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Habitats

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Species from the Living coral (outer reef) zone at Heron Island:
Yellow Mesh Star
Nardoa novaecaledoniae
Yellow Mesh Star
Abbie Taylor
Headshield Slug
Philinopsis pilsbryi
Headshield Slug
Alice Carpenter
Red-throated Ascidian
Herdmania momus
Red-throated Ascidian
Alyssa Budd
Red-eyed Rock Crab
Eriphia sebana
Red-eyed Rock Crab
Andrew Taylor
Small Giant Clam
Tridacna maxima
Small Giant Clam
Boris Laffineur
Eastern King Prawn
Penaeus (melicertus) plebejus
Eastern King Prawn
Cameron Cotterell
Tiger Cowry
Cypraea tigris
Tiger Cowry
Chantelle Reid
Christmas Tree Worm
Spirobranchus giganteus
Christmas Tree Worm
Christopher De Martini
Pacific Toothed Oyster
Isognomon isognomon
Pacific Toothed Oyster
Chun Ng
Star Ascidian
Botryllus schlosseri
Star Ascidian
Dylan Moffitt
Pincushion Seastar
Culcita novaeguineae
Pincushion Seastar
Emily Searle
Topshell
Trochus niloticus
Topshell
Emily Smith
Lacy Tubeworm
Filograna implexa
Lacy Tubeworm
Emma Blacklock
Black-tailed Sea Hare
Aplysia dactylomela
Black-tailed Sea Hare
Gillian Lawrence
Scale Worm
Gastrolepidia clavigera
Scale Worm
Hei Wa Ho
Sap-sucking Sea Slug
Plakobranchus ocellatus
Sap-sucking Sea Slug
Hong Wen Low
Snowflake Snapping Shrimp
Alpheus strenuus
Snowflake Snapping Shrimp
James Dobson
Spider Conch
Lambis lambis
Spider Conch
Jarrad Oxley
Herman
Stichopus hermanni
Herman's Sea Cucumber
Katherine Brodar
Scaley Turban
Turbo perspeciosus
Scaley Turban
Kirsten Lenske
Gold Ring Cowry
Cypraea annulus
Gold Ring Cowry
Lauren Hughes
Ass
Haliotis asinina
Ass's Ear Abalone
Matthew Hoskin
Black-lipped Pearl Oyster
Pinctada margaritifera
Black-lipped Pearl Oyster
Megan Van Dyk
Yellow-daubed Gymnodoris
Gymnodoris sp.
Yellow-daubed Gymnodoris
Minami Kawasaki
Edible Sea Cucumber
Holothuria edulis
Edible Sea Cucumber
Mischa Turschwell
Impatient Sea Cucumber
Holothuria impatiens
Impatient Sea Cucumber
Olivia Degn
Strawberry Stromb
Strombus luhuanus
Strawberry Stromb
Patrick Horgan
Greenfish
Stichopus chloronotus
Greenfish
Rachel Hengst
Yellow Pot Sponge
Rhabdastrella globostellata
Yellow Pot Sponge
Rebecca Fieth
Fushsia Flatworm
Pseudoceros ferrugineus
Fushsia Flatworm
Ronan Lynch
Flexible Chiton
Cryptoplax larvaeformis
Flexible Chiton
Samantha Oliver
Dotted Nudibranch
Jorunna funebris
Dotted Nudibranch
Sean Maxwell
Watson
Gomophia watsoni
Watson's Seastar
Shan Marshall
Painted Slug
Thuridilla bayeri
Painted Slug
Sirada Oratanachai
Black Sea Cucumber
Holothuria leucopsilota
Black Sea Cucumber
Tanya Pernase
Blue Sea Star
Linckia laevigata
Blue Sea Star
Wing Yan Yuen
Elephant Slug
Scutus antipodes
Elephant Slug
Zachary O'Leary
Payten
Codakia paytenorum
Payten's Coadakia
Zhi Long Delwyn Goh
Mantis Shrimp
Gonodactylus chiragra
Mantis Shrimp
Zoe Reynolds
Finger Coral
Montipora digitata
Finger Coral
Alexandra Nissen
Hood coral
Stylophora pistillata
Hood coral
Alexandria Coughlan
Eroded Cowry
Erosria erosa
Eroded Cowry
Bartholomew Woodham
Common Mushroom Coral
Fungia fungites
Common Mushroom Coral
Benjamin Murphy

Turbellaria (within lobster)

Brandon Meteyard
Flatworm
Pseudoceros prudhoei
Flatworm
Carolina Del Lama Marques
Peanutfish
Stichopus horrens
Peanutfish
Chantelle Morrison
Hermit Crab
Calibanarius corallinus
Hermit Crab
Chi Wai Lau
Tropical Spiny Rock Lobster
Panulirus ornatus
Tropical Spiny Rock Lobster
Conor Rath
Luzon Seastar
Echinaster luzonicus
Luzon Seastar
Ellen Jackson
Lollyfish
Holothuria atra
Lollyfish
Emily Purton

Ophioplocus imbricatus

Emma Ceccato
?Sea squirt
Ascidia glabra
?Sea squirt
Emmanuelle Zoccola
Purple spot mantis shrimp
Gonodactylus smithii
Purple spot mantis shrimp
Gustavo Moreira Alves
Organ-Pipe Coral
Tubipora musica
Organ-Pipe Coral
Helena Soares Barros De Oliveira
Wedge Sea Hare
Dolabella auricularia
Wedge Sea Hare
Jacinta Kong
Burrowing urchin
Echinometra mathaei
Burrowing urchin
Jake Horton

Scintilla sp.

Lauren Bailey
Tigertail Sea Cucumber
Holothuria hilla
Tigertail Sea Cucumber
Lay Jia Lee

Haliclona sp.

Katherine Brodar

Cypraea (Erronea) xanthodon

Matthew Schmidt
Hump Coral
Porites densa
Hump Coral
Mikhaila Robertson
Turtle-weed crab
Caphyra rotundifrons
Turtle-weed crab
Philippa Jenkins

Myzostoma sp.

Samantha Eady
Benthic ctenophore
Coeloplana agniae
Benthic ctenophore
Sara Guillouzouic
Red Feather Star
Alloeocomatella pectinifera
Red Feather Star
Shuting Jin
Sand dollar
Jacksonaster depressum
Sand dollar
Soranot Chotnipat

Platydoris scabra

Tahsha Say
Black long-spined sea urchin
Diadema savignyl
Black long-spined sea urchin
Tessa Jones
Leach
Botryllus leachi
Leach's Sea Daisy
Ying Ying Chia
Philippine mantis shrimp
Gonodactylus falcatus
Philippine mantis shrimp
Yolana Kailichova
White-spotted Hermit Crab
Dardanus megistos
White-spotted Hermit Crab
Storm Martin
Sea mat Anemone
Palythoa caesia
Sea mat Anemone
Ka Hei Charlotte Chan

Loxosomatidae

Remy Jacquot Ouellet
Sticky Anemone
Cryptodendrum adhaesivum
Sticky Anemone
Guen Ho
Ridged Sponge Crab
Stimdromia lateralis
Ridged Sponge Crab
Cherie Chan
Sea Squirt
Trididemnum sp.
Sea Squirt
Georgina Walker
Button Polyp Anemone
Protopalythoa sp.
Button Polyp Anemone
Kirsten Schmidt

Reteporella graeffei

Bridget Bradshaw
Bubble-tip Anemone
Entacmaea quadricolor
Bubble-tip Anemone
Nicola Wood
Sheep
Haliotis ovina
Sheep's ear abalone
Tim Vance
Colonial Sea Squirt
Ecteinascidia diaphanis
Colonial Sea Squirt
Victoria Dewar-Fowler
Rosy nudibranch
Marianina rosea
Rosy nudibranch
Elisha Simpson
Ashy Pink Sea Cucumber
Holothuria fuscocinerea
Ashy Pink Sea Cucumber
Ka Yau Chi
Milk Spot Cowrie
Lyncina vitellus
Milk Spot Cowrie
Chelsea Waters
Hoof-Clawed Reef Crab
Phymodius ungulatus
Hoof-Clawed Reef Crab
Joshua Gaschk
Hairy Tank Crab
Actaeodes tomentosus
Hairy Tank Crab
Xena Brooks
Pacific Star Tunicate
Botryllus tuberatus
Pacific Star Tunicate
Adeline Ang
Black Nudibranch
Dendrodoris nigra
Black Nudibranch
Elsie-Mary Felix
Alexanders Sea Urchin
Temnopleurus alexandri
Alexanders Sea Urchin
Monique Parisi
Floral egg crab, Shawl crab
Atergatis floridus
Floral egg crab, Shawl crab
Takuhiro Yamada
Muddy Shore Anemone
Boloceroides mcmurrichi
Muddy Shore Anemone
Sydnei Cartwright
Order Leptothecata
Kirchenpaueria spp
Order Leptothecata
Anjali Rangnekar

Phascolosoma nigrescens

Rodrigo Zorrilla Glz

Euphausia recurva

Shane Ovington
Entoprocta
Pedicellinidae
Entoprocta
Maria Russo Mafra Machado
Collector Urchin
Tripneustes gratilla
Collector Urchin
Stephanie Lyon
dark blue sponge
Niphites sp.
dark blue sponge
Nicholas Holz
Spaghetti worm
Loimia medusa
Spaghetti worm
John McLaughlin
Fire Worm
Eurythoe laevisetis
Fire Worm
Catherine Russo
Guam hermit
Calcinus guamensis
Guam hermit
Monica Pelcar
Spider crab, Decorator crab
Menaethius monoceros
Spider crab, Decorator crab
Chi Chiu Lo
Decorator crab
Hyastenus sp.
Decorator crab
Artur Piedade Palau
Shark
Pinctada albina
Shark's Bay Shell
Nicholai Cushing
Honeycomb Coral
Favia sp.
Honeycomb Coral
Thiago Fiuza
serpent
Cypraea caputserpentis
serpent's head cowrie
Shun Wong
Black Featherstar
Cenolia glebosus
Black Featherstar
Sophie Horsfall
Peanut Worm
Aspidosiphon muelleri
Peanut Worm
Harriet Goodrich
Flowerpot coral
Alveopora sp.
Flowerpot coral
Taylah Bruce
Hairy Red Hermit Crab
Dardanus Lagopodes
Hairy Red Hermit Crab
Shaw Kwok

Metandrocarpa manina

Maria Mahon

Syllis prolifera

Genevieve Panter
Skeleton shrimp
Caprella californica
Skeleton shrimp
Jessie Hildebrand
Bristle worm/Blood worm/Eunicid worm
Eunice sp.
Bristle worm/Blood worm/Eunicid worm
Lei Ren
Strigose Stomatella
Stomatella Impertusa
Strigose Stomatella
Isabella Doohan

Cypraea (Purpuradusta) gracilis

Viveca Lim
Three-lined Pectenodoris
Pectenodoris trilineata
Three-lined Pectenodoris
Mizuki Uemura
Red Liomera
Liomera rubra
Red Liomera
Ian Morrison
Walking sponge
Tethya sp.
Walking sponge
Billie Star
Sea Swallow
Glaucus
Sea Swallow
Samantha Smith

Chlorodiella nigra

Paul Gibson

Ceratosoma trilobatum

Shannon McGrellis

Sansibia spp.

Megan Skelton
Green terebellida
Loimia sp.
Green terebellida
Renato Von Glehn Paes
Brown Bryozoan
Bugula neritina
Brown Bryozoan
Leslie Braberry
Spotted Starfish
Pentaceraster regulus
Spotted Starfish
Luke Dekkers
Glass Anemone
Aiptasia pulchella
Glass Anemone
Tessa Derkley
Marbled shrimp
Saron marmoratus
Marbled shrimp
Madeleine Glacken
Ostracod
Neonesidea sp.
Ostracod
Karen Hutchings
Bristle Worm
Linopherus sp.
Bristle Worm
Leo Chiu-Leung

Typosyllis sp.

Samantha Kacin
Gammarus Shrimp
Gammarus sp.
Gammarus Shrimp
Sailoto Liveti
Ribbon worm
Lineus spp.
Ribbon worm
Alexander Archibald-Binge
Green Sea Urchin
Salmacis sphaeroides
Green Sea Urchin
Dale Mullin
Sea Squirt
Cystodytes dellachiajei
Sea Squirt
Isabel Manfield

Pilodius pugil

Sebastian Lopez Marcano

Gastrochaena cuneiformis

Yazmin Stemp Yacoubi

Mycale (Arenochalina) mirabilis

Weili Chan

Cirolana erodiae

William Arnold

Aplidium sp.

Chloe Jayakody
Purple-speckled Nudibranch
Hypselodoris maculosa
Purple-speckled Nudibranch
Martin Anfosso
Club-tipped Anemone
Telmatactis sp.
Club-tipped Anemone
Mia Gustavsson
Yellow-footed Hermit Crab
Clibanarius virescens
Yellow-footed Hermit Crab
Rebecca Everett
Banded Brittle Star
Ophiolepis superba (H.L. Clark, 1915)
Banded Brittle Star
Angela Upton
Colt Coral
Cladiella cf. Ramosa OTU 5293
Colt Coral
Jenna Lindberg

O: Prolecithophora

Taylah Gerloff
Mushroom Coral
Discosoma sp.
Mushroom Coral
Eleni Notaras

Aquilonastra doranae

Pauline Corstiana Roos
Juvenile
Haliclona Gellius
Juvenile
Olivia Hannah Hewitt
Common Ear Shell or Variable Abalone
Haliotis varia
Common Ear Shell or Variable Abalone
Erin Jane Watson
(Sabellidae) feather duster worm
Bispira sp.
(Sabellidae) feather duster worm
Lambertus Jan Nakatsu Koster

Micromussa lordhowensis

Ella Yeates Lejeune
Scaleworm
Lepidonotus sp.
Scaleworm
Aishah Tul-Firdaus Abdul Khalid

Living coral (outer reef) zone

Minimize

Around Heron Island, the inner and outer reef flat zone merge together. Moving from the inner or sandy zone to the outer or living coral zone there is an increase in coral cover with the sandy area often forming channels and pools between the large coral colonies. The outer reef flat zone merges with the boulder zone at the reef edge, which includes the rubble crest. Many sessile animals can be observed encrusting the inner, dead regions of branching coral stands and on the under side of rubble plates. A diversity of gastropods and crabs can be observed in this region, particularly at night.



The outer reef flat. Photos by Sandie Degnan.