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Species of puffer fish (the family Tetraodontidae) are the most poisonous in the world, and the second most poisonous vertebrate after the golden dart frog.The active substance, tetrodotoxin, found in the internal organs and sometimes also the skin, paralyzes the diaphragm muscles of human victims, who can die from suffocation.
Synanceia is a genus of ray-finned fish belonging to the subfamily Synanceiinae, the stonefish, which is classified within the family Scorpaenidae, the scorpionfish and relatives. Stonefish are the most venomous fish known; stings can be fatal to humans. [2] [3] They are found in the coastal regions of the Indo-Pacific.
The reef stonefish is the most venomous fish in the world. [8] Its dorsal area is lined with 13 spines, each of which has two venom sacs. [8] The spines are sharp and stiff and have been known to pierce boot soles. [14] Stonefish venom can be fatal at a dose of only 18 mg, which the fish is capable of releasing with only six of its thirteen spines.
It is sometimes called the most venomous fish in the world. There are at least 1,200 species of venomous fish, including: Stonefishes (Synanceia spp.) Lionfishes (Pterois spp.) Scorpionfishes; Toadfishes (Daector and Thalassophryne spp.) [14] Rabbitfishes (Siganus spp.) Goblinfishes (Glyptauchen panduratus and Inimicus spp.) Cockatoo waspfish ...
The most venomous known fish is the reef stonefish. It is an ambush predator which waits camouflaged on the bottom. The beautiful and highly visible lionfish uses venomous barbs around its body as a defence against predators. The stargazer buries itself out of sight. It can deliver electric shocks as well as venom. The stinger of a stingray
Synanceia horrida is, like other stonefishes, regarded as one of the most dangerous venomous fishes. Each fin spine has a fleshy cover at its base where there are two venom-producing glands. When the fish is disturbed, it erects its spines; if the fish is stepped on, the spines act like hypodermic syringes, injecting venom into the wounds.
The hooded pitohui.The neurotoxin homobatrachotoxin on the birds' skin and feathers causes numbness and tingling on contact.. The following is a list of poisonous animals, which are animals that passively deliver toxins (called poison) to their victims upon contact such as through inhalation, absorption through the skin, or after being ingested.
The greater weever (Trachinus draco, Linnaeus 1758) is a benthic and demersal venomous marine fish of the family Trachinidae.The greater weever is widely distributed along the eastern Atlantic coastline from Norway to Morocco, extending to the Mediterranean, Aegean and Black Seas.