Chechienzi dogfish - spiny dogfish

Kazhinji kana vanhu nezvazvo Sharks, muyeuke pashaya dzavo ngozi uye hukuru makuru. Asi pakati Vamiririri ava vane rehove spiny dogfish, zvisina ngozi kuvanhu. Imhandoi hove?

Description shaki

Pakarepo zvinofanira kucherechedzwa kuti pane mamwe mazita ari ichi mugungwa anogara: "nokotnitsa", "imbwa rehove", "gungwa imbwa", "chipingamupinyi shaki". Ichienzaniswa nedzimwe hama toothed, iye ane muviri saizi diki, kazhinji hapana kupfuura 1.5 metres. Vamiririri ava zvakare cartilaginous. Asi vazhinji kuziva kuziva kuti akaita dogfish. muviri wake anoita elongated, chokurukisa serin'i. Makara mu katrana se "chaiwo": kuchena kana shava nechiedza dumbu. Vamwe vanhu vane mottled pachiuno. The caudal zenze iri simba rakakwana. hove iri rine musiyano - mujinga nomumwe dorsal zenze ane jeko munzwa. Zviya, ichi Ndokusaka dzimwe nguva inonzi "chipingamupinyi shaki". Pazasi musoro ane hombe muchinjikwa-muromo. The muviri wakafukidzwa mafunurwa, sezvinoita dzokurwa nadzo, ndiyo chikamu ichi zvava dzinoparadza hove idzi.

vakakwasharara Dehwe

Kwemakore akawanda katrana Vakaronda kunyanya nokuda pamateko. Scaled ndiro akafukidza muviri wose zvachose, duku, anenge imperceptible yakatesvera panyanga dzacho. Kana tikaswedera pamusoro pomuviri hove noruoko, zvichaita sokuti nyoro kumeso, asi sezvo ukangotanga kurwa pamusoro pachikero, unogona tichirwadziwa zvakaipa. Achinzwa kurwadza kwazvo.

Kana ganda wakaremara katrana, zvichava kupodza nokukurumidza, uye panguva ino, kuunganidza chikero itsva. Sezvo dogfish anogona kukuvadza vehove vakamubata zvinyoronyoro. Kare, kubva ganda rehove akaita Mittens, akanga akaronga kuti ngaakuyire yematanda uye simbi dzinokosha. Uyewo mhizha vaipfeka namaapuroni dzematehwe zvakadaro vazvidzivirire pakukuvara kubasa. Vamwe Mabwe kubatwa nayo.

apo upenyu

Vakawanda vamiririri izvi zvinogona kuwanikwa mumvura kweGungwa Dema. Asi tinogona zvakanaka kutaura kuti izvi ndiko hove muMediterranean, Pacific uye Atlantic mumakungwa. Uyezve, Katrana kushambira ari muGungwa Azov uye ari Kerch Strait. Vamwe vakasangana imbwa iri gungwa Okhotsk uye Gungwa Japan.

shaki upenyu

Ndosaka zvakanga Zvakacherechedzwa kuti Katrana kuramba vanosarudza kugara Sea Black. Izvi zvinhu kwavari vanodzivirirwa nekuti mamwe Sharks kushambira pano hazvizovi nokuda Zvinoumba mvura, kushaya zvokudya, chando. Asi kuchinja kwakadaro upenyu aigona gungwa imbwa. Hove kufara panguva tembiricha 7 - 14 madhigirii, saka zviri kushanda mudunhu sangana. In kudzika mvura anouya mumatsutso kana chitubu, kana kumuka kubva kudzama rehydrogen sulphide. Overwinter hove ari kudzika zana mamita. Kuchengeta zvipfuyo zvavo uye vamwe "mhuri" kuedza kwete kuti vayambuka.

Vane kudya zvakanaka, uye dzimwe nguva havana kumboba hove pamusoro bhiza mackerel pasión uye bakayawu, izvo vachiri pemambure. Dzimwe nguva kunovhima "chiteshi porpoises," asi kwete kazhinji, nokuti Dolphins izvi kwavari zvakadaro krupnovat. Hove kweGungwa reMediterranean maviri makungwa vari mungozi Anosungwa utava kana akadyiwa nembwa gungwa. Uye mune dzimwe nyika kuti kubatwa ari mbavha-katranov kupiwa mubayiro. Asi ikozvino mune North-East Atlantic vakasarudza kurambidza ndibate pamusoro spiny Sharks, sezvo chitarisiko chavo zvakanga mungozi kutsakatika.

kuberekesana mwaka

Dogfish zvingakushamisa, nekuti ayo kurara pakunamata anouya pakuguma hwake, muna 13 - makore 17. Vanhurume vanenge vagadzirira iyo boka richitora mazamu mitambo makore 11. kuberekesana mwaka kunotanga mukupera April vari kudzika 50 - 100 metres. Ya pamuviri katranov kunotora 1.5 2 makore. Fry mudumbu munhukadzi rinowanzova zvidimbu anenge 15. Akanga akaberekerwa vana pakarepo kutanga kuratidza ake dzinodya dzimwe dzinosiya hunhu. Ivo dzinodya pamusoro furaya dzevamwe hove uye kuti shrimp diki zvakafanana.

Ita katran ngozi vanhu

Pakati ungwaru vagari kuenda zvenhema Sharks unopinza spines ari shure kwake muchetura uye anogona kunyange kuuraya. Kutaura zvazviri, minzwa azara chepfu, asi kungotaura akafukidza madzihwa. Asi regai dzikama nokuti kana iwe katran kukuvadza musana wavo, madzihwa ichi, umo kurarama utachiona kupinda ronda uye kuzvimba kunotangira. Kazhinji mavanga. Uyewo dogfish haisi ngozi, kana tikafunga sechinhu chikara. Munhoroondo yose hakuna mhosva vasina kurwiswa katrana pamunhu.