Blubber Jellyfish (Catostylus mosaicus). Also known as Jelly Blubber. Queensland, Australia
Image: 24M1211-04
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
Image: 24M1211-07
Jellyfish (soon to be described) with juvenile pelagic Fish sheltering around tentacles. Southern Australia
Image: 24M1211-08
Jimble Box Jellyfish or Southern Sea Wasp (Carybdea rastoni). Southern Australia
Image: 24M1211-10
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
Image: 24M1211-13
Extremely venomous Box Jellyfish (Chironex fleckeri) in hunting mode. Also known as Sea Wasp. Northern Australia
Image: 24M1211-14
Close detail of extremely venomous Box Jellyfish (Chironex fleckeri) tentacles. Also known as Sea Wasp. Northern Australia
Image: 24M1211-16
Extremely venomous Box Jellyfish (Chironex fleckeri). Also known as Sea Wasp. Northern Australia
Image: 24M1211-18
Blubber Jellyfish (Catostylus mosaicus) with captured Shrimp in stinging tentacles. Also known as Jelly Blubber. Queensland, Australia
Image: 24M1211-20
Blubber Jellyfish (Catostylus mosaicus) with captured Shrimp in stinging tentacles. Also known as Jelly Blubber. Queensland, Australia
Image: 24M1211-22
Juvenile Fish with Jellyfish (Chrysaora sp.). Southern Australia
Image: 24M1211-23
Extremely venomous Box Jellyfish (Chironex fleckeri) in hunting mode. Also known as Sea Wasp. Northern Australia
Image: 24M1211-24
Jimble Box Jellyfish (Carybdea rastoni). Also known as Sea Wasp. Southern Australia
Image: 24M1211-27
Extremely venomous Box Jellyfish (Chironex fleckeri). Also known as Sea Wasp. Northern Australia
Image: 24M1211-28
Extremely venomous Box Jellyfish (Chironex fleckeri). Also known as Sea Wasp. Northern Australia
Image: 24M1211-33
Jellyfish (Pseudorhiza haeckeli). Southern Australia
Image: 24M1211-36
Upside-down Jellyfish (Cassiopea sp.). North Queensland Australia
Image: 24M1211-46
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
Image: 24M1225-01
Stinging Hydroid (Aglaophenia cupressina). Also known as Fire Hydroid. Bali, Indonesia
Image: 24M1225-02
Hydroid (Gymnangium gracilicaule). Bali, Indonesia
Image: 24M1225-03
Stinging Hydroid (Aglaophenia cupressina). Also known as Fire Hydroid and Fireweed. Bali, Indonesia
Image: 24M1225-07
Stinging Hydroid (Macrorhynchia philippina). Also known as Fire Hydroid. Great Barrier Reef, Queensland, Australia
Image: 24M1225-08
Stinging Hydroid (Aglaophenia cupressina). Also known as Fire Hydroid. Bali, Indonesia
Image: 24M1225-09
Stinging Hydroid (Possibly: Macrorhynchia sp). Also known as Fire Hydroid. Bali, Indonesia
Image: 24M1225-10
Stinging Hydroid (Macrorhynchia philippina). Also known as Fire Hydroid. Great Barrier Reef, Queensland, Australia
Image: 24M1225-11
Hydroid (Gymnangium gracilicaule) amongst Sea Tunicates. Bali, Indonesia
Image: 24M1225-13
Stinging Hydroid (Aglaophenia cupressina). Also known as Fire Hydroid and Fireweed. Found throughout the Indo-West Pacific, including the Great Barrier Reef, Australia
Image: 24M1225-14
Stinging Hydroid (Aglaophenia cupressina). Also known as Fire Hydroid and Fireweed. Found throughout the Indo-West Pacific, including the Great Barrier Reef, Australia
Image: 24M1222-13
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
Image: 24M1222-14
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
Image: 24M1222-15
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
Image: 24M1222-17
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
Image: 24M1222-41
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
Image: 24M1222-43
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
Image: 24M1235-02
Stinging Anemone (Order: Actiniaria) on Whip Coral. Montague Island, New South Wales, Australia
Image: 24M1235-03
Anemone (Anthothoe albocincta). Jervis Bay, New South Wales, Australia
Image: 24M1235-08
Detail of grape-like vesicles of a Sea Anemone (Actineria sp.). Bali, Indonesia
Image: 24M1240-01
Leopard Sea Cucumber (Bohadschia argus) - with excruded sticky defensive threads called Cuvierian tubules. Great Barrier Reef, Queensland, Australia
Image: 24M0466-34
Commensal Anemone Shrimp (Thor amboinensis) on Tube Anemone. Bali, Indonesia
Image: 24M1066-48
Demon Stinger Scorpionfish (Inimicus didactylus). Also known as Devilfish and Demon Stinger. This fish has venomous spines and can inflict painful stings. Found throughout the Indo-Pacific. Photo taken at Lembeh Strait, Sulawesi, Indonesia
Image: 24M1066-49
Demon Stinger Scorpionfish (Inimicus didactylus). Also known as Devilfish and Demon Stinger. This fish has venomous spines and can inflict painful stings. Found throughout the Indo-Pacific. Photo taken at Tulamben, Bali, Indonesia
Image: 24M1211-42
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
Image: 24M1211-43
First Aid and dangerous Jellyfish warning sign erected on tropical beach. Port Douglas, North Queensland, Australia
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Dangerous Jellyfish warning sign erected on tropical beach. Port Douglas, North Queensland, Australia
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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
Image: 24M1230-09
Bristle Worm (Chloeia sp.). Also known as Fire Worm. Bali, Indonesia
Image: 24M1250-01
Sea Urchin (Possibly: Astropyga radiata). Bali, Indonesia
Image: 24M1250-02
Sea Urchin (Diadema palmeri). Solitary Islands, New South Wales, Australia