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Whaling largely targeted the collection of blubber: whalers rendered it into oil in try pots, or later, in vats on factory ships. The oil could serve in the manufacture of soap, leather, and cosmetics. [13] Whale oil was used in candles as wax, and in oil lamps as fuel. A single blue whale can yield a blubber harvest of up to 50 tons. [14]
Tribal people historically used various plants for medicinal and food exploitation purposes. [4] Use of fish poisons is a very old practice in the history of humankind. In 1212 AD, King Frederick II prohibited the use of certain plant piscicides, and by the 15th century, similar laws had been decreed in other European countries, as well. [5]
Of these, "Dolphin fissing" depicts the driving fishing to capture a herd of dolphines. [35] The dolphins caught were used for food as well as for liting oil. [36] According to "Toyu-ki" written by Hezutu Tohsaku in 1786, Ainu people living in Esashi, Hokkaido did not catch whales, but they did catch dolphins, extracted their oil, and used them ...
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Vernicia fordii (usually known as the tung tree (Chinese: 桐, tóng) and also as the tung-oil or tungoil tree , the kalo nut tree, and the China wood-oil tree) is a species of flowering plant in the spurge family Euphorbiaceae. [2] [3] It is native to southern China, Myanmar, and northern Vietnam. [4]
Dolphins captured in fishing nets are usually accidental, but dolphin oil is sought after as a fish lure, and thus fishermen may be motivated to kill caught dolphins. [19] Being nearly blind and relying on echolocation for navigation, river dolphins are also negatively affected by noise pollution from boats.
When cooked, dolphin meat is cut into bite-size cubes and then batter-fried or simmered in a miso sauce with vegetables. Cooked dolphin meat has a flavor very similar to beef liver. [16] Dolphin meat is high in mercury, and may pose a health danger to humans when consumed. [17] Ringed seals were once the main food staple for the Inuit.
Young fisherman with dolphinfish from Santorini, Greece, c. 1600 BCE (Minoan civilization). The mahi-mahi (/ ˌ m ɑː h i ˈ m ɑː h i / MAH-hee-MAH-hee) [3] or common dolphinfish [2] (Coryphaena hippurus) is a surface-dwelling ray-finned fish found in off-shore temperate, tropical, and subtropical waters worldwide.