Nau'in kifi: tushen taxonomy da misalai

Kifi ne mai ban mamaki mazaunan na ruwa duniya. Wannan shi ne daya daga cikin mafi girma da kuma mafi bambancin kungiyoyin dabbobi. Rarrabe fasali na tsarin, rarrabuwa da kuma halaye na kifi, ya sa a ta da asali, da za a tattauna a cikin labarin.

Superclass Pisces: general halaye

Ba abin mamaki ba m mutane kwatanta shi da waɗannan dabbobi. Magana game da su: "Ina jin kamar kifi a ruwa." Kuma lalle ne, haƙĩƙa, kifi da tsarin siffofin da ya sa su zuwa Master wannan yanayi. Wadannan sun hada da streamlined jiki siffar, gaban ƙege da ɓamɓaroki, gamsai-arziki fata da kuma gill numfasawa.

Basics na rarrabuwa

Wadannan na cikin ruwa dabbobi za a iya harhada bisa ga daban-daban sharudda. Da farko, kifi yana dauke da wani rarrabuwa na tsarin fasali. Dangane da wannan rarrabe aji na guringuntsi da kashi. karshe wakilan da karin ci-gaba fasali na tsarin da kuma ƙarfi. Saboda haka, a cikin wannan din hadin kai da aka har yanzu ware wani adadin raka'a.

Bisa ga filin na yin amfani da rarrabe ornamental da abinci da kifi. Mutumin farko bred a aquariums da tafkunan a matsayin ado ado. Wannan Angelfish, Catfish, Neon, guppies, barbs, da kuma waɗansu da yawa. Commercial kifi mutumin bred for adam amfani. An dade da nama da kuma qwai ne mai matuqar wahala qwarai fi so, kuma kitse - mai muhimmanci da miyagun ƙwayoyi.

Akwai kuma muhalli rarrabuwa na kifi. Yana daukan la'akari da yanayin da mazauninsu. Yana iya zama daban-daban na jikin ruwa: sabo ne, teku, ko teku.

Kama wani kifi babban da kuma ...

Nau'in kasuwanci kifi daukan la'akari kuma da size. Daga wannan siffa dogara a kan hanyar da kama da kuma m ajiya na raw kayan. By nauyi da kuma size rarrabe kananan, matsakaici da kuma manyan kifaye. Kowace daga cikin wadannan kungiyoyin yana da nasa muhimmanci da halaye. Alal misali, sprats bambanta m dandano da ake amfani da ko'ina a masana'antun sarrafa kayayyakin abinci, duk da sosai kananan size.

Domin sayar da kifi gastronomic Properties ne na musamman muhimmancin. Saboda haka, suna bambanta da yawan kitsen. Alal misali, cod, hake navaga kuma wannan nuna alama bai wuce 4%. Irin wannan nau'in, ana daukarsu a low-mai ko siranta. A mafi kudi a kan tushen zaton sprat, mackerel, herring, saury, sturgeon da stellate sturgeon. Su kitsen bangaren muhimmanci wuce matakin na 8%.

A kayayyaki Research amfani da manufar "jinsunan" da "iyali." Kifi, kifi rarrabuwa ƙaddara da ciniki ayyuka sau da yawa dangane da waje da ãyõyinMu. Alal misali, Herring iyali kawo tare, a cikin abin da jiki ne laterally matsa da Sikeli da dama da yardar kaina. Irin kifi suna hana a kaikaice line. Bã su da wani guda dorsal filafilin kifi da wutsiya yana da wani rarrabe daraja. Wannan iyali hada herring, sprat, sprat, sprats.

Ilimin Halittar Jiki rarrabuwa na kifi: tebur

An yi imani da cewa idan ya kasu kashi azuzuwan na kifi aka ɗauke shi zuwa lissafi kawai fasali na kwarangwal tsarin. Amma wannan ba gaskiya ba ne. Basics ilimin Halittar Jiki rarrabuwa da aka bã a tebur.

mazauninsu

Nau'in kifi habitats ma ma'anar da dama kungiyoyin. Na farko shi ne marine mazaunan. Yana fama, herring, halibut, mackerel, cod. Ruwa tare kifi ne irin kifi, sturgeon, irin kifi, bano, irin kifi. Sun ciyar da dukan rayuwarsu a mazauninsu inda a can ne su spawning. M ayyuka na wadannan kungiyoyin dogara a kan muhalli, gwargwado. Saboda haka, idan marine kifi ƙaura zuwa sabo ruwa, suka sauri mutu.

migratory kifi

kifi mazauninsu rarrabuwa da kuma salon hada da wani rukunin da ake kira Globe. Yana hada da wakilan na superclass cewa rayuwa a cikin teku, amma spawn a sabo ruwa tafiyarsu. Wannan sturgeon da kuma kifi. Irin wannan anadromous kifi da ake kira anadromous. Amma eels a lokacin spawning suna tafiya a gaban shugabanci - daga kogin zuwa teku. Waɗannan su ne hankula wakilan catadromous kifi.

Ta wajen yin wannan da wuya hanya, tafiya-ta hanyar wakilan an rasa mai yawa makamashi. Sun yi iyo da komowar ruwa, cin nasara da Rapids, waterfalls. Duk wannan lokaci ba su ci, kuma ku ciyar da kansa ajiye kitsen da kuma gina jiki. Saboda haka, mutane da yawa migratory kifi iyo a wuri na haifuwa, spawn kuma mutu. A m zamanka baya riga juveniles. Shi ne har yanzu asiri yadda kifi nemi hanya gida. Sauran su ne iya spawn sau da yawa a lokacin rayuwarsu. A lokacin spawning na da yawa kifi waje metamorphoses. Alal misali, a kifi tsiro a hump a kan baya, lankwasa muƙamuƙi.

Saboda haka, rarrabuwa na kifi dogara ne a kan da dama halaye. Wadannan su ne siffofin da kwarangwal da ciki tsari, size, mai abun ciki, mazauninsu, salon, da ikon yinsa, daga amfani.