Deep water fish with Spears
Deep sea hunting is something you have to see to believe - in the video above, an Indonesian hunter swims to a depth of 65 feet, and stays there for just under three minutes. Other dives can send them underwater for up to five minutes. Armed with nothing more than his trunks, a pair of goggles and a spear gun, this hunter scours the seabed for his catch - staying underwater as long as it takes to catch what he needs.
At this depth, Indonesian sea bed hunter Sulbin has an immense amount of pressure above him. Sulbin is a Bajau fisher - a member of an ever decreasing tribe of sea nomads that spend their entire life out at sea. Bajau are born at sea, will live at sea, and will die at sea.
These sea gypsies live in Malaysia and Indonesia. They live on houseboats or in stilt houses off the shores. So much of their time is spent in the water, they often feel landsick when they are on dry land.
Because of the pressure from diving, these divers will intentionally rupture their eardrums at an early age - which essentially makes them partially deaf, a high price to pay for ensuring a good catch. The deep dives even change their eye muscles increasing their underwater eyesight.
The catch varies from area to area - some dive for food, others are after pearls or sea cucumbers. To make their job productive, many of these divers will have to make hundreds of dives a year.
The clip is part of the BBC/Discovery produced "Human Planet". To learn more about the show, and the challenges involved with creating this amazing footage, check out the Human Planet blog.Do you see yourself diving to these depths?
|No way - I feel the pain at the bottom of a kiddie pool!||14339 (74.7%)|
|Yes - I'd like to at least *try* it||4851 (25.3%)|
Tuna isnt tuna2006-07-07 14:48:58 by ikkyu
One for instance is albacore vs chunk light. albacore is a much larger fish than the tuna that provides meat for cans of chunk light tuna. i.e. it's further up on the food chain so ingests and builds up more mercury than the smaller skipjack.
the rule of thumb is the larger the pelagic (deep water fish)the more likely it is to have high mercury concentrations.
mercury will mess with your brain and nerves. the term mad as a hatter came about as a result of insanity being an occupational hazard of hatmakers who, at that time, used mercury in the hatmaking process.
in adults, the effects of mild mercury poisoning are reversable to a large extent
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