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A comment on The Obsessive Life of the Fisherman Who Discovered the Loch Ness Monster (2020). Parent comment

Re:The Obsessive Life of the Fisherman Who Discovered the Lo... by pvaldes on Tuesday October 05, 2021 @02:27PM (#28763513)
More like mini dolphins. 90Kg is a respectable weight for a common porpoise. A range of 30-70 Kg is more common

Porpoises are tiny for a cetacean and secretive, don't jump and are not easy to spot in the sea. All you see is a blunt triangle. Would never be confused with a plesiosaur

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Re:The Obsessive Life of the Fisherman Who Discovered the Lo... by dandotway on Tuesday October 05, 2021 @08:10PM (#28767457)
Wikipedia says,

  Porpoises range in size from the vaquita, at 1.4 metres
  (4 feet 7 inches) in length and 54 kilograms (119 pounds)
  in weight, to the Dall's porpoise, at 2.3 m (7 ft 7 in)
  and 220 kg (490 lb).
Doesn't say what is most common, though, so if 30-70 kg is more common, I'll take your word for it.
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Re:The Obsessive Life of the Fisherman Who Discovered the Lo... by pvaldes on Wednesday October 06, 2021 @04:55AM (#28770714)
Dall's porpoise is from the North Pacific. Harbour porpoise is the only porpoise that could enter in the Loch Ness. The Californian porpoise was even smaller.
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