Wadatacce
- Halayen Kaguwa
- Nau'in kaguwa nawa ne a duniya?
- 1. Mai kagu-kaɗe
- 2. Tsibirin Kirsimeti Jajaye
- 3. Jafar kato kato
- 4. Green Crab
- 5. Blue Crab
- 6. Garin kagu-marie
- 7. Yarin Crab (Gecarcinus lagostoma)
- 8. Gizo mai katuwar Blue
- Ƙarin misalai na kaguwa
crabs ne dabbobin arthropod sosai ya samo asali. Suna iya kasancewa cikin ruwa, wanda suke buƙatar numfashi, na dogon lokaci. Wannan yana yiwuwa saboda suna iya tara ruwa a ciki, kamar dai rufaffiyar da'ira ce, tana canza ta lokaci zuwa lokaci.
A cikin wannan labarin ta PeritoAnimal za mu yi magana game da shi nau'in kaguwa da manyan siffofinsa. Hakanan zamu nuna muku cikakken jerin sunaye da hotuna don ku iya koyan gane wannan dabba mai ban sha'awa. Kyakkyawan karatu!
Halayen Kaguwa
Kai kaguwa Arthropods na crustacean ne na Brachyura infraorder. Tsarin jikinsu ƙwararre ne, kuma yayin da jikin arthropods ke rarrabuwa a kai, kirji da ciki, kaguwa suna da waɗannan. sassa fuskoki guda uku. Galibin ciki, wanda ƙanana ne kuma yana ƙarƙashin carapace.
Karamar kaguwa tana da fadi sosai, galibi tana da tsawo fadi fiye da tsayi, wanda ke ba su kyawu sosai. Suna da kafafu biyar ko appendages. Biyu na farko na appendages, da aka sani da chelicera, suna nuna girma a cikin maza da yawa.
Suna iya rarrafe zuwa gaba sannu a hankali, amma galibi suna tafiya gefe, musamman lokacin da suke rarrafe da sauri. mafi yawan kaguwa ba zai iya iyo ba, ko da yake a wasu nau'in ƙafar ƙafa ta ƙarshe tana ƙarewa a cikin wani irin ɗaki ko ƙyalli, mai faɗi da leɓe, wanda ke ba su damar yin motsi ta hanyar iyo.
kaguwa numfasawa ta gills. Ruwa yana shiga gindin kafafu biyu na farko, yana zagaya cikin ɗakin gill, kuma yana fita ta wani yanki kusa da ido. Tsarin jijiyoyin jini na kaguwa a buɗe yake. Wannan yana nufin cewa wani lokacin jini yana bi ta jijiyoyin jijiyoyin jini, kuma a wasu lokutan ana zuba shi cikin jiki. Suna da zuciyar da za ta iya samun sifofi masu canzawa, tare da ostioles, waɗanda ramuka ne ta hanyar da jini ke shiga zuciya daga jiki, sannan ya yi tafiya ta cikin jijiyoyin jini.
Kacicirai dabbobi ne masu omnivorous. za su iya ciyarwa algae, kifi, molluscs, carrion, bacteria da sauran halittu da yawa. Su ma dabbobin oviparous ne, wanda haifa ta qwai. Tsutsotsi suna fitowa daga waɗannan ƙwai kuma suna shafar matakai daban -daban na metamorphosis har zuwa matakin manya.
Nau'in kaguwa nawa ne a duniya?
Akwai a kusa Nau'ikan 4,500 ko nau'in na kaguwa. Waɗannan dabbobin galibi suna zaune a cikin yankuna na tsaka -tsaki, kamar bakin tekun rairayin bakin teku, estuaries da mangroves. Wasu suna rayuwa a cikin zurfin ruwa mai zurfi, kuma wasu nau'in ma suna zaune a cikin irin waɗannan wuraren da ba za su iya zama ba kamar raƙuman ruwa na teku, waɗanda ke isa yanayin zafi har zuwa 400 ° C.
Wasu daga cikin sanannun nau'ikan kaguwa ko waɗanda suka cancanci a fifita su a yanayi sune:
1. Mai kagu-kaɗe
O kaguwa fiddler (ku pugnax) yana zaune a ramin gishiri da yawa a bakin Tekun Atlantika. Su ne masu ginin burrow, suna amfani da su don kare kansu daga mafarauta, haifuwa da yin bacci yayin hunturu. Ƙananan ƙanana ne, tare da manyan mutane masu auna kusan santimita 3 a faɗi.
Suna nuna dimorphism na jima'i, maza suna launin koren duhu mai duhu tare da yanki mai duhu a tsakiyar harsashi. Mata ba su da wannan tabo. Maza, haka ma, na iya samun girma a cikin ɗayan chelicerae kuma, a wasu lokuta, duka biyun. A lokacin zawarci, maza suna motsa chelicerae ta yadda za su bayyana cewa suna yin waƙa.
2. Tsibirin Kirsimeti Jajaye
O ja kagu (natal gecarcoidea) yana da iyaka Tsibirin Kirsimeti, Ostiraliya. Yana rayuwa cikin keɓanta cikin daji, yana shafe watanni na fari da aka binne a cikin ƙasa, yana bacci. Lokacin da damina ta fara, a lokacin faɗuwa, waɗannan dabbobin suna yin abin mamaki hijiracikintaliya zuwa teku, inda suke kwafi.
samarin ja kagu an haife su a cikin teku, inda suke kwashe wata guda suna aiwatar da abubuwa daban -daban don rayuwa a cikin yanayin ƙasa.
3. Jafar kato kato
O babban kagu na japan (Kaempferi macrochick) yana rayuwa mai zurfi a cikin Tekun Pacific, kusa da gabar tekun Japan. Dabbobin mulkin mallaka ne, don haka suke zaune a ciki manyan kungiyoyi. Ita ce mafi girman rayayyun halittu da ke wanzuwa. kafafunku na iya aunawa fiye da mita biyu dogon, kuma za su iya isa 20 kilo na nauyi.
Wani abu mai matukar ban sha'awa game da waɗannan dabbobin shi ne cewa suna manne a jikinsu tarkacen da suke samu a kusa da su don yin kafofi. Idan sun canza muhallin su, haka ma ragowar. A saboda wannan dalili, ana kuma kiran su da "crabs na adoYana daya daga cikin jinsin kaguwa da suka fi tayar da sha'awar mutane saboda girman sa.
4. Green Crab
O kore kaguwa (Makin Carcinus. Suna iya samun sautunan da yawa, amma galibi suna mai launin kore. Ba sa isa ga balagar jima'i har zuwa shekara 2, lokacin da suka sami girman 5 santimita. Koyaya, tsawon rayuwar ta shine shekaru 5 a cikin maza kuma 3 a cikin mata.
5. Blue Crab
O blue kagu (sapidus callinectes) an sanya masa suna saboda launin shudi na kafafuwansa, amma karafinta yana kore. Fuskokin chelicerae nata ja ne. Su ne dabbobi masu cin zali a yankuna da yawa na duniya, kodayake sun samo asali ne daga Tekun Atlantika. Suna iya rayuwa cikin ruwa tare da yanayi daban -daban, ruwa zaki ko dadi, har ma da gurbata.
6. Garin kagu-marie
Farin kaguwa ko ƙura mai yashi (Ocypod quadrata). An kuma san shi da fatalwar kagu da raƙuman ruwa. Yawanci akan rairayin bakin teku, yana gina ta taba yashi don nisanta daga ruwan teku. Dabba ce mai matukar damuwa ga sanyi, amma tana iya jure zafin zafi kuma tana da ƙarfi sosai, tana iya amfani da tweezers na gaba don tono, kare kanta ko samun abinci.
7. Yarin Crab (Gecarcinus lagostoma)
Ƙaramar rawaya (gecarcinus lobster) yana zaune a yankuna masu ruwa da tsaki kuma ana ganin sa a wurare kamar Atol das Rocas da Fernando de Noronha. Dabba ce cikin haɗari, a cewar Red Book of Brazil Fauna Barazanar da Ƙarewa ta Cibiyar Chico Mendes don Kula da Halittu.
Har ila yau an san shi da kaguwa ɓarawo, yana da carapace rawaya kuma galibi ruwan lemo. Yana tsakanin 70 zuwa 110 millimeters. Tare da halaye na dare, yana da ci gaban tsutsar ruwa kuma launin sa ya bambanta daga rawaya zuwa shunayya.
8. Gizo mai katuwar Blue
Babbar kaguwa mai launin shudi (birgo latro) kuma an san shi da barawon kwakwa ko kaguwa na kwakwa. Kuma wannan yana da cikakkiyar ma'ana: abincin da ya fi so shine kwakwa. Yana iya auna har zuwa Tsawon mita 1, wannan ɓawon burodi yana da ƙwarewar iya hawa bishiyoyi. Haka ne. Kada ku yi mamaki idan kun kasance a Ostiraliya ko Madagascar, inda yake zaune, kuma ku sami kaguwa yana neman kwakwa a tsaunuka.
Baya ga wannan da sauran 'ya'yan itatuwa, yana ciyar da kananun kaguwa har ma da ragowar dabbobin da suka mutu. Wani sifar sa shine ciki mafi wahala fiye da sauran nau'in. Duk da ana kiransa shudi, launinsa na iya bambanta tsakanin orange, baki, shunayya da ja baya ga shuɗin da kansa.
Ƙarin misalai na kaguwa
A ƙasa, muna gabatar muku da jerin wasu nau'ikan kaguwa:
- Babban Krabba (Santolla Lithodes)
- Florida Stone Crab (menippe sojojin haya)
- Black Crab (ruricula gecarcinus)
- Kambun Bermuda (Gecarcinus lateralis)
- Dwarf Crab (Trichodactylus borellianus)
- Crab Crab (Pachygrapsus transversus)
- Haushi Mai Haushi (Peltarion spinosulum)
- Rock Crab (pachygrapsus marmoratus)
- Yaren Catanhão (granular neohelix)
- Crab marar magana (Crassum Cardisoma)
Yanzu da ka san jerin kaguwa iri, gami da biyu daga cikinsu da aka sani sun fi girma fiye da yadda aka saba, kuna iya sha'awar wannan bidiyon game da manyan dabbobin duniya da aka taɓa samu:
Idan kuna son karanta ƙarin labarai makamantansu Nau'o'in Kambun - Sunaye da Hoto,, muna ba da shawarar cewa ku shiga ɓangaren Curiosities na duniyar dabbobi.