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Scissortail sergeant ( Abudefduf sexfasciatus )
Indo-Pacific sergeant ( Abudefduf vaigiensis )
Crown-of-thorns seastar ( Acanthaster planci )
Eastern wirrah ( Acanthistius ocellatus )
Western wirrah ( Acanthistius serratus )
Western yellowfin bream ( Acanthopagrus morrisoni )
Western blue groper ( Achoerodus gouldii )
Eastern blue groper ( Achoerodus viridis )
Warty prowfish ( Aetapcus maculatus )
Pacific bonefish ( Albula argentea )
Eastern Clown Anemonefish ( Amphiprion percula )
Whitebarred boxfish ( Anoplocapros lenticularis )
Rusty Jobfish ( Aphareus rutilans )
Rock cale ( Aplodactylus lophodon )
Green jobfish ( Aprion virescens )
Firebrick seastar ( Asterodiscides truncatus )
Mado ( Atypichthys strigatus )
Frigate mackerel ( Auxis thazard )
Blue whale ( Balaenoptera musculus )
Coral pigfish ( Bodianus axillaris )
Foxfish ( Bodianus frenchii )
Giant trevally ( Caranx ignobilis )
Silvertip Shark ( Carcharhinus albimarginatus )
Grey Reef Shark ( Carcharhinus amblyrhynchos )
Blacktip Reef Shark ( Carcharhinus melanopterus )
Greynurse shark ( Carcharias taurus )
White shark ( Carcharodon carcharias )
Loggerhead turtle ( Caretta caretta )
Keyhole angelfish ( Centropyge tibicen )
Longspine sea urchin ( Centrostephanus rodgersii )
Western longspine sea urchin ( Centrostephanus tenuispinus )
Western butterflyfish ( Chaetodon assarius )
Threadfin butterflyfish ( Chaetodon auriga )
Klein's butterflyfish ( Chaetodon kleinii )
Blackback butterflyfish ( Chaetodon melannotus )
Meyer's butterflyfish ( Chaetodon meyeri )
Lattice Butterflyfish ( Chaetodon rafflesii )
Doublesaddle butterflyfish ( Chaetodon ulietensis )
Ballina angelfish ( Chaetodontoplus ballinae )
Queensland yellowtail angelfish ( Chaetodontoplus meredithi )
Red morwong ( Cheilodactylus fuscus )
Green turtle ( Chelonia mydas )
Redtail Parrotfish ( Chlorurus japanensis )
Baldchin groper ( Choerodon rubescens )
Blackspot tuskfish ( Choerodon schoenleinii )
Onespot puller ( Chromis hypsilepis )
Yellowback puller ( Chromis nitida )
Sea nettle ( Chrysaora kynthia )
Snapper ( Chrysophrys auratus )
Australian pineapplefish ( Cleidopus gloriamaris )
Comb wrasse ( Coris picta )
Mahi mahi ( Coryphaena hippurus )
Barcheek Trevally ( Craterognathus plagiotaenia )
Saltwater crocodile ( Crocodylus porosus )
Tiger cowrie ( Cypraea tigris )
Dusky morwong ( Dactylophora nigricans )
Purple flying gurnard ( Dactyloptena orientalis )
Common dolphin ( Delphinus delphis )
Southern soft coral ( Dendronephthya australis )
Leatherback turtle ( Dermochelys coriacea )
Cockburn Sound anemone ( Dofleinia armata )
Dugong ( Dugong dugon )
Blue threadfin ( Eleutheronema tetradactylum )
Hawaiian giant herring ( Elops hawaiensis )
Old wife ( Enoplosus armatus )
Goldspotted rockcod ( Epinephelus coioides )
Queensland groper ( Epinephelus lanceolatus )
Potato rockcod ( Epinephelus tukula )
Hawksbill turtle ( Eretmochelys imbricata )
Southern right whale ( Eubalaena australis )
Mosaic leatherjacket ( Eubalichthys mosaicus )
Snakeskin wrasse ( Eupetrichthys angustipes )
Tiger shark ( Galeocerdo cuvier )
Rock blackfish ( Girella elevata )
Luderick ( Girella tricuspidata )
Zebrafish ( Girella zebra )
Pearl perch ( Glaucosoma scapulare )
Red velvetfish ( Gnathanacanthus goetzeei )
Shark mackerel ( Grammatorcynus bicarinatus )
Dogtooth tuna ( Gymnosarda unicolor )
Stout moray ( Gymnothorax eurostus )
Green moray ( Gymnothorax prasinus )
Crested hornshark ( Heterodontus galeatus )
Rainbow cale ( Heteroscarus acroptilus )
Spiny seahorse ( Hippocampus histrix )
White's Seahorse ( Hippocampus whitei )
Seasnakes ( Hydrophiidae spp. )
Yellow-bellied seasnake ( Hydrophis platurus )
Halfbanded seaperch ( Hypoplectrodes maccullochi )
Banded rockcod ( Hyporthodus ergastularius )
Black marlin ( Istiompax indica )
Striped marlin ( Kajikia audax )
Silver drummer ( Kyphosus sydneyanus )
Thornback cowfish ( Lactoria fornasini )
Barramundi ( Lates calcarifer )
Sergeant baker ( Latropiscis purpurissatus )
Pacific ridley turtle ( Lepidochelys olivacea )
Redthroat emperor ( Lethrinus miniatus )
Spangled emperor ( Lethrinus nebulosus )
Ornate emperor ( Lethrinus ornatus )
Tripletail ( Lobotes surinamensis )
Mangrove jack ( Lutjanus argentimaculatus )
Crimson Snapper ( Lutjanus erythropterus )
Golden snapper ( Lutjanus johnii )
Fiveline snapper ( Lutjanus quinquelineatus )
Maori Snapper ( Lutjanus rivulatus )
Moses' snapper ( Lutjanus russellii )
Red emperor ( Lutjanus sebae )
Midnight Snapper ( Macolor macularis )
Estuary perch ( Macquaria colonorum )
Blue marlin ( Makaira nigricans )
Humpback whale ( Megaptera novaeangliae )
Eastern king prawn ( Melicertus plebejus )
Flatback turtle ( Natator depressus )
Footballer sweep ( Neatypus obliquus )
Lemon shark ( Negaprion acutidens )
Grey morwong ( Nemadactylus douglasii )
Blue morwong ( Nemadactylus valenciennesi )
Whiskered prowfish ( Neopataecus waterhousii )
Bluespotted maskray ( Neotrygon australiae )
Red tide ( Noctiluca scintillans )
Crimsonband wrasse ( Notolabrus gymnogenis )
Gloomy octopus ( Octopus tetricus )
Herring cale ( Olisthops cyanomelas )
Southern Maori Wrasse ( Ophthalmolepis lineolatus )
Australian snubfin dolphin ( Orcaella heinsohni )
Killer whale ( Orcinus orca )
Harlequin fish ( Othos dentex )
Common sand crab ( Ovalipes australiensis )
Ornate rocklobster ( Panulirus ornatus )
Spotted grubfish ( Parapercis ramsayi )
Short boarfish ( Parazanclistius hutchinsi )
Giant boarfish ( Paristiopterus labiosus )
White-ear ( Parma microlepis )
Diamondscale goatfish ( Parupeneus ciliatus )
Goldsaddle goatfish ( Parupeneus cyclostomus )
Sidespot goatfish ( Parupeneus pleurostigma )
Blacksaddle goatfish ( Parupeneus spilurus )
Paradise threadfin bream ( Pentapodus paradiseus )
Gillblotch leatherjacket ( Pervagor janthinosoma )
Leafy seadragon ( Phycodurus eques )
Common seadragon ( Phyllopteryx taeniolatus )
Razor clam ( Pinna dolabrata )
Roundface batfish ( Platax teira )
Northern sand flathead ( Platycephalus endrachtensis )
Brown sweetlips ( Plectorhinchus gibbosus )
Oblique-banded Sweetlips ( Plectorhinchus lineatus )
Common Coral Trout ( Plectropomus leopardus )
Branching Coral ( Pocillopora aliciae )
Blueface Angelfish ( Pomacanthus xanthometopon )
Tailor ( Pomatomus saltatrix )
Blue swimmer crab ( Portunus armatus )
Spine-cheek Clownfish ( Premnas biaculeatus )
Australian sawtail ( Prionurus microlepidotus )
Tropical sawshark ( Pristiophorus delicatus )
Goldband snapper ( Pristipomoides multidens )
Freshwater sawfish ( Pristis pristis )
Green sawfish ( Pristis zijsron )
Common lionfish ( Pterois volitans )
Cobia ( Rachycentron canadum )
Spanner crab ( Ranina ranina )
Slender sunfish ( Ranzania laevis )
Eastern rock lobster ( Sagmariasus verreauxi )
Bluebarred parrotfish ( Scarus ghobban )
Spanish mackerel ( Scomberomorus commerson )
Grey mackerel ( Scomberomorus semifasciatus )
Banded sweep ( Scorpis georgiana )
Giant mud crab ( Scylla serrata )
Giant cuttlefish ( Sepia apama )
Yellowtail kingfish ( Seriola lalandi )
King George Whiting ( Sillaginodes punctatus )
Yellowfin whiting ( Sillago schomburgkii )
Australian humpbacked dolphin ( Sousa sahulensis )
Australian angel shark ( Squatina australis )
Coral Sea gregory ( Stegastes gascoynei )
Redspot wrasse ( Stethojulis bandanensis )
Brokenline wrasse ( Stethojulis interrupta )
Eye-stripe triggerfish ( Sufflamen chrysopterum )
Tasman beaked whale ( Tasmacetus shepherdi )
Jansen's wrasse ( Thalassoma jansenii )
Moon wrasse ( Thalassoma lunare )
Green moon wrasse ( Thalassoma lutescens )
Yellowfin tuna ( Thunnus albacares )
Rusty-spotted toadfish ( Torquigener pallimaculatus )
Southern roughy ( Trachichthys australis )
Common dart ( Trachinotus botla )
Whitetip reef shark ( Triaenodon obesus )
Southern fiddler ray ( Trygonorrhina dumerilii )
Eastern fiddler ray ( Trygonorrhina fasciata )
Turrum ( Turrum fulvoguttatum )
Burrunan dolphin ( Tursiops australis )
Bottlenose dolphin ( Tursiops truncatus )
Japanese kelp ( Undaria pinnatifida )
Yellowedge coronation trout ( Variola louti )
Mozambique seabream ( Wattsia mossambica )
Hairtail blenny ( Xiphasia setifer )
Moorish idol ( Zanclus cornutus )
No bones about them, invertebrates don't have a spine. They proudly wear their skeleton on the outside (or stay wobbly and do not have one at all). With your help, Redmap will be tracking the following invertebrates around Australia. Some of these species may be common along your coastline - but have you spotted any that aren't normally found at your local diving, fishing or swimming spots? Redmap is interested in sightings where these invertebrates have ventured away from their usual home range. You can sort this list by region and name.
Acanthaster planci
Disc-shaped, multi-armed, heavily spined starfish. Pale brown to grey green upper surface, deep red tips to very sharp spines.
Length: …
Asterodiscides truncatus
Distinct rounded projections on body surface with purple, red and orange colouration.
Length: Diameter up to 17 cm
Centrostephanus rodgersii
ADULT: Spiky black ball with dark purple/ red spines with iridescent blue/green sheen to spines when looking down the shaft. The spines are…
Centrostephanus tenuispinus
The urchin is slate grey in colour with thinner spines relative to their length than the closely related black urchin.
Length: Diameter …
Chrysaora kynthia
The sea nettle has a dome-shaped bell with eight oral arms and 24 long tentacles. Adults are transparent to translucent. Considered a sever…
Cypraea tigris
A roughly egg-shaped, glossy shell. Upper or dorsal surface white or buff covered with dark brown or blackish barely circular spots.
Len…
Dendronephthya australis
Large (2m high) soft corals, pinky mauve colour. Populations are known to occur in Pt Stephens estuary, but very little is known about the…
Dofleinia armata
One of the largest and most dangerous Australian anemones. About 6 cm high by 4 cm wide. Central slit-like mouth with thick, long tentacles…
Melicertus plebejus
The eastern king prawn has been recorded from from northern reefs in Queensland to Georges Bay in Tasmania. To identify this prawn look for…
Octopus tetricus
This octopus usually inhabits waters off New South Wales, commonly Sydney. You would really have to catch this octopus to easily identify i…
Ovalipes australiensis
The sand crab is readily recognised by the two red oval patches located towards the end of the light grey carapace. As its name suggests, …
Panulirus ornatus
The common name ‘Ornate Spiny Lobster’ is derived from the brightly coloured spiny carapace. Colouration varies between individuals with gr…
Pinna dolabrata
Razorfish are the largest bivalve found in South Australia. They are fan shaped with its tip embedded in sand or mud, and are generally dar…
Pocillopora aliciae
Pocillopora aliciae is at the forefront of the spread of corals down the NSW coast. This branching coral species is distinctive, with a rob…
Portunus armatus
Blue swimmer crabs are generally distinguished by the long spine projecting from each side of the carapace and the fact that their last pai…
Ranina ranina
Rectangular body that tapers towards the rear. Orange to red in colour with small white spots on the carapace. The claws face in towards th…
Sagmariasus verreauxi
This species is more common to New South Wales and is captured regularly in north-eastern regions of Tasmania in small numbers. Some fisher…
Scylla serrata
Carapace colour varies from purple through to deep green or brown, depending on habitat, paler green mottling on the claws, legs and rear s…
Sepia apama
The Australian giant cuttlefish is the largest cuttlefish species in the world reaching a total length of up to 1 m and a weight of 5 kg. M…
