Menschen halten einen riesiegen Rochen fest (Foto: dpa Bildfunk, picture alliance/dpa/Wonders of the Mekong/AP | Chhut Chheana)

Natur

Das ist der größte Süßwasserfisch der Welt!

STAND
AUTOR/IN
Isabel Gebhardt
Isabel Gebhardt (Foto: )

In Kambodscha hat ein Fischer zufällig eine krasse Entdeckung gemacht: Er hat einen riesigen Rochen gefangen.

Das Tier ist fast vier Meter lang und etwa 300 Kilo schwer. Damit ist der Riesen-Süßwasserstechrochen offiziell der größte Süßwasserfisch der Welt.

Schwimmen für die Wissenschaft

Das Forschungsprojekt "Wonders of the Mekong" (Wunder des Mekong) teilte mit, dass das Weibchen am 13. Juni gefangen wurde. Die Wissenschaftler gaben ihr den Namen "Boramy" - das bedeutet Vollmond und wird im Kambodscha auch als Begriff für eine schöne Frau benutzt. Der Rochen wurde mit einem Peilsender ausgestattet und wieder frei gelassen. Jetzt sollen Daten über sein Verhalten gesammelt werden, die dann für die Forschung genutzt werden können.

Letzter Rekord-Halter wurde gegessen!

Damit hat die Geschichte von "Boramy" ein gutes Ende. Bei dem letzten Rekordhalter war das anders. 2005 war ein Riesenwels mit 293 Kilo in Thailand gefangen worden. Er wurde damals getötet und das Fleisch verkauft.

Hier kannst du sehen, wie "Boramy" gefangen und gemessen wird:

ថ្មីៗនេះ ក្រុមការងាររបស់យើង បានទទួលនូវឱកាសដើម្បីបំពាក់ឧបករណ៍តាមដាន acoustic tag លើត្រីបបែលយក្សទឹកសាប ទម្ងន់ 300 គីឡូក្រាម នៅមាត់ទន្លេមេគង្គ ក្នុងប្រទេសកម្ពុជា។ គម្រោងអច្ឆរិយភាពនៃទន្លេមេគង្គ រួមជាមួយរដ្ឋបាលជលផលកម្ពុជា បានបង្កើតបណ្តាញអ្នកនេសាទ ដែលយល់ព្រមរាយការណ៍អំពីការចាប់បានប្រភេទត្រីធំៗ និងជិតផុតពូជ។ ក្រុមការងារគម្រោងអច្ឆរិយភាពនៃទន្លេមេគង្គ និងក្រុមអ្នកវិទ្យាសាស្ត្រ បានទទួលការហៅទូរស័ព្ទចូលពីអ្នកនេសាទ ស្តីអំពីការចាប់បានត្រីបបែលយក្សទឹកសាប ដែលមានទំហំធំជាងលើកមុន ដែលគម្រោងរបស់យើងធ្លាប់បានលែង។ សំណាងល្អ ដែលក្រុមការងាររបស់យើង ក្នុងកិច្ចខិតខំប្រឹងប្រែង ដើម្បីបង្កើតបណ្តាញទទួលសូរស័ព្ទ នៅក្នុងទន្លេមេគង្គ ប្រព្រឹត្តធ្វើឡើងក្នុងពេលជាមួយគ្នា ហើយយើងអាចបំពាក់ឧបករណ៍តាមដាន លើត្រីបបែលយក្ស ដែលបំបែកកំណត់ត្រាធំជាងគេ នៅថ្ងៃទី ១៤ ខែមិថុនា។ នៅពេលដែលត្រីបបែលយក្សនេះ ធ្វើដំណើរឆ្លងកាត់បណ្តាញទទួលសូរស័ព្ទសម្លេងរបស់យើង ដែលមានឧបករណ៍ទទួលសញ្ញាសរុបចំនួន ៣៦ យើងនឹងអាចប្រមូលទិន្នន័យស្តីពីការធ្វើចរាចរផ្លាស់ទី និងអាកប្បកិរិយារបស់វាជាលើកដំបូង។ ទស្សនាវីដេអូខាងក្រោម ដើម្បីមើលសកម្មភាពរបស់ក្រុម! សូមអានបន្ថែមអំពីកិច្ចខិតខំប្រឹងប្រែងដាក់ស្លាកនេះនៅទីនេះ៖ Our team recently got the opportunity to tag a 300-kilo Giant Freshwater Stingray on the banks of the Mekong River in Cambodia. The Wonders of the Mekong project along with the Cambodian Fisheries Administration established a network of fishers who agreed to report catches of giant and endangered fish. WOM staff and scientists got a call that fishers had caught a stingray that was even larger than a previous one we had helped released. Fortunately, our work to establish a network of acoustic receivers in the Mekong River was occurring at the same time, and we were able to fit the record-breaking giant stingray with an acoustic tag on June 14. As the stingray passes our network of 36 receivers, we’ll be able to collect data on its migration and behavior for the first time. Check out the video below to see the team in action! Read more about this tagging effort here: https://www.nationalgeographic.com/animals/article/enormous-stingray-sets-world-record-for-largest-freshwater-fish?loggedin=truePosted by Wonders of the Mekong on Monday, June 20, 2022

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STAND
AUTOR/IN
Isabel Gebhardt
Isabel Gebhardt (Foto: )