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Bartenwale

BartenwaleScientific name:
Mysticeti

Natural spread:
global occurrences

the Bartenwalen gives the 300-950 from the palate hanging down horn-plates, that Barten, its name. It is this strongly extended, horny palate-strips, that are ordered in two rows at the side, with frayed inside edges. With the smooth-whales, they can become 4,5 m long, with the furrow-whales up to 1 m.

Bartenwale form tooth-installations already from, but with its birth only during its embryonic-development, they are completely toothless.

Nutrition The food of these 6-32 m long whales consists mainly of small cancers (Krill), partially also from wing-snails and small fishings (Brydewal). To the food, Bartenwale swim through swarms of its loot-animals and take large water-quantities with the animals swimming in it into the mouth, whose ground put with the furrow-whales into many pleats and is strongly expansive. Then, the whales close its jaw and press the water with its mighty tongue through the Barten through, at their frayed insides the food like in a Reuse sticks. The bigger lower jaw includes the edges of the upper jaw.

Krill The Krill consists long cancers (Euphausia superba), that live on shingle-algae (Diatomeen) and occur in large numbers in the antarctic waters between 48° and 62° more southern breadths, of 3-6 cm. Here, cold, oxygen-rich surface-waters hit with mineral-is enough, warmer depth-waters from the tropics together, so that there are ideal prerequisites for the development of plankton. The strongest Krillkonzentration lies in an approximately 600 nautical miles wide strip between the antarctic pack-ice-belt and the 2°-Celsius-Isotherme. In this area, the big Bartenwale were so frequent earlier that the whalers named this area "Whales Larder", the "pantry of the whales."

System Besides the smooth-whales and furrow-whales, also it hears rather "ancient" appearing gray-whale to the Bartenwalen. Remains of the rear-extremities still have with them all as original characteristics, also often against each other movable neck-fuss, two of each other separate outer nose-openings and rudimentary also the nerves and brain-sections of the sense of smell gets.

Whale-catch The 10 types of the Bartenwale have the biggest economic meaning for the human being from all whale-animals. From it, one wins oil, animal-feed, fertilizer and many further products bubble (bacon), the bone and the muscle-meat, the inner organs deliver raw materials for the drug-industry, and the meat is estimated very much many times also as human food. The demand for the "fish-leg" of the Barten was very big earlier, nowadays, however, it went back almost completely through the offer of versatile plastics. Sees Finnwal, gray-whale, Greenland-whale, North-caper, also blue whale, back-whale, southern smooth-whale to whale-catch.

Endangering The Bartenwale belong to that of the extermination at the most strongly threatened whale-brute.

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