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A dried, dead, puffed up pufferfish hanging outside a seafood restaurant in central Tokyo

Souvenir of dried spherical puffer fish with needles

The pufferfish's ability to inflate its body is a defense mechanism that helps it avoid predators.

puffer fish close-up on a vintage plate on a white background

Close-Up of Pufferfish in Marine Aquarium

The freshness of a fish at the market stall before being chosen for a healthy meal as a food very rich in beneficial nutrients

A stonefish (Synanceia verrucosa) laying in the gravel in marine aquarium

Canary rockfish, Sebastes pinniger, is a rockfish of the Pacific coast, aquarium, Seward, Alaska

Balloon Fish, or Fugu, on a Fish Farm on Langkawi Island

$Birdbeak Burrfish Cyclichthys orbicularis occurs in tropical waters of the Indo-West Pacific from the Red Sea and East Africa to the Philippines, north to southern Japan, south to Australia and New Caledonia and in the Southeast Atlantic at the south coast of South Africa in a depth range from 9 to 170m, max. length 30cm. \n\nThe nocturnal species inhabits clear protected reefs with sponge and algal habitats, staying often in large sponges during the day. Cyclichthys orbicularis occasionally occurs on reefs, but usually over sand and mud bottoms. \nThe species feeds on hard-shelled invertebrates. \n\nInterestingly, this fish can puff up its body by ingesting water, transforming into a spiny ball as a defense mechanism, which reduces its mobility but deters predators. His chemical defense mechanism is more effective than the swimming away: Tetrodotoxin (TTX) is a potent neurotoxin found in various marine organisms, including Cyclichthys orbicularis. It can be lethal to non-resistant fish species. The estimated lethal dose of TTX in humans is around 2 mg of pure toxin. Even small amounts can cause severe symptoms. \n\nThis specimen was encountered in the Lembeh Strait, North Sulawesi, Indonesia\n1°27'13.104 N 125°14'14.634 E at 13m depth$

Funny scorpionfish deep in the sea water close to the bottom. Animals backgrounds

Colorful Coral Reef Teeming with Exotic Fish. Lively and colorful coral reef in a vibrant underwater world. Diverse array of tropical fish swimming freely in their aquatic environment, creating a mesmerizing scene for nature and animal enthusiasts alike. Lion fish.

Selective focus on eyes and head of puffer fish. (Lagocephalus sceleratus, silver-cheeked toadfish, or Sennin-fugu is an extremely poisonous marine bony fish in the family Tetraodontidae)

Tropical fish between sea anemones in an aquarium from Salzburg city in Austria

The pufferfish's distinctive facial features, including its large eyes and spiny exterior, make it a fascinating subject for observation.

Macro shot of a unique fish species with intricate blue patterns and spiny features, set against a blue background. The fish’s distinct appearance makes it a compelling underwater subject.

Photo of a puffer fish preserved in an aquarium

The Red Urchin, blue-spotted urchin; Fire Urchin or False Fire Urchin, Astropyga radiata, is an urchin, with a test (shell) diameter of about 20 cm. It is found in the Indo-Pacific region. Maui Island, Hawaii

Cyclopterus lumpus, the lumpsucker or lumpfish, is a species of marine fish in the family Cyclopteridae lumpsuckers

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