ʻO Amur predator nui. He ʻai makemake ia no ka poʻe aloha i nā ʻano lawaiʻa ikaika. Iʻa ikaika a maalea. Hiki i nā nui i ka lōʻihi a hiki i 2 m, a me ke kaumaha ma kahi o 40 kg. ʻO waho ka papalina melemele, ʻano like me ka iʻa keʻokeʻo nui, akā ʻaʻohe mea pili iā lākou. He ikaika loa ka iʻa, hoʻohālikelike kekahi me ka salmon nui. Hoʻonui kēia i ka hoihoi iā ia ma ke ʻano he "trophy".
I ka hāʻule a me ka hoʻoilo, noho ʻo ia ma ke kahawai ʻo Amur, i ke kauwela komo i loko o nā waihona wai no ka hānai ʻana. ʻO ka nui o kāna meaʻai he iʻa pelagic - ka wasp, chebak, smelt, akā i loko o ka ʻōpū aia kekahi iʻa lalo - crucian carp, minnows. Hoʻololi ia i ka hānai predatory i ke kakahiaka nui, ke hiki i ka lōʻihi ma mua o 3 knm. ʻAi nā ʻōpio i ka palai iʻa. Ulu koke ka yolk.
Kūā
Ma Rūsia, he mea maʻamau ka papalina melemele ma waena a me lalo o ka Amur. Aia ka ʻike e pili ana i ka hopu ʻana i kēia iʻa ma ke komohana ʻākau o Sakhalin. ʻO ka wahi nui o ka noho ʻana ʻo ia ka lua o ka muliwai. Aia ʻo ia i ka hapa nui o ka manawa. I ka hoʻoilo, ʻaʻole ia e hānai, no laila, ʻo ka lawaiʻa nui no nā iʻa papalina melemele e hana ʻia i ke kau mahana. ʻO kahi hiʻohiʻona o ka ʻano papalina melemele ʻo ia ka hele pinepine ʻana i nā wahi liʻiliʻi o ka waihona, kahi e "momona ai".
ʻOhana
Loaʻa nā kāne i ka wā ʻōpio i ka makahiki 6-7 o ke ola me ka lōʻihi o 60-70 cm a me ke kaumaha ma kahi o 5 kg. Hāpai ia ma ka muliwai, i ka wikiwiki wikiwiki, i ka hapa lua o Iune i ka mahana o ka wai o 16-22 ° C. ʻO nā hua he aniani, pelagic, lawe ʻia e ke au, nui loa (ke anawaena o ka hua me ka hiki i ka pūpū ke 6-7 mm), ʻike ʻia, ua kahili ʻia i nā ʻāpana he nui. ʻO ka momona o nā wahine mai 230 tausani a 3,2 miliona mau hua. ʻO 6,8 mm ka lōʻihi o nā prelarvae hou; ʻO ka hoʻololi ʻana i ka pae larval i ka makahiki 8-10 mau lā me ka lōʻihi o 9 mm. Hoʻokumu nā ʻōpala i nā niho horny e kōkua i ka hopu pio ʻana. Hoʻokaʻawale ʻia nā ʻōpio ma ke kahakai o nā kai o ka ʻōnaehana adnexal, kahi e hoʻomaka ikaika ai lākou e hānai i nā ʻōpio o nā ʻano iʻa ʻē aʻe. Loaʻa ka ulu wikiwiki