Menene almara game da pike da Sarkin Jamus Frederick II Barbarossa ya yi, wanda aka kama shi da gangan shekaru 267 bayan haka. A cewar majiyoyin da ba a sani ba a halin yanzu, tsawon wannan hulk ya kasance 5,7 m, kuma nauyin ya kasance 140 kg. A daya daga cikin gidajen tarihi na Jamus, an baje kolin kwarangwal na wannan katon kifi tsawon shekaru da dama, amma daga baya aka gano cewa wata fasaha ce ta bogi da 'yan kasuwan gari suka kirkira don jawo hankalin masu yawon bude ido.
Wani labari ya ba da labarin wani katon pike da aka kama a ƙarshen karni na 18 a ɗaya daga cikin tafkunan sarauta a yankin Moscow. Sun sami zoben zinariya a kai tare da saƙo daga Tsar Boris Fedorovich Godunov. Tsohon pike yayi nauyi fiye da 60 kg kuma ya kai tsayin mita 2,5.
Har ila yau, a zamanin Soviet, a cikin wallafe-wallafen ana iya samun rahotannin wani babban pike da aka kama a cikin Arewacin Dvina, wanda nauyinsa ya wuce 60 kg.
Abin takaici, duk abubuwan da ke sama ba su da wata shaida.
Shekara nawa pike zai iya rayuwa
Dangane da bayanan da masana kimiyya suka tabbatar, ya kamata a lura cewa ainihin shekarun pike na iya kaiwa shekaru 30-33. Yawan kifayen kifaye a cikin wannan yanayin yana da kusan kilogiram 40, tare da tsayin 180 cm.
A Intanet, zaku iya samun bayanin cewa matsakaicin shekarun pike a cikin daji bai wuce shekaru bakwai ba, tare da matsakaicin nauyin kilogiram 16. Wannan bayanin ba daidai ba ne kuma yana yaudarar masu karatu. A cikin Amurka, an gudanar da bincike mai zurfi game da iyakar shekarun pike. An ƙirƙiri wata dabara ta musamman na ci gaba don rage kuskuren da za a iya zuwa ƙarami. A sakamakon haka, yana yiwuwa a gano cewa iyakance shekarun pikes na gida da wuya ya wuce shekaru 24. Yaren mutanen Sweden ichthyologists gudanar ya tabbatar da cewa a cikin pikes akwai quite sau da yawa samfurori fiye da shekaru 15 shekaru. Masana kimiyya daga Finland sun gano cewa, a matsayin mai mulkin, pike yana samun nauyin 7-8 kg ta shekaru 12-14.
Gaskiya game da kama giant pikes:
- A cikin 1930, a Rasha, an rubuta gaskiyar kama wani babban pike mai nauyin kilogiram 35 a kan tafkin Ilmen.
- A jihar New York, an kama wani katon pike mai nauyin kilogiram 32 a kogin St. Lawrence.
- A tafkin Ladoga da kuma Dnieper, masunta sun kama pike mai nauyin kilo 20-25. Bugu da ƙari, kama irin wannan babban pike a waɗannan wuraren ba a yi la'akari da wani sabon abu ba.
- A shekara ta 2013, a daya daga cikin tabkuna na Jamhuriyar Tyva, Shugaban Tarayyar Rasha VV Putin ya kama wani pike mai nauyin kilo 21.
Kuma akwai abubuwa da yawa irin waɗannan, tare da haɓaka fasahar sadarwa, adadin su yana ƙaruwa koyaushe.
Yadda za a ƙayyade shekarun pike da aka kama
Akwai hanyoyi da yawa na kimiyya don tantance shekarun pike, amma hanya mafi sauƙi kuma mafi sauri ga matsakaita angler shine duba girman samfurin da aka kama tare da bayanai daga tebur girma na pike. A lokaci guda kuma, ya kamata a yi la'akari da cewa, dangane da yanayin mazaunin da kuma tushen abinci na tafki, girman manyan mutane na iya bambanta sosai.
Zazzagewa: Tsarin Ci gaban Pike
Yawancin lokaci, ichthyologists suna ƙayyade shekarun pike ta zoben shekara-shekara akan ma'auni. Wannan dabara yana da ɗan kama da ƙayyadaddun shekarun bishiyoyi, amma a cikin wannan yanayin ba daidai ba ne kuma yana "aiki" kawai ga mutane masu adalci.
Yana yiwuwa a ƙayyade shekarun pike tare da babban daidaito kawai a cikin yanayin dakin gwaje-gwaje, ta hanyar rarraba kansa da kuma nazarin kashin kunne na kifi.