Mazauni na teku - sawfish

Kifi-saw (pylori vulgare) nasa ne a gidan na cartilaginous kifi superorder skates. The daraja ta ya samu godiya ta zuwa ga bayyanar. Kafin mu lokaci tsira kawai 7 jinsunan pilorylov: Atlantic, kore, lafiya, Turai, Asiya, Australian, tsefe. Kifi yana da wani sawa-kamar shark elongated jiki, a kan wanda filafilin kifi 2 da aka zubar a kowane gefe da kuma biyu triangular filafilin kifi a baya. Akwai nau'in a wadda wutsiya rabo kamar yadda Yanã shigar da jiki, da kuma shi ne - ya kasu kashi 2 sassa na caudal filafilin kifi. Fata pylori matsayin shark, placoid rufe da ɓamɓaroki. Yana yana a cikin jinsuna daban na sãɓãwar launukansa tabarau na zaitun-m launi. Belly - kusan fararen. Pictures of kifi, ga mai kyau show ta Babban amfani - lebur da kuma dogon ginawa-up a kan hancinsa a cikin wani nau'i na sawa.

Popular sau da yawa sawfish rikita batun tare da daya daga cikin jinsunan sharks, wato pristiophorus. Wannan ba gaskiya ba ne, ko da yake sharks da kuma ne mafi kusa zumunta na stingrays. A karshen suna located a kasa daga cikin gills, yayin da kifayen teku ne a kan sãsanninku. Bugu da kari, a gangaren ne ya fi girma a cikin size. M da suka isa 4 zuwa 5 mita a tsawon, amma akwai kuma misalin bakwai mita. A pristiophorus shark wuya tsiro fiye da mita 1.5. A daya daga cikin hotunan sallama zuwa ga sawa-kifi a fili gani ta ciki, inda bakin bude da kuma biyu daga gills kama tearful fuska.

Sawfish nasa ne da ovoviviparous kifi hankali. A wasu kalmomin, da maraƙi haife riga ya kafa, amma leathery harsashi qwai. The mace zai iya bayar da haihuwa zuwa 20 nan da nan toddlers. A lokaci guda sun gan a cikin mahaifa ne gaba daya boye fata a haihuwa, shi ne m kuma ta taurare kawai tare da lokaci.

Sawfish zauna duk tekuna, fãce Arctic. Ta fi so wuri - wannan shi ne jihar bakin teku ruwa a cikin bude teku, shi kusan ba ya faruwa. Popular sau da yawa ya likes bask a cikin shallows, da kuma a kan wannan cewa ta dorsal fins fili bayyane sama da ruwa. Kashe bakin tekun na Australia, daga 7 5 nau'in rayuwa, kuma lalle ne, haƙĩƙa, da Ostiraliya pylori ya dade ƙware da sabo gaɓar kogin, inda ya na zaune, ba iyo daga cikin teku. A general, duk wani nau'i na haskoki bunƙasa, a cikin m teku ruwa da kuma ruwan zartsi, kuma ruwa tare yanayin. The kawai wuri inda ba za su iya rayuwa - shi ne ruwa gurbata sharar gida. A lokacin yanayi na hijira sawfish iya amince iyo a cikin manyan koguna, shi ya faru a lokacin rani da kaka.

Yana ciyarwa irin wannan skates benthic invertebrate dabbobi da cewa rayuwa a cikin fata kasa sludge ko yashi. Kuma shi ne a sassauta kasa ƙasa pilorylu bukata ta saws. Ko da yake akwai shaida cewa ya yi amfani da sawa ba kawai a matsayin shebur. Yana iya hanzari karya, misali, wata fakitin mullet da waving su ginawa-up, kamar takobi, bugawa a wannan ganima. Kuma a lokacin da zai sauka zuwa kasa pylori zare jiki ci ta a can.

An kullum dauke da cewa sawfish ba kawo hadari ga mutane. Duk da haka, akwai da dama lokuta da kai hare-hare. A Gulf of Panama rubuce ko da mummunar. Ko da yake idan aka ba su tsokane, cewa ba to zazzaga kuma ba kai farmaki da shi, sa'an nan mafi m, shi ne a lokacin da wani mutum ya kusata kawai kokarin tserewa. Kuma waɗanda suka likes tafiya ta hanyar da m ruwa na teku, kana bukatar ka san cewa tudun lodi kamar akwai ga bask a rana. Ci gaba da wannan a zuciyarsa da kuma kokarin ba zuwa Mataki a kan daya daga cikinsu. Kuma idan muka yi magana game da lahanin da mutum, da gur da ruwa, shi ne ya fi lalacewa. Kula cewa wasu iri pilorylov ne riga a kan gab da karewa, suna jera a matsayin miyagun. Kuma ga karshe jimlar yawan haskoki cin zarafi ba rage. Very 'yan mutane iya fariya cewa sun gani da kifi-saw a wata halitta mazauninsu ga shi.