Mutum na iya saduwa da mollusks ko'ina. Wannan darasi ya hada da katantanwa, da mussel, da kawa, da squids, da dorinar ruwa. Har ila yau, abin lura ne cewa mollusks suna matsayi na biyu a lamba bayan arthropods. A yau akwai kusan nau'ikan 75-100 dubu daga cikinsu a duniya. Kowane mollusk yana da fasaloli masu ban mamaki, kuma wasu gaskiyar game da su na iya ma girgiza ku.
Masana kimiyya sun iya tabbatar da cewa kwandon bivalve mollusk yana da alamun ci gaba a kowace rana ta hanyar layi. Idan ka lissafa su, zaka samu adadin ranakun da watanni a cikin shekara guda. Irin waɗannan gwaje-gwajen sun nuna cewa akwai ƙarin kwanaki a kowace shekara a cikin Paleozoic fiye da yanzu. Wannan bayanin ya samu karbuwa daga masu ilimin taurari da kuma masu binciken ilimin kasa.
Kamar yadda masana kimiyya suka gudanar don ganowa, tsoffin mollusk da mutumin da aka kama ya rayu tsawon shekaru 405 kuma shi ne ya karɓi matsayin mafi tsufa mazaunin teku.
1. Fassara daga Latin "mollusk" na nufin "mai taushi".
2. A Cuba, mun sami damar gano mollusk mai ban sha'awa wanda ke ba da haske lokacin da aka fusata. Masu binciken Spain da Cuba sun gano shi yayin aiki a kan tsibirin don nazarin duniyar karkashin ruwa ta Macaronesia a 2000.
3. Mafi girman mollusk shine wanda yakai kimanin kilo 340. An kama shi a Japan a 1956.
4. "Infernal Vampire" shine kawai mollusc a duniya wanda ke ɗaukar ransa a zurfin mita 400 zuwa 1000 kuma a gaban ƙarancin iskar oxygen a cikin ruwa.
5. Kullun da yawa tare da bawo suna samar da lu'ulu'u, amma lu'ulu'u bivalve ne kawai ake ɗauka da daraja. Lu'ulu'u na kawa Pinctada mertensi da Pinctada margaritifera sune mafi kyau.
6. A gabar gabashin Amurka akwai kifin kifin wanda yake da kamanni na musamman. Emerald Elysia na Gabas yayi kama da koren ganye wanda yake yawo akan ruwa. Bugu da kari, wannan halittar tana aiwatar da aikin daukar hoto, kwatankwacin yadda tsirrai ke yi.
7. Babban abincin mollusc shine plankton, wanda suke tace shi a cikin ruwa.
8. Ana iya tantance shekarun kowane zoben da yawan zobba akan bawul din kwasfa. Kowane zobe na iya bambanta da na baya saboda abubuwan da suka shafi abinci, yanayin zafi, yanayin muhalli da kuma yawan iskar oxygen a sararin samaniya.
9. Hayaniyar teku a cikin kayan kyautuka shine hayaniyar muhalli, wacce zata fara zama tare da kogon kwasfa. Irin wannan tasirin yana faruwa ba tare da amfani da harsashi ba. Ya isa kawai sanya mug ko dabino lanƙwasa a kunnenka.
10. Bivalve molluscs suna locomotive. Scallops, alal misali, tare da walƙiyar motsawar bawul da fitowar rafin ruwa, suna iya yin iyo mai nisa. Don haka suka buya daga taurarin teku, wadanda ake daukarsu manyan abokan gaba.
11. Mollusks masu lalata na rapana a cikin 40s na karni na XX a kan kasan jiragen ruwa sun samo daga Tekun Japan zuwa Bahar Maliya. Tun daga wannan lokacin, sun ninka da yawa har sun sami damar fatattakar mussur, da kawa da sauran masu fafatawa.
12. A kan yankin hamadar Nazca, wanda a da aka san shi a matsayin gandun daji, yana yiwuwa a sami kwasfa mara kyau na mollusks.
13. A zamanin da, ana amfani da molluscs don ƙirƙirar ruwan hoda da siliki na ruwa.
14. Ta hanyar canzawa kansu harsashi, molluscs na iya kula da yanayin zafin jikinsu, basa barin shi ya tashi zuwa bakin kofa mai kisa na digiri 38 sama da sifili. Wannan kuma yana faruwa lokacin da iska tayi zafi zuwa digiri 42.
15. Molluscs na iya motsawa ta cikin teku ta rayayye, sakamakon haka suna ɓoye gamsai da yawa, wanda ya zama babban makamin yaƙi da hare-haren mahautan.
16. Mollusc na ammonite, waɗanda sun shuɗe tun da daɗewa, sun kai tsawon mita 2. Har zuwa yanzu, wasu lokuta mutane suna samun harsashinsu a cikin yashi da kuma kan teku.
17. Wasu mollusc, kamar slugs da katantanwa, suna da hannu cikin lalata ciyayi.
18. Zoben dorinar ruwa, wanda ke zaune kusa da gabar Ostiraliya, yana da kyau sosai, amma cizon sa na iya zama na mutuwa. Guba irin wannan halittar tana daɗa kimanin mutane dubu 5-7.
19. Abin sha'awa kuma shine dorinar ruwa ya zama mahaukaci ne. Sun san yadda za su rarrabe siffofin siffofi daban-daban na lissafi, kuma su saba da mutane wani lokacin su zama masu taushi. Irin wannan molluscs suna da tsabta sosai. A koyaushe suna kula da tsabtar gidansu kuma suna wanke duk ƙazantar da magudanar ruwa da suke saki. Suna sanya sharar waje a cikin "tari".
20. Wasu nau'in molluscs suna da ƙananan ƙafa, waɗanda suke buƙatar motsawa. A cikin cephalopods, alal misali, kafa yana tsaye kai tsaye kusa da tanti. Wasu mollusks kuma suna da harsashi a jiki, wanda ke kare wannan halittar daga hari.
21. Duk da komai, wasu mollusc suna da hankali. Misali, wadannan sun hada da dorinar ruwa.
22. Ikon haifuwa a ko'ina shine keɓaɓɓiyar damar molluscs. A gare su, babu wani bambanci: yanayin duniya ko yanayin ruwa.
23. Akwai kifin kifin da yawa a duniya. Wasu daga cikinsu kanana ne kuma masu cutar parasitic. Sauran suna da girman girma kuma suna iya yin tsayi zuwa mita da yawa.
24. Don samarwa kansu kariya, cephalopods da yawa sun fara sakin gajimare tawada, sa'annan suyi iyo a ƙarƙashin murfinsa. Saboda duhun da ke gudana a cikin yanayin ruwa, kwalliyar zurfin ruwa "hellish vampire" ya koma wata dabara don ceton kansa. Tare da duban alfarwarsa, wannan halittar takan fitar da siradi, wanda ke haifar da gajimare mai walƙiya da ƙwallon shuɗi. Wannan labulen haske na iya girgiza mai farauta, ya bar mollusk ya tsere da sauri.
25. Mollusk Arctica islandica, wanda ke zaune a cikin Tekun Atlantika da Arctic, na iya rayuwa har zuwa shekaru 500. Wannan ita ce mafi tsawon rayuwa a doron kasa.
26. Shellfish yana da iko mai wuce yarda. Idan mutum yana da ƙarfi irin nasu, to mutanen da nauyinsu yakai kilogiram 50 zai iya ɗaukar kaya cikin sauƙin tare da nauyin nauyin tan 0.5 a tsaye zuwa sama.
27. Gastropods, wanda harsashi ke da sifar turbospiral, suna da hanta a cikin juji na ƙarshe na karkace.
28. A kan sikeli na masana'antu, an shirya noman kifin a karon farko a Japan a cikin 1915. Mahimmancin wannan hanyar ita ce sanya barbashi a cikin kwasfa, wanda kusa da mollusk zai iya haɓaka ma'adinai. Wannan nau'ikan hanyar Kokichi Mikimoto ne ya ƙirƙira shi, wanda daga baya ya sami ikon mallakar lasisin mallakar kansa.
29. Mai rikodin daga cikin invertebrate molluscs shine babban squid. Tsawon jikinsa na iya zama mita 20. Idanun sa sun kai santimita 70 a diamita.
30. Molluscs dorinar ruwa, wanda kuma ake kira dorinar ruwa, su ne kawai halittu a duniya da ke rayuwa cikin ruwa kuma suke da baki kamar tsuntsu.
