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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.

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

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

Souvenir of dried spherical puffer fish with needles

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.

Single longhorn cowfish (lactoria cornuta) swimming near an sea anemonia plant.

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

Carcass of a puffer fish washed up by the tide on a beach in Brazil

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

$Tubifer Cardinalfish Siphamia tubifer (ex. Siphamia versicolor) occurs in the tropical Indo-West Pacific from the Red Sea south to Madagascar and east through the Maldives, Sri Lanka and India to the Andaman Sea Islands and to Western Australia, north to the Ryukyus andthroughout the Indo-Malayan region to Vanuatu in a depth range from 1 to 100m, usually to 18m depth, max. length 7cm. \nThe species forms small groups with long-spined urchins, but is also found among the spines of Acanthaster planci. Siphamia tubifer feeds on zooplankton and small invertebrates. The specimen encountered in this Blue Spotted Sea Urchin Astropyga radiata is dark brown. Depending on the phase the species can be striped instead.\nBlue Spotted Sea Urchin Astropyga radiata occurs in the tropical Indo-Pacific Ocean from the African coast to Australia and to Hawaii in a depth range from 0 to 60m, usually 10 to 30m, max. test diameter 20cm. \nThe species is often found in lagoons and bays where the substrate is sand, shingle or coral rubble. Sometimes many urchins collect together in one locality in dense aggregations. \nLembeh Strait, North Sulawesi, Indonesia \n1°28'47.814 N 125°15'1.26 E at 23m depth$

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

Purple Sea Urchin Close Up Underwater Southeast Alaska

teeth pike fish. super macro . Photos in the studio

The close-up image of a pufferfish's spines highlights its formidable defense mechanism, designed to deter predators.

Photo of a puffer fish preserved in an aquarium

Dried fish - Diodon holocanthus (Ballon-Igelfisch, Kugelfisch) for sale on the streets of Venice, Italy.

Philippines PG Island - Close-up of underwater creatures

Great lumpfish at the north atlantic. Cyclopterus lumpus

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

Blue perch in baltic sea resting on reef

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