Today, I discovered the arapaima fish.
Arapaima gigas one of the world's largest freshwater fish, normally gowing to about 2 metres (6 feet) in length, although occasionally as long as 4½ metres (15 feet), and weighing in at up to 200 kg (440 lbs). It is native to the Amazon Basin, mainly in Brazil and Peru.
It has flexible armour-plated scales to protect it from other predatory fish like piranhas, and it eats fish, birds, mammals, molluscs, fruits and seeds (basically, anything not can get its mouth around).
It has recently been moving into the Amazon Basin in Bolivia, where it is considered an invasive species by scientists, because it is very territorial and scares off (and oleats) other local fish.
But it has been welcomed by local fishermen, because of its size and ease of capture. Because, although it spends much of its time grazing the bottom of rivers, it is an obligate air-breather, and has to surface noisily every 10-15 minutes to gulp in oxygen to supplement what it gets through its gills. This makes it an easy catch for modern commercial fishermen, and the fish is now regularly found in Bolivian markets and supermarkets.
Known locally as paiche, it is now hunted assiduously by Bolivian fishermen, often into traditional Indigenous regions, where they are not technically allowed to follow, putting them into conflict with Indigenous communities. Today's Indigenous people, though, are not the same as the old native people; they are much more assertive, even aggressive, in pursuing their rights, and they are not willing to roll over and be taken advantage of, like in the old days.
So, a whole new source of conflict arises, as the natural world continues to change, and humans - as always - try to play catch-up.
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