Arthropods
Crustaceans (Crabs, Shrimps, Lobsters & Allies
Cnidarians & Ctenophores
Anthozoans (Corals, Anemones & Gorgonians)
Cubozoans (Box Jellies)
Hydrozoans (Hydroids)
Scyphozoans (Jellyfishes)
Ctenophores (Comb Jellies)
Echinoderms
Asteroids (Sea Stars)
Crinoids (Sea Lillies & Feather Stars)
Echinoids (Sea Urchins & Sand Dollars)
Holothuroidea (Sea Cucumbers)
Ophiuroids (Brittle Stars)
Molluscs
Bivalves (Oysters, Mussels & Scallops)
Cephalopods (Squids, Octopuses, Cuttlefishes & Nautiloids)
Opisthobranchs (Seaslugs)
Opisthobranchs (Nudibranchs)
Prosobranchs (Seasnails)
Plants and Algae
Seagrass
Chlorophyta (Green Algae)
Phaeophyta (Brown Algae)
Rhodophyta (Red Algae)
Worms
Platyhelminthes & Acoela (Flatworms & Acoel Flatworms)
Polychaetes (Bristleworms)
Poriferans and Tunicates
Tunicates (Sea Squirts)
Bony Fishes
Antennariidae (Anglerfishes & Frogfishes)
Arripidae (Australian Salmons)
Aploactinidae (Velvetfishes)
Apogonidae (Cardinalfishes)
Aracanidae (Temperate Boxfishes)
Atherinidae (Hardyheads & Silversides)
Berycidae (Alfonsinos)
Blennidae (Blennies)
Callionymidae (Dragonets)
Carangidae (Trevallies)
Chaetodontidae (Butterflyfishes)
Cheilodactylidae (Morwongs)
Clinidae (Weedfishes)
Congridae (Conger Eels)
Cynoglossidae (Tongue Soles)
Dinematichthyidae (Eelpouts & Cusk-eels)
Diodontidae (Porcupinefishes)
Enoplosidae (Old Wives)
Ephippidae (Batfishes)
Fistulariidae (Flutemouths)
Gerreidae (Silverbiddies)
Gobiesocidae (Clingfishes)
Gobiidae (Gobies)
Haemulidae (Grunts)
Hemiramphidae (Halfbeaks)
Kyphosidae (Sea Chubs)
Labridae (Wrasses)
Latidae (Basses)
Leptoscopidae (Sandfishes)
Lutjanidae (Snappers)
Microcanthidae (Stripeys)
Monacanthidae (Filefishes & Leatherjackets)
Monocentridae (Pineapplefishes)
Monodactylidae (Diamondfishes)
Mullidae (Goatfishes)
Muraenidae (Moray Eels)
Nemipteridae (Butterfly Breams)
Neosebastidae (Gurnard Perches)
Odacidae (Cales & Weed Whitings)
Ophichthidae (Snake Eels)
Ostraciidae (Boxfishes)
Paralichthyidae (Sand Flounders)
Pataecidae (Prowfishes)
Pegasidae (Seamoths)
Pempheridae (Bullseyes)
Pentacerotidae (Boarfishes)
Pinguipedidae (Grubfishes)
Platycephalidae (Flatheads)
Plesiopidae (Longfins)
Pleuronectidae (Right-eyed Flounders)
Plotosidae (Eeltail Catfishes)
Pomacentridae (Damselfishes)
Scorpaenidae (Scorpionfishes)
Scorpididae (Sweeps)
Serranidae (Seabass, Groupers & Allies)
Silliginidae (Whitings)
Soleidae (Soles)
Sparidae (Breams)
Sphyraenidae (Barracudas)
Syngnathidae (Seahorses, Pipefishes, Pipehorses & Seadragons)
Terapontidae (Grunters)
Tetraodontidae (Pufferfishes & Toadfishes)
Tetrarogidae (Waspfishes)
Trachichthyidae (Roughies)
Triglidae (Sea Robins)
Tripterygiidae (Threefins)
Veliferidae (Veilfins)
Cartilaginous Fishes
Elasmobranchs (Sharks & Rays)
Menu
My Critter Compendium
Arthropods
Crustaceans (Crabs, Shrimps, Lobsters & Allies
Cnidarians & Ctenophores
Anthozoans (Corals, Anemones & Gorgonians)
Cubozoans (Box Jellies)
Hydrozoans (Hydroids)
Scyphozoans (Jellyfishes)
Ctenophores (Comb Jellies)
Echinoderms
Asteroids (Sea Stars)
Crinoids (Sea Lillies & Feather Stars)
Echinoids (Sea Urchins & Sand Dollars)
Holothuroidea (Sea Cucumbers)
Ophiuroids (Brittle Stars)
Molluscs
Bivalves (Oysters, Mussels & Scallops)
Cephalopods (Squids, Octopuses, Cuttlefishes & Nautiloids)
Opisthobranchs (Seaslugs)
Opisthobranchs (Nudibranchs)
Prosobranchs (Seasnails)
Plants and Algae
Seagrass
Chlorophyta (Green Algae)
Phaeophyta (Brown Algae)
Rhodophyta (Red Algae)
Worms
Platyhelminthes & Acoela (Flatworms & Acoel Flatworms)
Polychaetes (Bristleworms)
Poriferans and Tunicates
Tunicates (Sea Squirts)
Bony Fishes
Antennariidae (Anglerfishes & Frogfishes)
Arripidae (Australian Salmons)
Aploactinidae (Velvetfishes)
Apogonidae (Cardinalfishes)
Aracanidae (Temperate Boxfishes)
Atherinidae (Hardyheads & Silversides)
Berycidae (Alfonsinos)
Blennidae (Blennies)
Callionymidae (Dragonets)
Carangidae (Trevallies)
Chaetodontidae (Butterflyfishes)
Cheilodactylidae (Morwongs)
Clinidae (Weedfishes)
Congridae (Conger Eels)
Cynoglossidae (Tongue Soles)
Dinematichthyidae (Eelpouts & Cusk-eels)
Diodontidae (Porcupinefishes)
Enoplosidae (Old Wives)
Ephippidae (Batfishes)
Fistulariidae (Flutemouths)
Gerreidae (Silverbiddies)
Gobiesocidae (Clingfishes)
Gobiidae (Gobies)
Haemulidae (Grunts)
Hemiramphidae (Halfbeaks)
Kyphosidae (Sea Chubs)
Labridae (Wrasses)
Latidae (Basses)
Leptoscopidae (Sandfishes)
Lutjanidae (Snappers)
Microcanthidae (Stripeys)
Monacanthidae (Filefishes & Leatherjackets)
Monocentridae (Pineapplefishes)
Monodactylidae (Diamondfishes)
Mullidae (Goatfishes)
Muraenidae (Moray Eels)
Nemipteridae (Butterfly Breams)
Neosebastidae (Gurnard Perches)
Odacidae (Cales & Weed Whitings)
Ophichthidae (Snake Eels)
Ostraciidae (Boxfishes)
Paralichthyidae (Sand Flounders)
Pataecidae (Prowfishes)
Pegasidae (Seamoths)
Pempheridae (Bullseyes)
Pentacerotidae (Boarfishes)
Pinguipedidae (Grubfishes)
Platycephalidae (Flatheads)
Plesiopidae (Longfins)
Pleuronectidae (Right-eyed Flounders)
Plotosidae (Eeltail Catfishes)
Pomacentridae (Damselfishes)
Scorpaenidae (Scorpionfishes)
Scorpididae (Sweeps)
Serranidae (Seabass, Groupers & Allies)
Silliginidae (Whitings)
Soleidae (Soles)
Sparidae (Breams)
Sphyraenidae (Barracudas)
Syngnathidae (Seahorses, Pipefishes, Pipehorses & Seadragons)
Terapontidae (Grunters)
Tetraodontidae (Pufferfishes & Toadfishes)
Tetrarogidae (Waspfishes)
Trachichthyidae (Roughies)
Triglidae (Sea Robins)
Tripterygiidae (Threefins)
Veliferidae (Veilfins)
Cartilaginous Fishes
Elasmobranchs (Sharks & Rays)
Holopneustes porosissimus
Notes:
Location:
South Cottesloe Reef, Boy in a Boat Reef,
Tags:
common, red spines, urchin,
