Kwango na Crawfish

Crawfish frog (Lithobates areolatus)  wani nau'in frog ne mai matsakaici wanda ke cikin filayen da ciyawa na tsakiyar Amurka.  Yana samun sunansa saboda yana zaune a cikin burrows na crayfish mafi yawan shekara. Sun bayyana zagaye na zinariya ko baƙar fata a duk jikin su.

 Bayyanawa 
Kwandon crawfish yana girma daga 2.2 zuwa 3.0 in (5.6 zuwa 7.6) cm) a tsayi.  Ya bambanta daga rawaya zuwa launin ruwan kasa mai launin ruwan kasa, tare da farar fili. Dimbin tabo masu launin duhu a bayan L. areolatus kowanne yana da zobe mai launin haske a kusa da shi.  Yana da nau'in fata na daban a kowane gefe na bayansa, wanda ya fi bayyanawa a cikin maza fiye da mata, da ƙananan tympanum . 

 Halin 
Ana samun kwari na Crawfish da farko a cikin alaƙa da mazaunin filayen ko ciyawa, kodayake za su kuma yi amfani da makiyaya da filayen da suka cika. Wannan nau'in yana ciyar da mafi yawan shekara tare da burin crayfish na ƙasa. L. areolatus yana ciyar da lokaci mai yawa a aiki kuma a sama da ƙasa har ma a kwanakin bazara masu zafi, amma ba sa ɓacewa nesa da ramin su wanda ke aiki a matsayin muhimmiyar koma baya daga masu farauta, mahimmin tushen ruwa, tserewa daga gobarar ciyawa, da kuma hanyar zuwa ƙasa da layin sanyi a lokacin hunturu. Crawfish frogs suna ciyar da kwari da sauran kananan invertebrates da ke wucewa ta ramin su.

Crawfish frog yana haifuwa bayan sauƙin, yanayin ruwan sama a tsakiyar watan Maris a duk faɗin yawancin kewayonsa (yawan yana faruwa a baya a yankin kudancin rarraba).  A wannan lokacin, maza suna neman tafkuna da wuraren da ba su da kifi kuma suna fara kira. Kira mai ƙarancin mita na iya ɗaukar fiye da mil, yana jawo mata daga yankin da ke kewaye. Da zarar mata sun isa, amplexus na iya faruwa  kuma mata suna ajiye ƙwai 7,000 a lokaci guda a cikin manyan, globular masses.  Kwayoyin suna furewa a cikin matsakaicin kwanaki 12, kuma tadpoles suna canzawa cikin froglets a cikin watanni uku ko hudu. Sabbin ƙwayoyin ƙwayoyin cuta dole ne su nemi burin kifi da sauri don zama don kauce wa farauta.Heemeyer, Jennifer L.; Williams, Perry J.; Lannoo, Michael J. (2012-02-23).  Crawfish frogs suna zama masu girma a cikin jima'i a shekaru biyu zuwa uku kuma suna iya rayuwa har zuwa shekaru bakwai ko fiye a cikin daji.

 Yankin ƙasa 
Ana samun crawfish frog a wasu sassan tsakiya da kudancin Amurka,  daga Indiya yamma zuwa Kansas, kudu zuwa Texas, da gabas zuwa Mississippi. Wannan nau'in yana da alaƙa da tsoffin yankuna inda ake samun burrows na crawfish, amma tare da tasirin asarar mazaunin tare da birni, an kawar da yawan jama'a da yawa.

A cikin 2016 an rubuta yawan jama'a a Sumter County, Alabama . 

An kara sabon rikodin gundumar a cikin 2017 a Perry County, Arkansas a cikin Dutsen Ouachita. Dubi Bayanan da ke ƙasa.

 Manazarta