Dabbar Black Sea. iri da dabbobin ruwa

Wadannan marine dabbobi masu shayarwa suna da karami na domin Cetacea. Masana kimiyya a yanzu yana da game da hamsin da jinsunan dabbobin ruwa.

description

Wadannan teku mazaunan kasance a cikin subfamily na dabbobi masu shayarwa, cetaceans detachment, da iyali na dabbobin ruwa. Jikinsu tsawon jeri daga 1.2 zuwa 3 mita, a wasu jinsunan, ya kai gare shi 10 m. Kusan dukkan jinsunan da dabbobin ruwa da filafilin kifi a baya. Kuma ma yiwu a sauya a cikin "baki" fuska da kuma babban adadin hakora (70).

Dolphins a cikin tẽku mãsu nẽman shiryuwa echolocation. Dabbobi suna da bakin ciki sosai ji - sauti vibrations suna samuwa daga dama dubun Hz zuwa 200 kHz.

Dolphins suna dauke da nagartaccen murya da ƙararrawa sauti yi sigina, echolocation Gabar dake a cikin ƙofar hanci (kawai). An hade da shida iska jaka da tsoka tsarin. Frequency sakonni radiated - game da 170 kHz.

Ba dole ne a ce game da sosai tsakiya m tsarin na wadannan dabbobi - kwakwalwa manyan, mai siffar zobe, ta cerebral hemispheres da yawa meanders (haushi da dabbar dolfin kwakwalwa yana da 30 biliyan jijiya Kwayoyin). Irin wannan kwakwalwa size damar dabbobin ruwa aiwatar da babban adadin mai shigowa bayanai da za su iya, kamar aku, kwafa da kalmomin magana da wani mutum.

A hydrodynamic siffar jiki, anti m kaddarorin da kuma tsarin da fata, hydroelasticity sakamako (daidaitacce) a cikin fins, da musamman ikon nutse har zuwa babban zurfin da kuma wasu siffofin da dabbobin ruwa shekaru da dama sha'awar magoya bayan bionics.

Wadannan cute dabbobi suna kiyaye a cikin da yawa dolphinariums da oceanariums saboda suna iya horar da trainable. Yau, da yawa iri dabbobin ruwa suna "aiki" a cikin circus. Yanzu mun yi la'akari da yiwuwar domestication na wasu jinsunan wadannan dabbobi.

Abin baƙin ciki, a kasashen da dama suna batun kiwon kifi (misali lagenorhynchus a Japan stenella). A jihar kama kifi na wadannan dabbobi da aka dakatar a shekarar 1966.

The topic mu tattaunawa a yau ne Black Sea dabbar dolfin. Za mu gabatar muku da uku main iri marine rayuwa.

Bottlenose, dabbar dolfin ko manyan

Wannan ne ya fi kowa, kuma mafi karatu jinsunan, wanda aka sau da yawa samu a cikin Black Sea aquariums. Bottlenose dabbar dolfin - a dabbar dolfin, wanda ya fi sauki ga jure wa wasu bauta.

Wadannan marine dabbobi masu shayarwa girma har zuwa 3 mita da kuma wani nauyi riba na 300 kilo. The Black Sea dabbar dolfin yake aiki a cikin rãna, ya aka Allaha a faɗuwar rana.

Bottlenose dabbar dolfin farauta domin kifi, amma ba ka ba up, kuma daga jatan lande, squid, cephalopods. Nemi makaranta kifi, da dabbobin ruwa ake harhada tare. Neman haskoki da Shellfish, suka sauka zuwa zurfin 300 m.

Bottlenose dabbar dolfin - a dabbar dolfin wanda kullum cinye fiye da 15 kilo kifi. Maqiyan da kadan - shi ne babban Whales da kifayen teku. Muhimmanci lalacewar da mutum haifar da yawan jama'a. The kama kifi da raga dabbobi sau da yawa zama lauye da kuma mutuwa. Echo sounders marine tasoshin ma implicated da mutuwar dabbobin ruwa. Gaskiyar cewa su shiryayyu ne da ake kira locator.

Karkashin ruwa da dabbar dolfin sauti da cewa propagate a high gudun, suna nuna daga abubuwa da kuma dawo. Kamar wancan dabba na'am da bayanai game da bukatun da ta abu. Idan ya ji "kasashen waje" sauti kalaman Sonar, za ka iya samun ɓace a sarari. Sau da yawa suka tashi a kan wani sandbank. Akwai misalai da dama, irin haka sau da yawa faruwa a kan hanyoyi, daga jirgi.

dabbar dolfin sauti

Ichthyologists, karatu bottlenose dabbobin ruwa, sun gano cewa suna da fadi da kewayon sauti, wanda ake amfani da su domin sadarwa a cikin garken. Bayan nazarin da records da "tattaunawar", da masu bincike ƙarasa da cewa "lexicon" bottlenose 17 sautuna. A bin da ganima, su "haushi" a lokacin da ya garwaya da abinci - "meow" da kuma lokacin da za tsoro da abokin gaba, suka yi sauti da cewa kama auduga. Biyar daga cikinsu fahimtar Black Sea beaked dabbobin ruwa da kuma matukin jirgi Whale. Sauran 12 sauti quite na musamman. Masu horarwa ce cewa daban-daban haduwa da wadannan sakonni damar da dabbobi don sadarwa tare da wani.

haifuwa na bottlenose dabbobin ruwa

A bazara da kuma bazara dabbobin ruwa ma'abota kakar fara. A wannan lokaci da dabbobi nuna hali quite daban, kamar yadda ya saba - dukan jiki lanƙwasa, kai musamman postures, sniff juna, Jump, stroking juna ta ƙege da kuma shugabannin squeal.

A mafi karami jima'i balagagge mãtã, kamar yadda aka auna ichthyologists, masana kimiyya, jiki shi ne tsayin 228 cm. Gestation yana game da wani shekara.

Bottlenose Dolphin, kamar yawancin cetaceans - viviparous dabba. The yaro ne haife shi a ruwa, kamar yadda mai mulkin, da wutsiya a gaba. Danginsu, wani lokacin ci gaba da minti 20, da kuma wani lokacin jinkiri ga sa'o'i biyu.

Common dabbar dolfin - kowa da dabbar dolfin

Shi ne mafi zamantakewa dabbobi daga iyali. Su ba zai iya kwatanta su rai kadai. A garken dabbobin ruwa, a wasu lokuta a matsayin babban matsayin da yawan dubu biyu.

Common dabbobin ruwa da iyalan kunsha da dama da al'ummomi daga zurriyar wannan mace. Lactating mace da matasa maza, kuma wani lokacin samar da raba, sau da yawa wucin gadi jambs.

Wannan shi ne ya fi sauri marine dabbobi, gudãnar up to 60 km / h. Wannan ne mai sauki isa don bayyana. Common dabbar dolfin - a kananan dabbar dolfin. ta jiki tsawon ba ya wuce daya mita. Suka ba ko tsayar da tare da shark.

Live dabbobin ruwa garken yafi a matsafai na kan tekuna. Suka ciyar a kan kifi, mollusks, crustaceans wani lokacin.

mazauninsu

An yi imani da cewa Black Sea dabbar dolfin, ko da yake ya na zaune a kusan duk tekuna da tekuna da m ko dumi ruwa. A cewar masana harkokin kimiyya, kowa dabbar dolfin da cewa na zaune a cikin Black Sea ne misali na "Dabbar kyakkyawa."

waje siffofin

Wannan dabba yana da wani gwargwado, siririn jiki. A kowane gefen ne a wajen hadaddun hoto - a kwance adadi takwas a kan wani farin baya, wanda ya ba da sunan ga hankali. Launi - black and white, da kuma daban-daban inuwõyinta suna kusa, launin toka.

Halayyar a cikin yanayi

Common dabbar dolfin - wani sosai m dabbobi a wani garke. Su a hankali bi da rashin lafiya yan'uwa a hade farautar kifi, a adana da kuma kare matasa da dabbar dolfin. Communication auku a cikin fakitin via beeps - akafi, amo irin na jemage da yi ƙaras-ƙaras. Ba kamar afaliny, beaked 5 yana amfani da sauti na daban-daban mitoci, farar da timbre.

A cikin hunturu, da dabbobin ruwa tara a da manya manyan garkuna da har zuwa dubu da dama mutane. By rani da suka saba decompose da kuma haifar da kananan kungiyoyin na kowa dabbobin ruwa. A cikin irin wannan iyalai - wani na kusa da dangantaka tsakanin dukkan membobinta.

Asusu lokuta inda wadannan dabbobin ruwa taimakawa tsohon dabbobi da aka sa a kan surface na ruwa saboda haka ba za su iya numfashi.

Dabbar harbor porpoise

Wannan nau'in na da dama sunayen - Azov dabbar dolfin, porpoise saba, alade, Azov porpoises , da dai sauransu Wannan shi ne wani (daga cikin uku fi na kowa) dabbar dolfin Black Sea.

external bambance-bambance

Dabbar Black Sea harbor porpoise yana da wani gajeren kai tare da m, taso keya fuska, da ciwon mai iko mai kushin. dabbar dolfin jiki yana da wani sigar-dimbin yawa, triangular dorsal filafilin kifi da fadi da tushe. A pectoral fins an dan kadan taso keya. A baya an fentin a duhu-m, kusan farin ciki. A tsawon wannan dabba bai wuce 1.8 m Its nauyi -. 30 kg.

mazauninsu

Dabbar riƙe porpoises a cikin Black Sea kashe bakin tekun gana a ko'ina cikin shekara, kashe bakin tekun na Azov bayyana a farkon spring. A kaka, waɗannan dabbobi bar baya jambs silverside da kuma irin kifi.

A wasu shekaru, mai kaifi sanyaya kuma glaciation na har ma da Azov Sea ya kai ga mutuwa na wadannan dabbobi a cikin kankara.

Sun yawanci ciyar da hunturu kashe bakin tekun na Kudu Caucasus da kuma Crimea. Wadannan dabbobin ruwa rayuwa a cikin kananan kungiyoyin na 5 zuwa 30 mutane, amma akwai ma guda (da wuya).

A lokacin rani na harbor porpoises za a iya gani a cikin Kerch mashigar, inda suka farautar mullet. Wannan dabbar dolfin sau da yawa ya zo a cikin kogin.

Rayuwa Hasashen - 12 shekara, jima'i balaga da aka kai wa 4 years. Gestation yana game watanni 11, da kwiyakwiyanta aka haife shi a May-Agusta. The mace da zuriyata ga shãyar da mãma sabõda for 5-6 watanni.

Powered harbor porpoise goby, irin kifi, silverside da kuma sauran kananan kifi. Daily dabbar dolfin harbor porpoise ci fiye 5 kilogiram na kifi.