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Many Teleosts, for example the Atlantic wolffish, exhibit durophagous behaviour and crush hard prey with their appropriately adapted jaws and teeth. Other fish use of their pharyngeal teeth, with the aid of their protrusible mouth for enabling the grabbing of prey to draw it into their mouth. The pharyngeal jaws found in more derived teleosts ...
Although tetrodotoxin was discovered in these fish, it is found in several other animals (e.g., in blue-ringed octopuses, rough-skinned newts, and moon snails). It is also produced by certain infectious or symbiotic bacteria like Pseudoalteromonas , Pseudomonas , and Vibrio as well as other species found in symbiotic relationships with animals ...
Psychoactive drugs, such as alcohol, caffeine, amphetamine, mescaline, lysergic acid diethylamide (LSD), cannabis, chloral hydrate, theophylline, IBMX and others, have been studied on certain animals. It is believed that plants developed caffeine as a chemical defense against insects. [1]
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Use of the herbal fish poisons has been documented in a number of sources involving catching fish from fresh and sea water. [3] Tribal people historically used various plants for medicinal and food exploitation purposes. [4] Use of fish poisons is a very old practice in the history of humankind.
JEREMY: "This is the biggest fish of my South American fishing career. A river monster as deadly as any beast of folklore." Like always, Jeremy tossed the fish back in the water.
Venomous fish do not necessarily cause poisoning if they are eaten, as the digestive system often destroys the venom. [1] There are at least 1200 species of venomous fish, [2] [3] with catfishes alone possibly contributing 250–625 species to that total. [4] The former number accounts for two-thirds of the venomous vertebrate population. [5]