Shark Katran: mai zaman lafiya mai zaune a cikin Black Sea

A cikin zukatanmu sun tabbatar da cewa sharks na da haɗari masu tsatstsauran ra'ayi da masu kisan gilla. Duk da haka, wannan bayanin ba ya shafi shark katran, wanda ke zaune a cikin Bahar Black kuma bai kai farmaki ba.

Shark katran na da kariya daga sharks. Yana da babban yanki na rarraba a cikin tekuna daban-daban na Tekun Duniya, musamman ma a cikin Black Sea. Shark yayi ƙoƙarin kauce wa ruwan zafi ko ruwan sanyi. Yawancin lokaci ana kare catran a zurfin mita 100-200 da kusa da bakin tekun, sai ya tashi zuwa dare kawai. A matsayinka na mai mulki, kifi ba sa yin hijira mai tsawo. A cikin kaka, hijira na katran a cikin yankunan karkarar doki da magunguna da farawa.

Shark spiny dogfish, kuma aka sani da spiny dogfish, a matsakaici-sized predator da kawai shark na Black Sea. Ba ya bambanta da girmansa, tsawonsa ya bambanta daga 70 zuwa 125 centimeters. Kusan mutane suna da girman mita biyu. Nauyin ma'aunin marin yana da matsakaicin kilo mita dari. Katran yana da ƙanshi sosai, yayin da shark ba ya jin zafi.

Black Sea shark katran yana da bayanai na waje kamar yadda sauran kewayenta: launin launi a kan ciki, launin launi a gefen baya da bangarori, tsarin jiki mai launi mai launin dutse, mai sutura mai dauke da sutura. Wani bambanci na waje na sharks sharhi shi ne rashin raunin zafin jiki da kuma adon ido - "karni na uku".

Katran - shark, wanda ba gagarumar barazana ga rayuwar mutum a kan Black Sea Coast. Abin haɗari kawai ga mutum shine yiwuwar cutar da ƙugin kifaye. Sikakkun ƙananan nau'in nau'i, wanda ya rufe fata na shark, suna kusa da abun da ke ciki zuwa hakora da kasusuwa. Don haka, ma'auni na shark kunshi faranti na fata wanda ke kusa da juna da kuma samar da hanyoyi masu tsayi. Shark yana da tsumburai da ƙwayoyi masu guba, an rufe su da ƙwaƙwalwa, amma guba na katran yana da nisa. Katran yana da ƙananan hakora masu haɗari masu yawa, waɗanda ake sabuntawa a duk rayuwarsu. Suna saki da hankali kuma an maye gurbinsu da sababbin.

Shark katran babban marubuci ne na bakin teku. Babban abinci na matasa katrana ƙananan kifi ne, fry da shrimp. Ga tsofaffi, abincin da aka fi so shi ne herring, cod, jan mackerel, da squids har ma octopuses. Lifespan katrana lokaci mai tsawo - 25 years. Hunts a shark shark a cikin kananan garkunan, bin tara tara.

Shark katran wani kifi ne mai laushi, mata suna samar da sharuddan 14, wanda ya bayyana cikakke sosai kuma yana shirye domin zaman kanta. Sunan su 40-50 grams ne. A shekara guda, sharks suna girma zuwa 35 centimeters. Cikakken ƙwayar ya samu ta wurin shekaru 13-17.

Shark katran sau da yawa yakan haifar da matsala ga masunta, cin abincin su da lalacewa, amma ba ya kai farmaki kan masu hawan hutu. Dogfish ne mai muhimmanci da kasuwanci kifi da kuma m abinci. Nama, hanta da kuma guringuntsi, kifi dauke da manyan yawa na abubuwa da jiki, gudanarwa da ta dawo da. A cikin namansa, wanda yana da dandano mai dadi da daidaitattun hali, yana dauke da kimanin 12% mai. Hanta na kifaye, daga abin da likita yake da shi, yana da bitamin A da D. yana da darajar ta musamman