Ushaka izihlahla ezinameva dogfish: umhlali Safe yoLwandle Olumnyama

Ezingqondweni lwethu luqiniswa ngokuqinile ukuzisholo kwazo ukuthi oshaka kukhona izilwane ezidla ezinye eyingozi futhi ababulali isigelekeqe esinonya. Nokho, le ncazelo asisebenzi kwi-dogfish ushaka spiny, elihlala e Sea kanye izivakashi musa ukuhlasela.

Spiny dogfish ushaka kungokwalabo oda katranobraznyh izihlahla ezinameva umndeni (inja) oshaka. It has a endaweni enkulu ukusatshalaliswa olwandle ezahlukene izilwandle, ikakhulukazi oLwandle Olumnyama. Ushaka uyazama ukugwema amanzi afudumele noma okubandayo kakhulu. Ngokuvamile katran agcinwa ka 100-200 amamitha ukujula eduze nogu, ke antante phezulu kuphela ebusuku. Njengomthetho, izinhlanzi ayenzi Ukuthuthwa ukude kakhulu. In autumn iqala katrana ukuthuthela ezindaweni zemibuthano mass horse mackerel futhi anchovy.

Ushaka izihlahla ezinameva dogfish, eyaziwa nangokuthi dogfish izihlahla ezinameva, nomzingeli naphakathi kanye kuphela ushaka Omnyama Sea. Ubukhulu elikhulu ke ihlukile, ubude bayo zokhahlamba kusuka ngamasentimitha angu-70 kuya 125. ndlovu Abaningana impela ezingavamile usayizi ngamamitha amabili. nomzingeli isisindo ovamile 10-12 amakhilogramu. dogfish Spiny has umuzwa evuthiwe zokuhogela ushaka cishe engazizwa ubuhlungu.

Black Sea izihlahla ezinameva dogfish shaka unekhono idatha efanayo zangaphandle, kanye nabanye abameleli iqembu lakhe: umbala ukukhanya on esiswini, emnyama - ngemuva futhi izinhlangothi, libe lincane othini lokuphotha emise umzimba isakhiwo, ikhanda oyindilinga nomlomo inhlendla. Eyingqayizivele uphawu sangaphandle izihlahla ezinameva dogfish kungekho anal fin futhi nictitating iso ulwelwesi - "ngesikhathi yesithathu".

Katran - shark, okungadingi usongo olukhulu ekuphileni kobuntu ogwini Black Sea. Ubungozi kuphela abantu yikhono ukulimaza inhlanzi izihlahla ezinameva-finned. izikali placoid Special, ezihlanganisa isikhumba sikashaka, ezifanayo ukubunjwa emazinyweni amathambo. Ngakho, ushaka isikali siqukethe lesikhumba amapuleti okuyinto Abut komunye nomunye bese bakha phezulu ezicijile. Ushaka has ameva abukhali futhi enobuthi, embozwe slime, kodwa katrana Isihlungu akuyona ebulalayo. Katran kuyinto namazinyo amancane multi-abukhali, okuyinto ishintsha kukho konke ukuphila. Kancane kancane fall out futhi esikhundleni emisha.

Ushaka izihlahla ezinameva dogfish kuyinto umhlaseli ezinkulu yoLwandle Olumnyama. Ukudla main we katrana abasha ezincane gazinga inhlanzi kanye nezimfanzi. Kubantu abadala ukudla okuthandayo - inhlanzi, i-cod, mackerel, futhi squid, ngisho izingwane. Ihlala Isikhathi Esingakanani I katrana isikhathi eside - engu-25. Spiny dogfish ekuzingeleni e amaphakethe ezincane, kulandela aggregations zezinhlanzi.

Ushaka izihlahla ezinameva dogfish - izinhlanzi Viviparous, nabesifazane uzozala mayelana 14 oshaka evelayo bakheké ngokuphelele futhi isilungele abaphilayo ozimele. Isisindo sawo - 40-50 amagremu. Unyaka owodwa akulyata akhule 35 amasentimitha. lokuzala Okugcwele kufinyelelwa eminyakeni 13-17.

Ushaka izihlahla ezinameva dogfish abadobi ngokuvamile idala izinkinga, ukudla izinhlanzi zabo futhi tackles breaking, kodwa izivakashi bengayi kuhlasela. Dogfish kuyinto izinhlanzi ezibalulekile kwezohwebo nokudla ezuzisayo. Inyama, isibindi uqwanga, inhlanzi aqukethe esiningi izinto emzimbeni, lula yokutakula yayo. Inyama yaso kunobuciko emnandi futhi ukuthungwa obucayi, iqukethe mayelana 12% amafutha. isibindi Special zenani elikhulu zomuntu inhlanzi, zazo ukukhiqiza amafutha yezokwelapha has ngamavithamini A no-D