I-Black Sea crab: ubukhulu kunama-feeds, incazelo

Ingqikithi kunezinhlobo eziyizinkulungwane eziyizinkulungwane zezimbiza (ama-decapod crustaceans), kanti nezinhlobo ezingamashumi amabili zazo zihlala eLwandle OluMnyama. Banobukhulu obuhle obuhle, ukuma okungavamile nemikhuba. Abaningi babo bahlala emanzini angajulile endaweni engasogwini, befihla emagcekeni. Ake sibheke ukuthi yiziphi izinhlobo zezinambuzane ezihlala kuLwandle Olumnyama.

I-crab yamatshe

I-crab yetshe yi-crab enkulu kakhulu e-Black Sea. Uthanda ukuhlala ezindaweni lapho zijulile khona. Yiqiniso, itholakala eduze nasogwini, kodwa kuphela ezindaweni ezilahlwe futhi ezilahliwe. I-Black Sea crab, ubukhulu bayo obufinyelela kumamentimitha ayisishiyagalolunye kuya kwanguyishumi, ayidli nge-carrion, njengezinye izinhlobo, inamandla futhi ihlukumezayo ngokwayo, ngakho-ke ingaba yisidlali esheshayo nesheshayo noma kunini. Lapho uqamekile, isikhumba singalinda izinhlanzi ezincane, izibungu, izinkinobho. Izihluthulelo zakhe zinamandla kakhulu, uhlunga amagobolondo ama-mollusks, kanye nama-hermit crabs, njengezinhlamvu.

I-crab yase-Black Sea inehlobo oluthile lwesisipha. Zisezingeni le-molecular zihluke kakhulu emisipha yomuntu nesilwane. Kuyathakazelisa ukuthi umbala wegobolondo le-crab uhlale uhambelana nombala wamatshe, ozungezwe yiziphi eziphilayo. Ngokuvamile, lokhu kuyisiqalo esinombala obomvu, kodwa ama-crabs amatshe ahlala phakathi kwe-sandstones aphuzi wona alula kakhulu. Baqaphele indawo yabo yokuhlala ematje, kanye nendawo eseduze nabakhileyo. Amantombazane anqanda amaqanda ngaphansi kwesisu. Ngesinye isikhathi balala amaqanda angu-130 000.

Indawo yokuhlala yalezi zinhlobo zikhulu kakhulu. Ama-stone crabs ahlala kuphela eLwandle Olumnyama, kodwa naseMedithera, ogwini lwase-Atlantic. Kuze kube yiminyaka engamashumi ayisishiyagalolunye ekhulwini lama-20, izinombolo zalo zazihlaba umxhwele ngempela. Lezi zinhlobo zazibhekwa njengezimboni. Manje inani layo liye lahleka kakhulu, selidlulele esigabeni sezilwane ezisengozini.

Kodwa noma kunjalo abantu bahola ukudoba amateur. Phakathi nosuku, ama-crabs amatshe aphansi, futhi ebusuku afika emigodini. Kukhona lapho babanjwa khona, bephuphuthekiswe ukukhanya kwezibani. Inombolo yesikhumba sensimbi yayinciphile kakhulu ngenxa yokuwohloka kwezimo zokuhlala nokudoba okungalawulwa, ngoba kunezimfanelo ezinhle kakhulu.

I-crab enomuncu

Isikhumba sezinyosi zoLwandle Olubomvu sifana kakhulu nelitshe, kodwa ubukhulu balo buyingxenye yesayizi. Futhi igobolondo lombala omnyama obomvu limbozwe phezulu ngenhla encane yezinwele ze-setae-izinwele. I-Crab Black Sea ikhetha ukuhlala eduze kwasegwini ngaphansi kwamadwala. Ukudla kwakhe akufani neze nokudla amanye ama-crabs. Ibeka ingozi kuma- gastropod ngoba ithambisa ama-shells abo aqinile njenge-nut.

Umkhwa weMarble

Igobolondo le-crab le-marble lingapenda kusuka emnyama kunombala ohlaza okwesibhakabhaka, ligcwele isibalo esikhulu semichilo ekhanyayo efana nemabula. Ngenxa yombala wayo omnyama nemilenze ende, ngezinye izikhathi ibizwa ngokuthi i-spider crab. Lona kuphela i-Black Sea crab ephuma emanzini futhi ihamba eduze kwamadwala asogwini namadwala.

Ebusuku bangakwazi ukukhuphuka emadwaleni kuya emamitha amahlanu, futhi emithambekeni emnene ihamba ngamamitha amahlanu kuya kweshumi ukusuka emanzini. Kodwa kuphela uma bebona ingozi, babalekela ngesivinini sombani futhi bafihle igebe eliseduzane noma baziphonsa emanzini.

Yini elwandle elimnyama elidlayo? Ngaphandle kwe-algae, badla izinsalela zabanye abantu kanye nezinye izinto ezihlukahlukene eziphilayo. Ngeke adideke ngisho nokukhipha etafuleni lomuntu. Amakhaza aseMarble nawo ambalwa, ngakho-ke angowokuphila kwezinhlobo ezisengozini.

I-Herbal, noma i-crab yaseMedithera

I-Black Sea i-crab yesiklambe nayo ihlala emanzini angajulile, kodwa ikhetha amaxhaphozi amaningi anotshani, kepha ingahlala phakathi kwamatshe. Igobolondo layo eliluhlaza lifinyelela kumamitha ayisishiyagalombili. Lapho ehlangana nesilwane, akazethembeli ngempela emagqabeni akhe, kodwa ngokushesha uyaphuma. Kodwa ugijimela masinyane, kungakhathaliseki ukuthi uyaphi. Isivinini saso sifinyelela kumitha eyodwa ngomzuzwana.

I-Lilac crab, noma ithando lwamanzi

Amakheba oLwandle Olubomvu athakazelisa kakhulu. Phakathi kwazo kukhona omunye umgwaqo wezinkuni eziphawulekayo wamanzi. Kungcono kakhulu, ungawutholi kuphela emanzini angajulile, kodwa futhi ekujuleni kwamamitha ayi-15. I-crab ye-lilac iyakuthanda ukuba yedwa. Ingangcwatshwa esihlabathini futhi amaviki ekugcineni angeke kube khona umoya noma ukudla.

I-Crab-Plavunets

I-Crab-Flounder ingenye isithandwa sokumba ngaphakathi emhlabathini. It has ubukhulu obukhulu, kodwa imilenze yayo ezinyaweni kancane flattened, like blades. Ngosizo lwabo, uphonsa isihlabathi phezu kwakhe. Ngaphezu kwalokho, lezi zimbiza eziyingqayizivele ziyasetshenziswa ngokuphumelelayo futhi zisetshenziselwa ukubhukuda.

Kumele kuqashelwe ukuthi yilo kuphela uhlobo lwezinto ezikwazi ukugebha. Zonke ezinye izikhumba zoLwandle Olubomvu azi ukuthi zingakwenza kanjani lokhu.

I-crab ebomvu

I-crab ebomvu iyinhlobo engavamile kakhulu yomhlabathi onesihlabathi. Kwavela emanzini oLwandle Olubomvu eminyakeni engamashumi ayisithupha ekhulwini lama-20. Wafika evela eMedithera. Bayiletha ngemikhumbi ye-ballast yasogwini olusempumalanga ye-United States. Noma kunjalo, uLwandle Olumnyama lwalubanda kakhulu kubo. I-crab encane ayikwazi ukusinda kumazinga okushisa anjalo, ngakho-ke kuyinto engavamile kakhulu.

I-crab engabonakali

I-crab yokungabonakali kuyisibonelo esimangalisayo. Ukungafani kwaso kulele ukuthi cishe akunakwenzeka ukubona phakathi kwe-algae. Indalo enhle neyinde isikhathi eside yinkosi yangempela yokuzifihla.

Utshala ezihlahleni zakhe ezincane zempi futhi kule fomu uyahamba angaboni.

I-crab-pea

Kukhona ne-pea-pea encane kakhulu. Njengomthetho, uhlala phakathi kwezingulube, futhi ngezinye izikhathi uhlala ngaphakathi kwegobolondo nge-mollusk ephilayo. Ama-crabs anjalo angatholakala emanzini angajulile ematje, kuphela ukuwaqonda ukuthi kuyinkimbinkimbi kakhulu, ngoba umuntu omdala ufakwa kwi-kopeck yeshumi.

Esikhundleni segama elilandelayo

ULwandle Olumnyama luye lwaba yizinhlobo ezingu-20 zama-crabs ezindaweni lapho ugu lolwandle olukhona khona, ngasemaphethelweni emanzini, amaqabunga ama-algae aqalayo. Kulezi zindawo, izakhamuzi eziningi zomhlaba ongaphansi kwamanzi, kufaka phakathi izimbiza, zihlala. Bathandana nabo kanye nezihlabane ze-sandbanks.

Futhi abamele abancane kunazo zonke bangatholakala kuphela uma uthatha i-group of algae bese uwageza ekhanda, bese kuphela i-crab-pea-ilungu elincane kunazo zonke lomndeni kanye nenkosi enkulu yokuzifihla-izozibonakalisa.