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Yellowspotted burrfish using its defense system

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

A cute puffer fish or globefish is swimming underwater. Fish portrait photo, close-up and selective focus.

Close-up view of a White-spotted puffer (Arothron hispidus) arothron meleagris

Blackspotted Puffer fish is poisonous and puffs up its body like a balloon to avoid being eaten.

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

The spot-fin porcupinefish (Diodon hystrix), also known as the spotted porcupinefish, black-spotted porcupinefish or simply porcupinefish, is a member of the family Diodontidae.

Puffer is a small fish that lives in the Pacific and Indian Oceans. This fish can swim tail forward, it has no scales, but at the moment of danger it is able to swell and turn into a prickly ball.

Beautiful Arothron swims in underwater near ocean bottom. Arothron mappa - a genus of ray-finned fish from the puffer fish family.

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.

Close up of a yellow and black puffer fish, facing the camer

School of curious tropical puffer fish swimming along sand covered ocean floor

Blackspotted Puffer fish (Arothron nigropunctatus) or Dog-faced Puffer

A cute little pufferfish floating in the water

$Porcupinefish Diodon hystrix is commonly seen in caves and holes in shallow reefs, like this specimen.\nThis species occurs circumtropical in lagoon and seaward reefs to at least 50m. Juveniles to about 20 cm are pelagic, and adults are benthic. This species lives solitary and nocturnal, feeding on hard shelled invertebrates like sea urchins, gastropods, and hermit crabs.\nDramai Rock, Westpapua, Indonesia \n4°2'33.036 S 134°14'12.858 E at 5m depth$

Stellate puffer Arothron meleagris at coral reef in the sea

The Hawaiian coral reefs are beautiful, they create an eco system like no other, this shot focuses on it's beauty. Taken in Kauai, Hawaii, during the day.

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)

Grey triggerfish (Balistes capriscus) in the aquarium

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