About Dolphins mhenyu vangani, uye zvimwe zvinonakidza zvinhu pamusoro pemhuka iyi

Unoziva izvi Dolphins? Hazvina kwete hove, sezvo vanhu vakawanda vanofunga, ichi - mhuka. Nokudzidza mhuka idzi, masayendisiti vakawana akawanda zvinoshamisa chokwadi uye kunyange renyaya. Nyaya rinotaura pamusoro pavo uye kuti vadye, sei kukurukura uye vangani Dolphins kurarama.

We kunyatsotarisisa

Dolphins - mhuka, dzinongoitika che unova World Ocean - ndezvaJehovha hurongwa Cetacea. In vasayendisiti zvachose kuti vakaverenga 50 marudzi emhuka idzi.

In kuparadzirwa rinofukidza nyika yose, kunze kweArctic uye kunyunguduka zvikamu. Ivo kunyanya vagere mumakungwa uye nyanza, asi panewo Freshwater Dolphins - isingawanzowanikwi mhando La Plata, ari Amazon, wokuChina rwizi.

Next verenga rondedzero STRUCTURAL zviri mhuka iyi zvinoshamisa, tinodzidza nzira kurarama uye sei Dolphins zhinji.

Chitarisiko, tsika

hwemvura muviri mhuka ine streamlined chimiro, tsandanyama uye kupfeka zvachose, aine ganda kumeso. On musoro duku riri buri - the blowhole. Yakagadzirwa elongated, meso duku ona kunhuwa zvakaipa asipo, avhareji kufamba nokukurumidza rakanyatsojeka yakaderera - 5-12 km / h. Nokuda meno duku uye kushaya masticatory tsandanyama havana kuziva sei kutsenga uye kumedza hove diki - rehove pamunhu, anchovies - yakakwana.

Vakawanda vaigara mugungwa pakadzika sezviri nani zvikuru dzakashandisa akaoma kwezvakatipoteredza, asi haina kukanganisa vangani Dolphins vanogara mazvinogara. Hadzina Chokwadi, tine vavengi - Sharks, mwaranzi, asi vanoziva sei kuti vazvidzivirire zvakanaka. Tiine murwere-uye nesimba guru vakamurova mhino dzavo simba romuvengi, uye vari aiming panguva simba pfungwa - the gills kana mudumbu. Sezvo Dolphins - imhuka munzanga uye vagara vakararama pamwe chete nokuda 10-15 vanhu, zvose pamwe chete vane inoshanda chaizvo uchikava vavengi. Mukuwedzera, Dolphins rusununguko pachisikirwo oga echolocation. Nenzwi vibrations ivo zvakarurama havatsananguri nemamiriro chinhu, ayo kukura, mashoko, kure nayo. Saka, nokudzidza mubvunzo Dolphins vangani vachirarama, masayendisiti akawana kuti avhareji upenyu hupfupi ari dzomusango ndiwo makore 50-90.

Chii inokanganisa upenyu anotarisirwa

The zvakawanika zvakabatsira kusarudza chii zvinokosha sei upenyu hunotarisirwa kuti Dolphins:

1. Power. Musango, mhuka idzi kufudza zvikurukuru pamusoro hove, Squid uye dzemugungwa. Nepo masayendisiti kare kuziva chaizvo kudya Dolphins, asi ari muutapwa, kunyange ane kunyatsoteerera kudya, vanotambura kubva kufutisa, iyo chokuita dzisina mhenyu nzvimbo zviruva.
2. Social zvakatipoteredza. Zvinozivikanwa kuti zvakasikwa Dolphins kurarama somunhu mhuri, uye pavanenge takaparadzaniswa mhuri, vane nostalgic chaizvo.
3. dzinogarisana. mhuka idzi rudo kutamba, uye akadzivira neChitatu vakatapwa zvikuru shortens hwavo.
4. Health. Masayendisiti akawana kuti vanotambura "munhu" zvirwere - nemabayo, mwoyo chirwere uye kenza.

Zvaaiva mhedziso, mune hunhu mhuka idzi kwenguva refu kupfuura aquariums kana madziva. Dolphins mangani vachirarama muutapwa? Kwete makore anopfuura 10-15. Saka, muvengi wavo chikuru - murume.

How makore akawanda Dolphins kurarama, uyewo zvikurukuru pakuti mhando. The chakarebesa mhenyu orcas, hove huru uye bottlenose Dolphins - avhareji yemakore 40-60. Irrawaddy mhando anorarama makore 30. Mudukusa zvose rwizi Dolphins kurarama - makore 15-20.

5 dzinonakidza zvinhu

1. Vanoziva sei kutaura. It kare zvakaratidza. mhuka aya kusiyaniswa pemvura vagari uye mumwe anonzi zvakasiyana.
2. The kutekenyedzwa raiva kuwanikwa yokuti pakuzvarwa Dolphin nomumwe ari rongedza anopiwa zita.
3. Dolphins uye murume - chete mhuka munyika vane pabonde kwete chete nokuda kuberekana asi kuzvifadza.
4. Dolphins vanoziva pachake mugirazi.
5. The Dolphin ezvinhu matriarchy yokutonga.