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photo of baby blowfish
Yellowspotted burrfish using its defense system
Dried Puffer Fish. Porcupine fish have the ability to inflate their body by swallowing water (or air) and become round like a ball. This increase in size (almost double vertically) reduces the range of potential predators to those with much bigger mouths. A second defense mechanism is provided by the sharp spines, which radiate outwards when the fish is inflated.
An underwater image of a Porcupine fish (Diodon hystox) which is a type of puffer fish.  The name comes from their ability to puff their venomous spines up as a defence mechanism, if threatened.  They are also known as Balloonfish.  These fish are known to be very friendly with and curious of scuba divers.  Image taken whilst scuba diving in the Andaman Sea, Thailand.
Blowfish, or Fugu, swimming.
Mbu pufferfish
Blowfish or puffer fish hanging in souvenir shops in Thailand
The blackspotted puffer (Arothron Nigropunctatus)
Cute Puffer Fish Swimming Underwater.
Yellowspotted burrfish using its defense system
Stellate puffer Arothron meleagris at coral reef in the sea
Tropical salt water fish Striped burrfish (Chilomycterus schoepfi)
Pufferfish Blows itself up , after I release it from a fisherman's net
Underwater image of a Porcupine fish (Diodon hystox) which is a type of puffer fish. They are also known as Balloonfish. The name comes from their ability to puff their venomous spines up as a defence mechanism, if threatened.  These fish are known to be very friendly with and curious of scuba divers. It is using a feathered sea star as shelter. Image taken whilst scuba diving at Bida Nok, Phi Phi, Andaman Sea, Thailand.
Pufferfish in the aquarium
Cute puffer fish in a glass tank
titan triggerfish
Starry Puffer Arothron stellatus occurs in the tropical Indo-Pacific from the Red Sea and East Africa eastward through Indonesia to the Tuamotus, northward to southern Japan, southward to Lord Howe Island in a depth range from 3 to 58 m, max. total length 120cm, common length 54cm. \nThe species is relatively uncommon in patch reefs and coral slopes near sandy areas of clear lagoon and seaward reefs. Juveniles occur in sandy and weedy inner reefs, adults on clear lagoons and seaward reefs. \nStarry Puffers are poisonous to eat for humans. \nLembeh Strait, Indonesia \n1°28'56.394 N 125°15'15.588 E at 7m depth
Close-up portrait of longspined porcupinefish, ray-finned fish, swimming in aquarium. It is nocturnal, can inflate its body so that its sharp spines rise when alarmed. Diodon holocanthus
White-spotted puffer (Arothron hispidus) close-up
A pufferfish glides through a vibrant coral reef environment in crystal clear blue waters. Surrounded by swaying sea anemones and colorful marine flora, this charismatic fish is known for its ability to inflate as a defense mechanism. The scene captures the beauty and biodiversity of tropical ocean life, ideal for educational, ecological, or decorative content related to marine ecosystems
Arothron nigropunctatus. Snorkeling and diving, observing exotic fish. Tropical bright pisces that can live in aquariums, oceanariums or sea, ocean.
Carcass of a puffer fish washed up by the tide on a beach in Brazil
Blackspotted Puffer fish is poisonous and puffs up its body like a balloon to avoid being eaten.
Beautiful wild fish (Map Puffer) swimming in the blue sea
aquarium at specialty stores.
Birdbeak Burrfish Cyclichthys orbicularis occurs in tropical waters of the Indo-West Pacific from the Red Sea and East Africa to the Philippines, north to southern Japan, south to Australia and New Caledonia and in the Southeast Atlantic at the south coast of South Africa in a depth range from 9 to 170m, max. length 30cm. \n\nThe nocturnal species inhabits clear protected reefs with sponge and algal habitats, staying often in large sponges during the day. Cyclichthys orbicularis occasionally occurs on reefs, but usually over sand and mud bottoms. \nThe species feeds on hard-shelled invertebrates. \n\nInterestingly, this fish can puff up its body by ingesting water, transforming into a spiny ball as a defense mechanism, which reduces its mobility but deters predators. His chemical defense mechanism is more effective than the swimming away: Tetrodotoxin (TTX) is a potent neurotoxin found in various marine organisms, including Cyclichthys orbicularis. It can be lethal to non-resistant fish species. The estimated lethal dose of TTX in humans is around 2 mg of pure toxin. Even small amounts can cause severe symptoms. \n\nThis specimen was encountered in the Lembeh Strait, North Sulawesi, Indonesia\n1°27'13.104 N 125°14'14.634 E at 13m depth
Beautiful Arothron swims in underwater near ocean bottom. Arothron mappa - a genus of ray-finned fish from the puffer fish family.
Masked Puffer fish - Balloonfish and  Coral, Underwater photo tropical sea,  Table coral, Finger coral,  Red sea  Sea life  Coral garden reef Beauty in nature   bluespotted stingray at background under coral
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