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)

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My Critter Compendium

Arthropods
- Crustaceans (Crabs, Shrimps, Lobsters & Allies
Cnidarians & Ctenophores
Echinoderms
Molluscs
Plants and Algae
Worms
- Platyhelminthes & Acoela (Flatworms & Acoel Flatworms)
- Polychaetes (Bristleworms)
Poriferans and Tunicates
- Tunicates (Sea Squirts)
Bony Fishes
Cartilaginous Fishes
- Elasmobranchs (Sharks & Rays)

Poriferans & Tunicates
(Sponges & Sea Squirts)

PORIFERANS (SPONGES)

TUNICATES (SEA SQUIRTS)

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Poriferans & Tunicates(Sponges & Sea Squirts)

Poriferans & Tunicates
(Sponges & Sea Squirts)