Portuguese man o' war (Physalia physalis). Also known as the Blue Bottle, Blue Bubble and Portuguese Man-of-War. Venomous, capable of producing a very painful and powerful sting. Found throughout the world. Photo taken off Coffs Harbour, NSW, Australia. © Gary Bell / OceanwideImages.com
Portuguese man o' war (Physalia physalis). Also known as the Blue Bottle, Blue Bubble and Portuguese Man-of-War. Venomous, capable of producing a very painful and powerful sting. Found throughout the world. Photo taken off Coffs Harbour, NSW, Australia. © Gary Bell / OceanwideImages.com
Portuguese man o' war (Physalia physalis). Also known as the Blue Bottle, Blue Bubble and Portuguese Man-of-War. Venomous, capable of producing a very painful and powerful sting. Found throughout the world. Photo taken off Coffs Harbour, NSW, Australia. © Gary Bell / OceanwideImages.com
Blubber Jellyfish (Catostylus mosaicus). Also known as Jelly Blubber. Queensland, Australia © Gary Bell / OceanwideImages.com
Lions Mane Jellyfish (Cyanea capillata) with juvenile pelagic Fish sheltering around tentacles. Also known as Hair Jelly and Snotty. Stings cause minor skin burn. Eastern Australia © Gary Bell / OceanwideImages.com
Jellyfish (soon to be described) with juvenile pelagic Fish sheltering around tentacles. Southern Australia © Gary Bell / OceanwideImages.com
Jimble Box Jellyfish or Southern Sea Wasp (Carybdea rastoni). Southern Australia © Gary Bell / OceanwideImages.com
Extremely venomous Box Jellyfish (Chironex fleckeri) in hunting mode. Also known as Sea Wasp. Northern Australia © Gary Bell / OceanwideImages.com
Close detail of extremely venomous Box Jellyfish (Chironex fleckeri) tentacles. Also known as Sea Wasp. Northern Australia © Gary Bell / OceanwideImages.com
Extremely venomous Box Jellyfish (Chironex fleckeri). Also known as Sea Wasp. Northern Australia © Gary Bell / OceanwideImages.com
Blubber Jellyfish (Catostylus mosaicus) with captured Shrimp in stinging tentacles. Also known as Jelly Blubber. Queensland, Australia © Gary Bell / OceanwideImages.com
Blubber Jellyfish (Catostylus mosaicus) with captured Shrimp in stinging tentacles. Also known as Jelly Blubber. Queensland, Australia © Gary Bell / OceanwideImages.com
Juvenile Fish with Jellyfish (Chrysaora southcotti). Southern Australia © Gary Bell / OceanwideImages.com
Extremely venomous Box Jellyfish (Chironex fleckeri) in hunting mode. Also known as Sea Wasp. Northern Australia © Gary Bell / OceanwideImages.com
Jimble Box Jellyfish (Carybdea rastoni). Also known as Sea Wasp. Southern Australia © Gary Bell / OceanwideImages.com
Extremely venomous Box Jellyfish (Chironex fleckeri). Also known as Sea Wasp. Northern Australia © Gary Bell / OceanwideImages.com
Extremely venomous Box Jellyfish (Chironex fleckeri). Also known as Sea Wasp. Northern Australia © Gary Bell / OceanwideImages.com
Jellyfish (Pseudorhiza haeckeli). Southern Australia © Gary Bell / OceanwideImages.com
Upside-down Jellyfish (Cassiopeia andromeda). Unlike other jellyfish that hunt for food, this jellyfish depends on unicellular algae, zooxanthellae, for nutrition. The jellyfish sits upside down so the algae absorbs sunlight. Great Barrier Reef, Australia © Gary Bell / OceanwideImages.com
Box Jellyfish safety swimming net. Swimmers swim in safety within the net enclosure, free of Box Jellyfish which are unable to penetrate the net. Port Douglas, North Queensland, Australia © Gary Bell / OceanwideImages.com
First Aid and dangerous Jellyfish warning sign erected on tropical beach. Port Douglas, North Queensland, Australia © Gary Bell / OceanwideImages.com
Dangerous Jellyfish warning sign erected on tropical beach. Port Douglas, North Queensland, Australia © Gary Bell / OceanwideImages.com
Portuguese Man-of-War (Physalia physalis). Also known as the Blue Bottle, Blue Bubble, Man o'War and Portuguese Man-of-War. Venomous - capable of producing a very painful, powerful sting. Eastern Australia © Gary Bell / OceanwideImages.com
Stinging Hydroid (Aglaophenia cupressina). Also known as Fire Hydroid. Bali, Indonesia. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Hydroid (Gymnangium gracilicaule). Bali, Indonesia © Gary Bell / OceanwideImages.com
Stinging Hydroid (Aglaophenia cupressina). Also known as Fire Hydroid and Fireweed. Bali, Indonesia. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Stinging Hydroid (Macrorhynchia philippina). Also known as Fire Hydroid. Great Barrier Reef, Queensland, Australia © Gary Bell / OceanwideImages.com
Stinging Hydroid (Aglaophenia cupressina). Also known as Fire Hydroid. Bali, Indonesia. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Stinging Hydroid (Possibly: Macrorhynchia sp). Also known as Fire Hydroid. Bali, Indonesia. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Stinging Hydroid (Macrorhynchia philippina). Also known as Fire Hydroid. Great Barrier Reef, Queensland, Australia © Gary Bell / OceanwideImages.com
Hydroid (Gymnangium gracilicaule) amongst Sea Tunicates. Bali, Indonesia © Gary Bell / OceanwideImages.com
Stinging Hydroid (Aglaophenia cupressina). Also known as Fire Hydroid and Fireweed. Found throughout the Indo-West Pacific, including the Great Barrier Reef, Australia © Gary Bell / OceanwideImages.com
Stinging Hydroid (Aglaophenia cupressina). Also known as Fire Hydroid and Fireweed. Found throughout the Indo-West Pacific, including the Great Barrier Reef, Australia © Gary Bell / OceanwideImages.com
Commensal Anemone Shrimp (Thor amboinensis) on Tube Anemone. Bali, Indonesia © Gary Bell / OceanwideImages.com
Mantis Shrimp (possibly: Odontodactylus latirostris). Found throughout the Indo-Pacific. Photo taken off Anilao, Philippines. Within Coral Triangle. © Gary Bell / OceanwideImages.com
Mantis Shrimp (possibly: Odontodactylus latirostris). Found throughout the Indo-Pacific. Photo taken off Anilao, Philippines. Within Coral Triangle. © Gary Bell / OceanwideImages.com
Corallimorpharian (Discosoma cf. rhodostoma). Anatomically like hard coral, but resembles anenome in appearance. Often seen carpeting reef flats and slopes of Indo Pacific. Can inflict a painful sting on humans. Tulamben, Bali, Indonesia. Coral Triangle. © Gary Bell / OceanwideImages.com
Corallimorpharian (Discosoma sp.). Anatomically like hard coral, but resembles anenome in appearance. Often seen carpeting reef flats and slopes throughout the Indo Pacific. Can inflict a painful sting on humans. Anilao, Philippines. Coral Triangle. © Gary Bell / OceanwideImages.com
Crown-of-thorns Starfish (Acanthaster planci) feeding on Acropora Coral. This sea star has sharp venomous spines and wounds from the spines can be very painful. Great Barrier Reef, Queensland, Australia © Gary Bell / OceanwideImages.com
Crown-of-thorns Starfish (Acanthaster planci) feeding on Acropora Coral. This sea star has sharp venomous spines and wounds from the spines can be very painful. Great Barrier Reef, Queensland, Australia © Gary Bell / OceanwideImages.com
Crown-of-thorns Starfish (Acanthaster planci) feeding on Acropora Coral. This sea star has sharp venomous spines and wounds from the spines can be very painful. Great Barrier Reef, Queensland, Australia © Gary Bell / OceanwideImages.com
Crown-of-thorns Starfish (Acanthaster planci) - detail of Sea Star venomous spines. Wounds from the spines can be very painful. Great Barrier Reef, Queensland, Australia © Gary Bell / OceanwideImages.com
Crown-of-thorns Starfish (Acanthaster planci) feeding on Acropora Coral. This sea star has sharp venomous spines and wounds from the spines can be very painful. Great Barrier Reef, Queensland, Australia © Gary Bell / OceanwideImages.com
Crown-of-thorns Starfish (Acanthaster planci) feeding on Acropora Coral. This sea star has sharp venomous spines and wounds from the spines can be very painful. Great Barrier Reef, Queensland, Australia © Gary Bell / OceanwideImages.com
Stinging Anemone (Order: Actiniaria) on Whip Coral. Montague Island, New South Wales, Australia © Gary Bell / OceanwideImages.com
Anemone (Anthothoe albocincta). Jervis Bay, New South Wales, Australia © Gary Bell / OceanwideImages.com
Leopard Sea Cucumber (Bohadschia argus) - with excruded sticky defensive threads called Cuvierian tubules. Great Barrier Reef, Queensland, Australia © Gary Bell / OceanwideImages.com
Bristle Worm (Chloeia sp.). Also known as Fire Worm. Bali, Indonesia © Gary Bell / OceanwideImages.com
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