Region: IORS
Geographic Zones: Maldives - Zone 2 » Northern Atolls - Zone 22 » Raa Atoll (North Maalhosmadulu) - Zone 2204 » Huruvalhi House Reef - Zone 22040001
Survey Types: Species & Abundance, Species Only
Dates: 1/1/93 - 5/11/25
Total Surveys: 4
#Species Reported: 194
Average Species Reported on a Survey by Expert Surveyors: 84.00
Average Species Reported on a Survey by Novice Surveyors: 124.50
Survey Type: SA = Species & Abundance; SO = Species Only - How to interpret REEF data?
Click a column header to sort by that column. Hold shift and click to sort by multiple columns
| Surveys | Bottom Time | |||||
|---|---|---|---|---|---|---|
| Expert | Novice | |||||
| Code | Name | SA | SO | SA | SO | (H:M) |
| 2 | Maldives | 2 | 0 | 2 | 0 | 3:49 |
| 22 | Northern Atolls | 2 | 0 | 2 | 0 | 3:49 |
| 2204 | Raa Atoll (North Maalhosmadulu) | 2 | 0 | 2 | 0 | 3:49 |
| 22040001 | Huruvalhi House Reef | 2 | 0 | 2 | 0 | 3:49 |
| TOTALS | 2 | 0 | 2 | 0 | 3:49 | |
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.
Bar length corresponds to sighting frequency
Color saturation corresponds to density score
Click + to display species image and additional information.
Black Pyramid Butterflyfish - Butterflyfish
(Hemitaurichthys zoster)
(Hemitaurichthys zoster)
Blackstreak Surgeonfish - Surgeonfish
(Acanthurus nigricauda)
(Acanthurus nigricauda)
Blackstripe Cardinalfish - Cardinalfish
(Ostorhinchus nigrofasciatus)
(Ostorhinchus nigrofasciatus)
Bluestreak Fusilier - Fusilier
(Pterocaesio tile)
(Pterocaesio tile)
Elegant Unicornfish - Surgeonfish
(Naso elegans)
(Naso elegans)
Indian Dascyllus - Damselfish
(Dascyllus carneus)
(Dascyllus carneus)
Indian Redfin Butterflyfish - Butterflyfish
(Chaetodon trifasciatus)
(Chaetodon trifasciatus)
Indian Sailfin Tang - Surgeonfish
(Zebrasoma desjardinii)
(Zebrasoma desjardinii)
Jewel Damsel - Damselfish
(Stegastes lacrymatus)
(Stegastes lacrymatus)
Leopard Grouper - Seabass
(Cephalopholis leopardus)
(Cephalopholis leopardus)
Lined Bristletooth - Surgeonfish
(Ctenochaetus striatus)
(Ctenochaetus striatus)
Longbarbel Goatfish - Goatfish
(Parupeneus macronemus)
(Parupeneus macronemus)
Moorish Idol - Moorish Idol
(Zanclus cornutus)
(Zanclus cornutus)
Peacock Grouper - Seabass
(Cephalopholis argus)
(Cephalopholis argus)
Powderblue Surgeonfish - Surgeonfish
(Acanthurus leucosternon)
(Acanthurus leucosternon)
Redtooth Triggerfish - Triggerfish
(Odonus niger)
(Odonus niger)
Regal Angelfish - Angelfish
(Pygoplites diacanthus)
(Pygoplites diacanthus)
Tailspot Squirrelfish - Squirrelfish
(Sargocentron caudimaculatum)
(Sargocentron caudimaculatum)
Tricolor Parrotfish - Parrotfish
(Scarus tricolor)
(Scarus tricolor)
Weber's Chromis - Damselfish
(Chromis weberi)
(Chromis weberi)
Axilspot Hogfish - Wrasse
(Bodianus axillaris)
(Bodianus axillaris)
Barred Thicklip - Wrasse
(Hemigymnus fasciatus)
(Hemigymnus fasciatus)
Big Longnose Butterflyfish - Butterflyfish
(Forcipiger longirostris)
(Forcipiger longirostris)
Bignose Unicornfish - Surgeonfish
(Naso vlamingii)
(Naso vlamingii)
Blackfin Grouper - Seabass
(Cephalopholis nigripinnis)
(Cephalopholis nigripinnis)
Blacklip Butterflyfish - Butterflyfish
(Chaetodon kleinii)
(Chaetodon kleinii)
Blue-yellow Damsel - Damselfish
(Pomacentrus caeruleus)
(Pomacentrus caeruleus)
Bluestreak Cleaner Wrasse - Wrasse
(Labroides dimidiatus)
(Labroides dimidiatus)
Bluestriped Fangblenny - Blenny - Combtooth
(Plagiotremus rhinorhynchos)
(Plagiotremus rhinorhynchos)
Bluntheaded Wrasse - Wrasse
(Thalassoma amblycephalum)
(Thalassoma amblycephalum)
Bridled Parrotfish - Parrotfish
(Scarus frenatus)
(Scarus frenatus)
Brown Pygmy Angelfish - Angelfish
(Centropyge multispinis)
(Centropyge multispinis)
Buff Chromis - Damselfish
(Chromis xutha)
(Chromis xutha)
Bullethead (Indian) Parrotfish - Parrotfish
(Chlorurus sordidus)
(Chlorurus sordidus)
Canarytop Wrasse - Wrasse
(Halichoeres leucoxanthus)
(Halichoeres leucoxanthus)
Checkerboard Wrasse - Wrasse
(Halichoeres hortulanus)
(Halichoeres hortulanus)
Coral Grouper - Seabass
(Cephalopholis miniata)
(Cephalopholis miniata)
Cosmetic Wrasse - Wrasse
(Halichoeres cosmetus)
(Halichoeres cosmetus)
Crescent Wrasse - Wrasse
(Thalassoma lunare)
(Thalassoma lunare)
Dusky Wrasse (Indian Ocean) - Wrasse
(Halichoeres lamarii)
(Halichoeres lamarii)
Exquisite Fairy Wrasse - Wrasse
(Cirrhilabrus exquisitus)
(Cirrhilabrus exquisitus)
Fire Dartfish - Dartfish
(Nemateleotris magnifica)
(Nemateleotris magnifica)
Foursaddle Grouper - Seabass
(Epinephelus spilotoceps)
(Epinephelus spilotoceps)
Greenthroat Parrotfish - Parrotfish
(Scarus prasiognathos)
(Scarus prasiognathos)
Honeycomb Toby - Puffer
(Canthigaster janthinoptera)
(Canthigaster janthinoptera)
Indian Bird Wrasse - Wrasse
(Gomphosus caeruleus)
(Gomphosus caeruleus)
Indian Damsel - Damselfish
(Pomacentrus indicus)
(Pomacentrus indicus)
Indian Half-and-half Chromis - Damselfish
(Pycnochromis fieldi)
(Pycnochromis fieldi)
Indian Triggerfish - Triggerfish
(Melichthys indicus)
(Melichthys indicus)
Lined Coralblenny - Blenny - Combtooth
(Ecsenius lineatus)
(Ecsenius lineatus)
Longnose Butterflyfish - Butterflyfish
(Forcipiger flavissimus)
(Forcipiger flavissimus)
Madagascar Butterflyfish - Butterflyfish
(Chaetodon madagaskariensis)
(Chaetodon madagaskariensis)
Maldives Dwarfgoby (similar to Whitestriped DG; was Terry's) - Goby
(Eviota JE sp 40)
(Eviota JE sp 40)
Maldives Triplefin - Triplefin
(Helcogramma maldivensis)
(Helcogramma maldivensis)
Maldives Yellowtail Damsel (pka Philippines Damsel) - Damselfish
(Pomacentrus xanthosternus)
(Pomacentrus xanthosternus)
Meyer's Butterflyfish - Butterflyfish
(Chaetodon meyeri)
(Chaetodon meyeri)
Orange-lined Triggerfish - Triggerfish
(Balistapus undulatus)
(Balistapus undulatus)
Paletail Unicornfish - Surgeonfish
(Naso brevirostris)
(Naso brevirostris)
Phantom Bannerfish - Butterflyfish
(Heniochus pleurotaenia)
(Heniochus pleurotaenia)
Redfin Bream - Emperor Bream
(Monotaxis heterodon)
(Monotaxis heterodon)
Redmouth Grouper - Seabass
(Aethaloperca rogaa)
(Aethaloperca rogaa)
Roundhead Parrotfish - Parrotfish
(Chlorurus strongylocephalus)
(Chlorurus strongylocephalus)
Saddleback Butterflyfish - Butterflyfish
(Chaetodon falcula)
(Chaetodon falcula)
Sixstripe Wrasse - Wrasse
(Pseudocheilinus hexataenia)
(Pseudocheilinus hexataenia)
Sleek Unicornfish - Surgeonfish
(Naso hexacanthus)
(Naso hexacanthus)
Slender Grouper - Seabass
(Anyperodon leucogrammicus)
(Anyperodon leucogrammicus)
Spotted Butterflyfish - Butterflyfish
(Chaetodon guttatissimus)
(Chaetodon guttatissimus)
Striped Dwarfgoby - Goby
(Eviota sebreei)
(Eviota sebreei)
Swarthy Parrotfish - Parrotfish
(Scarus niger)
(Scarus niger)
Ternate Chromis - Damselfish
(Chromis ternatensis)
(Chromis ternatensis)
Three-spot Angelfish - Angelfish
(Apolemichthys trimaculatus)
(Apolemichthys trimaculatus)
Triangular Butterflyfish - Butterflyfish
(Chaetodon triangulum)
(Chaetodon triangulum)
Twospot Bristletooth - Surgeonfish
(Ctenochaetus binotatus)
(Ctenochaetus binotatus)
Twospot Sandgoby - Goby
(Fusigobius duospilus)
(Fusigobius duospilus)
Twotone Dartfish - Dartfish
(Ptereleotris evides)
(Ptereleotris evides)
White Collar Butterflyfish - Butterflyfish
(Chaetodon collare)
(Chaetodon collare)
Whitetail Damsel - Damselfish
(Pomacentrus chrysurus)
(Pomacentrus chrysurus)
Yellow & Whitestriped Dwarfgoby - Goby
(Eviota mikiae)
(Eviota mikiae)
Zebra Dwarfgoby (IO only) - Goby
(Eviota zebrina)
(Eviota zebrina)
Bicolor Cleaner Wrasse - Wrasse
(Labroides bicolor)
(Labroides bicolor)
Bicolor Coralblenny - Blenny - Combtooth
(Ecsenius bicolor)
(Ecsenius bicolor)
Big-scale Soldierfish - Squirrelfish
(Myripristis berndti)
(Myripristis berndti)
Black-saddled Toby - Puffer
(Canthigaster valentini)
(Canthigaster valentini)
Blue-green Chromis - Damselfish
(Chromis viridis)
(Chromis viridis)
Bluestripe Snapper - Snapper
(Lutjanus kasmira)
(Lutjanus kasmira)
Bridled Monocle Bream - Coral (Monocle) Bream (Spinecheek)
(Scolopsis bilineata)
(Scolopsis bilineata)
Brown Surgeonfish - Surgeonfish
(Acanthurus nigrofuscus)
(Acanthurus nigrofuscus)
Brushtail Tang - Surgeonfish
(Zebrasoma scopas)
(Zebrasoma scopas)
Chiseltooth Wrasse - Wrasse
(Pseudodax moluccanus)
(Pseudodax moluccanus)
Clark's Anemonefish - Damselfish
(Amphiprion clarkii)
(Amphiprion clarkii)
Clown Triggerfish - Triggerfish
(Balistoides conspicillum)
(Balistoides conspicillum)
Crown Squirrelfish - Squirrelfish
(Sargocentron diadema)
(Sargocentron diadema)
Diana's Hogfish - Wrasse
(Bodianus diana)
(Bodianus diana)
Disappearing Wrasse - Wrasse
(Pseudocheilinus evanidus)
(Pseudocheilinus evanidus)
Eclipse Parrotfish - Parrotfish
(Scarus russelii)
(Scarus russelii)
Emperor Angelfish - Angelfish
(Pomacanthus imperator)
(Pomacanthus imperator)
Freckled Hawkfish - Hawkfish
(Paracirrhites forsteri)
(Paracirrhites forsteri)
Humpback Snapper - Snapper
(Lutjanus gibbus)
(Lutjanus gibbus)
Humphead Wrasse - Wrasse
(Cheilinus undulatus)
(Cheilinus undulatus)
Humpnose Bigeye Bream - Emperor Bream
(Monotaxis grandoculis)
(Monotaxis grandoculis)
Imposter Fangblenny - Blenny - Combtooth
(Plagiotremus phenax)
(Plagiotremus phenax)
Indian Doublebar Goatfish - Goatfish
(Parupeneus trifasciatus)
(Parupeneus trifasciatus)
Indian Pinstriped Wrasse - Wrasse
(Halichoeres chrysotaenia)
(Halichoeres chrysotaenia)
Little Coralblenny - Blenny - Combtooth
(Ecsenius minutus)
(Ecsenius minutus)
Masked Bannerfish - Butterflyfish
(Heniochus monoceros)
(Heniochus monoceros)
Midnight Snapper - Snapper
(Macolor macularis)
(Macolor macularis)
Onespot Snapper - Snapper
(Lutjanus monostigma)
(Lutjanus monostigma)
Oriental Sweetlips - Grunt
(Plectorhinchus vittatus)
(Plectorhinchus vittatus)
Red Snapper - Snapper
(Lutjanus bohar)
(Lutjanus bohar)
Ruddy Fusilier - Fusilier
(Pterocaesio pisang)
(Pterocaesio pisang)
Scalefin Anthias - Anthias
(Pseudanthias squamipinnis)
(Pseudanthias squamipinnis)
Scythe Triggerfish - Triggerfish
(Sufflamen bursa)
(Sufflamen bursa)
Shadowfin Soldierfish - Squirrelfish
(Myripristis adusta)
(Myripristis adusta)
Stonycoral Ghostgoby - Goby
(Pleurosicya micheli)
(Pleurosicya micheli)
Three-spot Dascyllus - Damselfish
(Dascyllus trimaculatus)
(Dascyllus trimaculatus)
Violet Soldierfish - Squirrelfish
(Myripristis violacea)
(Myripristis violacea)
Whiteline Wrasse - Wrasse
(Stethojulis albovittata)
(Stethojulis albovittata)
Whitetail Surgeonfish - Surgeonfish
(Acanthurus thompsoni)
(Acanthurus thompsoni)
Wide-band Fusilier - Fusilier
(Pterocaesio lativittata)
(Pterocaesio lativittata)
Wolf Cardinalfish - Cardinalfish
(Cheilodipterus artus)
(Cheilodipterus artus)
Yellow-edged Lyretail - Seabass
(Variola louti)
(Variola louti)
Yellow-headed Butterflyfish - Butterflyfish
(Chaetodon xanthocephalus)
(Chaetodon xanthocephalus)
Yellowback Anthias - Anthias
(Pseudanthias evansi)
(Pseudanthias evansi)
Yellowback Fusilier - Fusilier
(Caesio xanthonota)
(Caesio xanthonota)
Allen's Cardinalfish - Cardinalfish
(Cheilodipterus alleni)
(Cheilodipterus alleni)
Bartail Parrotfish - Parrotfish
(Scarus caudofasciatus)
(Scarus caudofasciatus)
Batu Coris - Wrasse
(Coris batuensis)
(Coris batuensis)
Black-blotched Porcupinefish - Porcupinefish
(Diodon liturosus)
(Diodon liturosus)
Blackbar Filefish - Filefish
(Pervagor janthinosoma)
(Pervagor janthinosoma)
Blackblotch Lizardfish - Lizardfish
(Synodus jaculum)
(Synodus jaculum)
Blackfoot Anemonefish - Damselfish
(Amphiprion nigripes)
(Amphiprion nigripes)
Blacksaddle Coral Grouper - Seabass
(Plectropomus laevis)
(Plectropomus laevis)
Blue Damsel - Damselfish
(Pomacentrus pavo)
(Pomacentrus pavo)
Bluestreak Goby - Goby
(Valenciennea strigata)
(Valenciennea strigata)
Bumphead Parrotfish - Parrotfish
(Bolbometopon muricatum)
(Bolbometopon muricatum)
Cheek-lined (pka Linedcheeked) Wrasse - Wrasse
(Oxycheilinus digramma)
(Oxycheilinus digramma)
Crescent-tail Bigeye - Bigeye
(Priacanthus hamrur)
(Priacanthus hamrur)
Dash-dot Goatfish - Goatfish
(Parupeneus barberinus)
(Parupeneus barberinus)
Doublebar Chromis - Damselfish
(Chromis opercularis)
(Chromis opercularis)
Eyebar Goby - Goby
(Gnatholepis anjerensis)
(Gnatholepis anjerensis)
Flagtail Triggerfish - Triggerfish
(Sufflamen chrysopterum)
(Sufflamen chrysopterum)
Giant Moray - Moray
(Gymnothorax javanicus)
(Gymnothorax javanicus)
Giant clam spp. - Giant Clams
(Tridachna spp.)
(Tridachna spp.)
Goldsaddle Goatfish - Goatfish
(Parupeneus cyclostomus)
(Parupeneus cyclostomus)
Honeycomb Rabbitfish - Rabbitfish
(Siganus stellatus)
(Siganus stellatus)
Humpback Unicornfish - Surgeonfish
(Naso brachycentron)
(Naso brachycentron)
Indian Mimic Surgeonfish - Surgeonfish
(Acanthurus tristis)
(Acanthurus tristis)
Jansen's Wrasse - Wrasse
(Thalassoma jansenii)
(Thalassoma jansenii)
Large-eye Pygmygoby - Goby
(Trimma flammeum)
(Trimma flammeum)
Lined Wrasse - Wrasse
(Anampses lineatus)
(Anampses lineatus)
Longfin Bannerfish - Butterflyfish
(Heniochus acuminatus)
(Heniochus acuminatus)
Longspine Cardinalfish - Cardinalfish
(Apogon doryssa)
(Apogon doryssa)
Malayan Chromis - Damselfish
(Pycnochromis flavipectoralis)
(Pycnochromis flavipectoralis)
Maldives Dottyback - Dottyback
(Chlidichthys inornatus)
(Chlidichthys inornatus)
Maldivian Sandperch - Sandperch
(Parapercis signata)
(Parapercis signata)
Maldivian Silty Cardinalfish - Cardinalfish
(Ostorhinchus Kuiter sp 6)
(Ostorhinchus Kuiter sp 6)
McCosker's Flasher - Wrasse
(Paracheilinus mccoskeri)
(Paracheilinus mccoskeri)
Mimic Filefish - Filefish
(Paraluteres prionurus)
(Paraluteres prionurus)
Nagasaki Damsel - Damselfish
(Pomacentrus nagasakiensis)
(Pomacentrus nagasakiensis)
Pale Pygmygoby - Goby
(Trimma anaima)
(Trimma anaima)
Palenose Parrotfish - Parrotfish
(Scarus psittacus)
(Scarus psittacus)
Pearl-streaked Monocle Bream - Coral (Monocle) Bream (Spinecheek)
(Scolopsis xenochrous)
(Scolopsis xenochrous)
Piano Fangblenny - Blenny - Combtooth
(Plagiotremus tapeinosoma)
(Plagiotremus tapeinosoma)
Queen Coris - Wrasse
(Coris formosa)
(Coris formosa)
Redlip Parrotfish - Parrotfish
(Scarus rubroviolaceus)
(Scarus rubroviolaceus)
Redspot Wrasse - Wrasse
(Pseudocoris yamashiroi)
(Pseudocoris yamashiroi)
Sabre Squirrelfish - Squirrelfish
(Sargocentron spiniferum)
(Sargocentron spiniferum)
Samoan Cardinalfish - Cardinalfish
(Nectamia savayensis)
(Nectamia savayensis)
Scaly Chromis - Damselfish
(Azurina lepidolepis)
(Azurina lepidolepis)
Shoulderbar Goby - Goby
(Gnatholepis cauerensis)
(Gnatholepis cauerensis)
Sixbar Wrasse - Wrasse
(Thalassoma hardwicke)
(Thalassoma hardwicke)
Snubnose Grouper - Seabass
(Epinephelus macrospilos)
(Epinephelus macrospilos)
Speckled Sandperch - Sandperch
(Parapercis hexophtalma)
(Parapercis hexophtalma)
Splendid Leopard Wrasse - Wrasse
(Macropharyngodon bipartitus)
(Macropharyngodon bipartitus)
Spotfin Lionfish - Scorpionfish and Lionfish
(Pterois antennata)
(Pterois antennata)
Spottail Dartfish - Dartfish
(Ptereleotris heteroptera)
(Ptereleotris heteroptera)
Spotted Boxfish - Boxfish
(Ostracion meleagris)
(Ostracion meleagris)
Spurcheek Cardinalfish - Cardinalfish
(Pristiapogon fraenatus)
(Pristiapogon fraenatus)
Stareye Parrotfish - Parrotfish
(Calotomus carolinus)
(Calotomus carolinus)
Strawberry Grouper - Seabass
(Cephalopholis spiloparaea)
(Cephalopholis spiloparaea)
Striped Cardinalfish - Cardinalfish
(Ostorhinchus angustatus)
(Ostorhinchus angustatus)
Threadfin Butterflyfish - Butterflyfish
(Chaetodon auriga)
(Chaetodon auriga)
Tiger Cardinalfish - Cardinalfish
(Cheilodipterus macrodon)
(Cheilodipterus macrodon)
Titan Triggerfish - Triggerfish
(Balistoides viridescens)
(Balistoides viridescens)
Topsail Chub/Drummer - Chub (Drummer/Rudderfish)
(Kyphosus cinerascens)
(Kyphosus cinerascens)
Tubelip Wrasse - Wrasse
(Labrichthys unilineatus)
(Labrichthys unilineatus)
Twospot Lizardfish - Lizardfish
(Synodus binotatus)
(Synodus binotatus)
Undulated Moray - Moray
(Gymnothorax undulatus)
(Gymnothorax undulatus)
Wirenet Filefish - Filefish
(Cantherhines pardalis)
(Cantherhines pardalis)
Yellow-mask Angelfish - Angelfish
(Pomacanthus xanthometopon)
(Pomacanthus xanthometopon)
Yelloweye Bristletooth - Surgeonfish
(Ctenochaetus truncatus)
(Ctenochaetus truncatus)
Yellowmask Surgeonfish - Surgeonfish
(Acanthurus mata)
(Acanthurus mata)
Yellowtail Wrasse - Wrasse
(Anampses meleagrides)
(Anampses meleagrides)
Zigzag Wrasse - Wrasse
(Halichoeres scapularis)
(Halichoeres scapularis)