Hannun-wutsiyoyi masu kusurwa. Bayani da fasalulluka na shrimp-wutsiyoyi masu kusurwa

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Abincin da aka fi so na pollock da cod. Labari ne game da jatan lande mai wutsiya. Alaska pollock an cika ta da kusan ɓawon burodi 60. Cod yana cin kusan shrimp 70 a lokaci guda. Akwai fiye da nau'ikan 2000 daga cikinsu a yanayi, sun kasu kashi-kashi 250. Menene bambanci tsakanin wutsiyoyi masu kusurwa, me yasa daidai kifi ke son su?

Bayani da fasalulluka na shrimp-wutsiyoyi masu kusurwa

Hannun-wutsiyoyi masu kusurwa buɗe a 1860. Ana gano jinsin ta abubuwa masu zuwa:

  1. Rostrub ba shi da ƙaya. Labari ne game da kwasfa wanda ke rufe kan masassarar burodi.
  2. Bangaren ganyayyaki karapaces 1.5 ne a tsayi. Thearshen yana nufin farantin ƙwallon duwatsu na jatan lande. Ana kiran ganyen wutsiyar ɓangaren harsashi.
  3. Tsawon sashi na 6 na ciki ya ninka fadinsa sau biyu. Ciki ciki ne na jatan lande. An san shi da kunshi sassa.
  4. Launi mai kalar ruwan hoda mai hade da ratsi-mulu na bakin ciki tare da karapace.
  5. Blueananan caviar shuɗi.
  6. Tsawon jiki yakai santimita 7.
  7. Nauyin gram 7-9.

Girman Shrimp Mai Girma Mai Girma kuma yawanta ya dogara da shekarunsa. Matsakaicin masu nuna alama ana ɗaukarsu a matsayin manya-manya waɗanda suka kai shekaru 3 da haihuwa. Tsawon jikin crustacean ya kasance santimita 4-5 a shekara. Akwai shrimp 10-11 cm. Sun kai akalla shekaru 4. Rimunƙarar shrimp mai ƙusoshin kwana a kan amphipods. A duniyar kimiyya, ana kiransu amphipods. Suna da ƙafa biyu ƙafa. Shrimp-wutsiyoyi masu kusurwa suna da ƙafa 10 kawai, ma'ana, 5 nau'i-nau'i.

A cikin abin da aka sami tafkunan ruwa

Anga-wutsiyoyi shrimp - arewayana son ruwan sanyi. Har ila yau ana kiran nau'in Okhotsk, tun da yake yawancin mutanen suna mai da hankali ne a Tekun Okhotsk. Akwai wutsiya a wasu tekuna na Tekun Fasifik, misali, a cikin tekun Bering.

Fiye da rabi na ɓawon burodi suna zama a cikin yankin shiryayye. Yawa gungu-gungu-gungu masu ban mamaki suna da ban mamaki. A cikin mintina 15 na yawo, zaku iya kama tan 10 na ɓawon burodi. Sawu shine raga mai kama da jaka a haɗe da igiyoyin ƙarfe da aka ɗora bayan jirgin.

Shan sarari a cikin tekuna Tsarin Gabas ta Tsakiya mayar da hankali kan zafin jiki na ruwa. Aunar sanyin, crustaceans suna tsayawa a ƙasan. Yanayin can yana zuwa daga -1.7 zuwa +3.5 digiri.

Yana da mahimmanci ga angler da na yanzu. Shrimp ya tattara inda yake da rauni ko a gefen rafuka masu ƙarfi. A wannan yanayin, crustaceans suna mai da hankali cikin damuwa na ƙasan. Angletail yafi son gishiri kawai, amma ruwa mai gishiri mai yalwa. Lura cewa daga cikin nau'ikan nau'ikan jatan landar na 2000, har akwai wadanda suke da ruwa mai kyau.

An kasafta shi azaman jinsin daban, wutsiyar angler ba ta kasu kashi-kashi. Duk 'yan crustaceans suna da halayen ganowa na kowa.

Kama kifin mai kama da ruwa mai kama da ruwa

North Angle-tailed Shrimp - kallo mara misaltuwa. TAC taƙaitawa ce don kama jama'a. An saita rufi don kama yawancin jinsuna. Dabbobin da ba a so, kifi, ɓawon burodi za a iya farautar su da yawa. Wannan yana nuna yawan jama'a.

Gwarzuwar labarin sananniya ce saboda tana da sunaye da yawa da aka sanya mata a cikin yankuna daban-daban na kamun kifi. An riga an ambaci sunayen "Okhotsk" da "arewa". Hakanan akwai ra'ayi Magadan shrimp mai kusurwa... Sunan ya banbanta, amma jigon iri daya ne.

An kama wutsiyar kusurwa da dare. Bayan ƙarfe 9 na maraice, masu ɓawon burodi suna rugawa zuwa ginshiƙin ruwa. Da 8-9 na safe, jatan lande ya nutse zuwa ƙasa. Kama dabbobi anan yafi wahalar gaske. Yaran shrimp suna ƙaura sosai. Larfin motsin manyan mutane ya yi ƙasa. Crustaceans suna daidaita kansu yayin motsi zuwa raƙuman ruwa.

Motsi na tsaye na yau da kullun wutsiyar angler ba tsari bane. Crustaceans na iya tsayawa a ƙasan har tsawon kwanaki, sa'annan su tashi zuwa saman na 'yan kwanaki. Babu wani bayani na kimiyya game da lamarin har yanzu.

Kashe ƙasa, jatan lande ya zama mai rauni. Yawancin mutane ana kai musu hari daidai a cikin ruwa, kusa da shimfidar sa. Wannan ya hada da samar da jatan lande na mutane. Me yasa dabbobi ke saurin haurawa sama? Tambayar ta kasance a buɗe.

Ana ɗaukar wutsiyar masara mai daraja saboda nau'in ɗanɗano da fa'idodin da ke ɓoye a cikin naman ɓawon burodi. Samfurin yana da ɗanɗano mafi kyau daga jatan lande daga ɗakunan wurare masu zafi har ma da dangin jarumar labarin - nau'in arewacin. Bugu da kari, naman wutsiyar kwal yana da wadataccen sinadarin calcium, iodine, zinc, potassium, Omega-3 acid, bitamin E.

Sake haifuwa da tsawon rai

Hannun-wutsiya mai kusurwa a hoto na iya bayyana a cikin nau'ikan 7. Daidai matakai da yawa na ci gaba suna ratsa tsutsa. A matakai na farko 2, ana rarraba wutsiyoyin angler a ko'ina cikin zurfin tekuna. Daga mataki na 3 na ci gaba, shrimp ya kasance kusa da gabar teku.

An haife shrimp-tailed mai haushi a matsayin ɗa namiji. A cikin shekaru uku, wasu daga cikin ɓawon burodi sun zama mata. A ilimin kimiyyar halittu, ana kiran irin wadannan nau'in protandric hermaphrodites.

Bayan sun rasa halayensu na maza, mata na sakin sinadarin pheromones a cikin ruwa. Kamshin su yana jan hankalin maza. Mating yana ɗaukar kimanin dakika 40. Bayan mata sa har zuwa qwai 30. Wannan yana faruwa a cikin bazara.

Isar da balaga a cikin shekaru 3 da haihuwa, raƙuman ruwa masu taurin kwana suna rayuwa tsawon shekaru 5-6. Koyaya, sau da yawa sau da yawa masu gurnani suna mutuwa da wuri, suna zama masu cin zarafin mahauta, ko kuma mutane su kama su. Kamfanoni a cikin Gabas ta Tsakiya suna haɓaka alamar ta hanyar samar da wutsiyar kwal zuwa kasuwar Rasha. Ana sayar da jatan lande a sifar ta jiki da baƙi.

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