Search results
Results From The WOW.Com Content Network
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]
A piranha or piraña (/ p ɪ ˈ r ɑː n j ə ˌ-r æ n /, or / p ɪ ˈ r ɑː n ə /; Portuguese: [piˈɾɐ̃ɲɐ], Spanish:) is any of a number of freshwater fish species in the family Serrasalmidae, [1] or the subfamily Serrasalminae within the tetra family, Characidae [2] in order Characiformes.
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.
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.
Lionfish can tolerate a minimum salinity of 5 ppt (0.5%) and even withstand pulses of fresh water, which means they can also be found in estuaries of freshwater rivers. [59] The lionfish invasion is considered to be one of the most serious recent threats to Caribbean and Florida coral reef ecosystems.
Hydrolycus armatus is a species of dogtooth characin found in freshwater of tropical South America. [2] It is sometimes known as Payara, [1] or harm, [3] [4] [5] a name it shares with the related H. scomberoides. This predatory fish occasionally makes its way into the aquarium trade, but it requires a very large tank.
Here's what to know about some of S.C.'s most dangerous water creatures and their attacks. Bull Sharks have one of the most powerful bites. Known for their stout appearance, the bull shark is more ...
Jeremy then travels to the Itaipu Dam, a hydroelectric dam located on the border between Paraguay and Brazil to come face-to-face with one of South America's greatest freshwater fighting fish that slashes and stalks its prey while living in one of Argentina's most dangerous waterways; the Paraná River.