“It’s very exhausting to think about what’s occurring beneath the water while you take a look at a river – however you’ve billions of fish making these epic migrations, a few of the largest animal migrations on Earth,” stated Dr Zeb Hogan, on the College of Nevada within the US.
The longest migration of any freshwater fish species is that of the dorado catfish, which makes a migration of seven,000 miles (11,000km), from spawning within the foothills of the Andes to feeding within the Amazon estuary and again once more. The silver-gold fish themselves had been unimaginable, stated Hogan: “They get to about 2 metres lengthy.”
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