Deepwater Sharks Are Threatened by Demand for Liver Oil
One in seven species of deepwater sharks and rays is threatened with extinction because of the liver oil and meat trade and emerging fishing technologies that make it possible to catch deep-sea fishes.
“The team found that a school of #fish moving together in just the right way was stunningly effective at #noise reduction: A school of seven fish sounded like a single fish.
Interesting fact of the day: The two largest fish known to us are in fact quite different in their maximum observed size.
The whale shark is generally considered the largest and their maximum size in tones is a little over 20 tons.
By comparison the basking shark is the second biggest but its max size only comes in at a little over 5 tones.
That would mean, by weight, the largest fish in the world is at its maximum 4x bigger thant he second biggest.
Interestingly, however, there isnt nearly as much disparity in their maximum length. The Whale Shark maxes out around 18 meters while the Basking Shark is around 14 meters.
I am still terrible at sewing and following patterns, but this afternoon I managed to make a fleece plush shark using the pattern by Wouter Van Wageningen from https://freesewing.org/designs/hi/
Glasgow's Kelvingrove Art Gallery and Museum has many treasures in it, but this is probably the one which most facinated me as a child.
It's a suit of armour from Kiribati in Micronesia. The body covering is made from coconut while the helmet is made from the inflated and then dried skin of a porcupine fish. The sword is lined with shark teeth, creating a highly effective weapon which would both slash and tear at flesh in equal measure.
Possible shark attacks prompt heightened patrols at New York’s Long Island (news.stv.tv)
Two swimmers reported being bitten on the fourth of July holiday, a day after two other people reported attacks.