawled Cowfish - Boxfish
(Acanthostracion quadricornis)
SF: 1.27% | DEN: 1
Shortstripe Goby - Goby
(Elacatinus chancei)
SF: 1.27% | DEN: 1
Snakefish - Lizardfish
(Trachinocephalus myops)
SF: 1.27% | DEN: 1
Sponge Cardinalfish - Cardinalfish
(Phaeoptyx xenus)
SF: 1.27% | DEN: 1
Spotlight Goby - Goby
(Elacatinus louisae)
SF: 1.27% | DEN: 1
Tobaccofish - Seabass
(Serranus tabacarius)
SF: 1.27% | DEN: 1
Unidentified Silvery Fish (Silversides / Anchovies / Herrings) - Silvery Fishes - Silversides, Herrings, and Anchovies
(Atheriniformes sp./ Clupeiformes sp.)
SF: 1.27% | DEN: 4
Whitespotted Soapfish - Soapfishes
(Rypticus maculatus)
SF: 1.27% | DEN: 1
Yellowcheek Wrasse - Wrasse
(Halichoeres cyanocephalus)
SF: 1.27% | DEN: 2
Yellowhead Jawfish - Jawfish
(Opistognathus aurifrons)
SF: 1.27% | DEN: 2