Wokhala ndi nyanja - sawfish

Nsomba macheka (pylori vulgare) wa banja la nsomba cartilaginous superorder skates. Kutchuka iye walandira zikomo maonekedwe ake. Nthawi yathu isanafike anapulumuka mitundu 7 kokha pilorylov: Atlantic, zobiriwira, chabwino, ku Ulaya, Asia, Australia, Chisa. Nsomba ali anaona ngati nsombazi elongated thupi, limene chipsyepsye 2 ndi kutayidwa mbali ndi awiri chipsyepsye triangular kumbuyo. Pali mitundu imene mchira gawo monga merges ndi thupi, ndipo - mbali 2 a chipsyepsye caudal. Chikopa pylori monga nsombazi ndi, placoid yokutidwa ndi mamba. Iwo ali mu mitundu yosiyanasiyana ya osiyanasiyana mithunzi ya maolivi imvi mtundu. Belly - pafupifupi woyera. Zithunzi nsomba, anaona bwanji zabwino mwayi waukulu - athyathyathya ndipo yaitali kumanga-pa ikhale pamphuno mu mawonekedwe a macheka.

Nthawi zambiri sawfish kusokonezedwa ndi imodzi mwa mitundu kwa nsombazo, ndicho pristiophorus. Izi si zoona, ngakhale nsombazo ndipo ndi achibale ogwirizana stingrays. Yotsirizira zili pansi pa makutu, pamene nsombazo ali pa mbali. Komanso, otsetsereka ndi yaikulu mu kukula. Kwenikweni akamafika mamita 4 5 m'litali, koma palinso nthawi mamita asanu. A pristiophorus nsombazi kawirikawiri limakula mamita oposa 1.5. Pa umodzi wa zithunzi anagonjera anaona-nsomba akuonekera mimba yake, kumene pakamwa kutsegula ndi awiri makutu amafanana akulira nkhope.

Sawfish wa ovoviviparous malingaliro nsomba. M'mawu ena, ng'ombe zawo anabadwa kale anapanga, koma mazira leathery chipolopolo. Mkazi akhoza kubereka 20 yomweyo aang'ono. Pa nthawi yomweyo anaona ali m'mimba kwathunthu chobisika khungu pa kubadwa kwa ana, ndi zofewa ndi ikamauma yekha ndi nthawi.

Sawfish anthu nyanja onse kupatula kozizira. malo ake ankakonda - ichi ndi madzi m'mphepete mwa nyanja, nyanja lotsegula, pafupifupi zimachokeradi. Nthawi zambiri amakonda amasangalala osaya, ndi chotero kuti dorsal ake zipsepse kuoneka bwino pamwamba pa madzi. Gombe la Australia, 7 5 mitundu moyo, ndi Ndithu, pylori Australia kale katswiri madzi atsopano a mtsinje, kumene akukhala, osati kusambira mu nyanja. Ambiri, mitundu yonse ya cheza osangalala ngati madzi amchere nyanja ndi brackish ndi madzi oyera mapangidwe. Malo omwe sangathe kupitiliza - ndi madzi oipa zinyalala. Pa migrations nyengo sawfish akhoza bwinobwino kusambira m'mitsinje lalikulu, chimachitika m'chilimwe ndi yophukira.

Izo wakudya mtundu wa skates benthic nyama zonse zopanda mafupa nyama zimene zimakhala mu khungu pansi sludge kapena mchenga. Ndipo ndi kumasula nthaka pansi pilorylu chofunika macheka ake. Ngakhale pali umboni wakuti iye amagwiritsa anaona wake osati monga fosholo. Zimakhala mofulumira kuswa Mwachitsanzo, paketi mullet ndiponso kusangalala awo kumanga mmwamba, ngati lupanga, kumenya pa nyama chomwecho. Ndipo pamene limagwa pylori pansi mwakachetechete adya ake kumeneko.

Aliyense ankaona kuti sawfish si owopsa kwa anthu. Komabe, panali milandu angapo kuukira. Mu Gulf wa Panama olembedwa ngakhale kuphetsa. Ngakhale ngati si kuutsa, kuti si kunyoza ndi sizitsutsana, ndiye zambiri, ndi pamene munthu wina anabwera monga kuyesera kuti athawe. Ndipo anthu amene amakonda kuyenda m'madzi osaya pa nyanja, muyenera kudziwa kuti ndiziwunda ngati kumeneko amasangalala dzuwa. Kukumbukira zimenezi ndipo amayesetsa kuti afike mmodzi wa iwo. Ndipo ngati tikukamba za mavuto munthu kuti, kuipitsa madzi, iwo amachita kuwonongeka kwambiri. Chonde kudziwa kuti mitundu ina ya pilorylov kale pafupi kutha, iwo ali m'gulu pangozi. Ndipo kwa nthawi yotsiriza chiwerengero cha kuwala kwambiri yafupika. anthu ochepa akhoza kudzitama kuti aona nsomba-macheka mu malo achilengedwe izo.