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Shocking discovery: Electric eels hunt in packs in Amazon rivers -- Science & Technology -- Sott.net

© Youtube
When darkness comes,
electric eels emerge from South American river bottoms to attack their prey with up to 860 volts of electricity enough to kill a person. Now, scientists have revealed the snakelike fish don t always go it alone:
They hunt in packs, similar to wolves, orcas, and some species of tuna. The finding, a first among electric fishes, may open the way for new studies to investigate when social predation evolved among fishes.
I was shocked, says Douglas Bastos, a biologist at the National Institute of Amazonian Research who first saw a group attack in 2012. Usually the eels, which ....

United States , Amazon River , Brazil General , Espíto Santo , Douglas Bastos , William Crampton , National Institute Of Amazonian Research , University Of Central Florida , Smithsonian Institution National Museum Of Natural History , South American , National Institute , Amazonian Research , Biriri River , Xingu River , Carlos David De Santana , Smithsonian Institution , National Museum , Central Florida , ஒன்றுபட்டது மாநிலங்களில் , அமேசான் நதி , பிரேசில் ஜநரல் , டக்ளஸ் பாஸ்டோஸ் , வில்லியம் கிராம்ப்டன் , தேசிய நிறுவனம் ஆஃப் அமேசோனியன் ஆராய்ச்சி , பல்கலைக்கழகம் ஆஃப் மைய புளோரிடா , ஸ்மித்சோனியன் நிறுவனம் தேசிய அருங்காட்சியகம் ஆஃப் இயற்கை வரலாறு ,

Electric eels hunt in packs, shocking prey and scientists

Electric eels, which despite their name are actually a type of knifefish, were believed to be solitary creatures. And yet before Bastos’ eyes were more than 100 of them. Then things got even more jolting. ....

Douglas Bastos , Kory Evans , Rice University , Smithsonian National Museum Of Natural History , Instituto Nacional De Pesquisas , Smithsonian National Museum , Natural History , Biriri River , டக்ளஸ் பாஸ்டோஸ் , கோரி எவன்ஸ் , அரிசி பல்கலைக்கழகம் , ஸ்மித்சோனியன் தேசிய அருங்காட்சியகம் ஆஃப் இயற்கை வரலாறு , ஸ்மித்சோனியன் தேசிய அருங்காட்சியகம் , இயற்கை வரலாறு , ஈரிரி நதி ,

New video reveals electric eels joining forces for a successful fishing trip

As described this week in the online journal Ecology and Evolution, pack hunting might be a common occurrence with land mammals, but this is the first time electric eels have been captured in the wild demonstrating their fatal dose of collective electricity. The species of knifefish observed is notorious for generating the most intense electric shock of any known animal.
Video of Scientists spot electric eels zapping prey in packs
It s really amazing to find a behavior like that with eels that are 2.4, 2.5 meters [around 8 feet] long, said co-author David de Santana, a zoologist at the Smithsonian National Museum of Natural History in Washington, D.C. One individual eel of this species can produce a high-voltage discharge of 860 volts. So, in theory, 10 electric eels can produce 8,600. So that s a lot. It s a really strong discharge, however the duration s really short. ....

United States , Espíto Santo , Smithsonian National Museum Of Natural History , Biriri River , Amazon River Basin , David De Santana , Smithsonian National Museum , Natural History , ஒன்றுபட்டது மாநிலங்களில் , ஸ்மித்சோனியன் தேசிய அருங்காட்சியகம் ஆஃப் இயற்கை வரலாறு , ஈரிரி நதி , அமேசான் நதி பேசின் , டேவிட் டி சாந்தனா , ஸ்மித்சோனியன் தேசிய அருங்காட்சியகம் , இயற்கை வரலாறு ,

A shocking discovery: electric eels hunt in packs

A five-day boat ride up the Iriri River, deep in the Amazon rainforest, there is a small brown lake. At the bottom, hidden in the sludgy mud, are more than 100 electric eels, each up to four feet long ....

Biriri River , ஈரிரி நதி ,

Electric Eels Hunting Together Surprise Scientists

The hunting pack of eels behavior stunned the scientists. This is an extraordinary discovery, de Santana said. Nothing like this has ever been documented in electric eels.
Their discovery reshapes the thoughts that eels are solitary creatures. According to de Santana, only nine fish species hunt in groups, compared with many more mammals who use this technique for hunting.
The type of electric eel the team observed in the Iriri River in the Brazilian state of Pará is called Volta and is capable of producing
860-volt electric shocks.
De Santana broke down what those numbers mean when he explained [.] so in theory if 10 of them discharged at the same time, they could be producing up to ....

Espíto Santo , Smithsonian National Museum Of Natural History , Brazilian Amazon River , Smithsonian National Museum , Natural History , Biriri River , ஸ்மித்சோனியன் தேசிய அருங்காட்சியகம் ஆஃப் இயற்கை வரலாறு , பிரேசிலியன் அமேசான் நதி , ஸ்மித்சோனியன் தேசிய அருங்காட்சியகம் , இயற்கை வரலாறு , ஈரிரி நதி ,