Cucut biru

Cucut biru (atawa nama latènnya Prionace glauca) nya'entu jenis cucut deri kulawarga Carcharhinidae, nyeng cendakom di laot daèrah panas ama daèrah rada panas di seantèro dunia. Ni cucut suka ama aèr nyeng atisan^[1] terus bisa mérad ampé Inggris Anyar ampé ke Amrik Kidul. Cucut biru digolongin jadi macem nyeng keancem ama IUCN.

Walopun romannya pelan, cucut biru gableg ngojay nyeng gesit. Cucut biru entu satwa beranak nyeng bisa mberojolin 25 ampé 100 anak lebi sekali berojol. Panganan utamanya entu ikan nyeng kecit ama cumi, walo kot-kotan gè' makan mangsa nyeng gedéan. Ni cucut dinyahoin gableg idup ampé lebi deri 20 taon.^[2]

Tampang

Cucut biru awaknya terang nyeng sirip gegernya panjang. Kaya' kebanyakan cucut, ni cucut ada punya warna nyeng beda jau: awak atasnya biru gelap, samping ama bawanya terang keputian. Cucut lanang ada punya panjang 1,82-2,82m pas gedénya, kalo cucut wadonnya gedéan, 2,2-3,3m pas gedénya.^[3] Macem nyeng gedéan bisa numbu ampé 3,8m. Kot-kotan, cucut biru ukurannya gedéan, ada pengabaran kalo panjangnya ampé 6,1m, walo ga ada pengabaran nyeng ilmiahnya. Cucut biru awaknya langsing cuma beratnya 27-55kg bakal cucut lanang terus 93-182kg bakal cucut wadonnya.^[4]^[5]^[6] Panjang betina bisa mencapai 3 m (9,8 ft) dan berat 204 kg (450 lb). Spesimen hiu terberat sebesar 391 kg (862 lb).^[7] Ni cucut keitung satwa bedara dingin terus gableg idung nyeng bisa mambu nyeng laèn deri nyeng laèn.

Mata
Rahang
Gigi atas
Gigi bawah

Kawin

Cucut biru entu satwa nyeng beranak, bolé mberojolin 4 ampé 135 anak sekali berojol. Wayah bunting entu 9 ampé 12 bulan. Cucut wadon gedé pas umurnya lima ampé enem taon, kalo cucut lanang gedé pas umurnya empat ampé lima taon. Cara ni cucut kawin tu wayah cucut lanang nyakot kulit cucut wadon, soalnya cucut nyeng uda gedé bisa dikenalin ngiat ke ada atawa ga'nya bekas cakotan. Cucut biru wadon uda ngepasin awak ama tu cara kawin. Caranya entu numbuin kulit nyeng tiga kali tebelan deri kulit cucut lanangnya.^[1]

Timbal balik cucut biru ama lingkungan

Tempat tinggal

Cucut biru entu cucut nyeng ditemuin di daèrah pelagik di peraèran nyeng iklimnya sedeng ama panas deri muka aèr ampé 350m ke dalem laot.^[8] Di laot nyeng iklimnya sedeng, dia bolé ngojay ndeketin panté terus bisa aja dia ngiat tukang tilem; kalo di peraèran panas, dia tinggalnya rada daleman. Tempat tinggalnya mulain deri Norwèhen di lor terus Cili di kidul. Cucut biru ditemuin di panté saban benua, selaèn benua Kutub Kidul. Di Laotan Teduh dia pada banyak ditemuin di antara 20°-50°LL, cuma dengen perobaan musim nyeng kuat. Di daèrah panas, dia ngampar rata di antara 20°LL ampé 20°LK.^[1] Dia suka suhu aèr antara 12°-20°C, cuma bisa juga' idup di aèr nyeng suhunya 7°-25°C.

Referensi

↑ ^a ^b ^c Compagno, Leonard J. V. (1984). Sharks of the World: An annotated and illustrated catalogue of shark species known to date (PDF). Food and Agriculture Organization of the United Nations. h. 521–524, 555–61, 590.
↑ Sharks, Emerging Species Profile Sheets, published by the Department of Fisheries and Aquaculture, Government of Newfoundland and Labrador in Emerging Species Profile Sheets. Department of Fisheries and Aquaculture, Canada. Archived Oktober 7, 2013, at the Wayback Machine
↑ FLMNH Ichthyology Department: Blue Shark Archived 2013-05-17 at the Wayback Machine. Flmnh.ufl.edu. Retrieved on 2012-12-19.
↑ Blue Shark (Prionace glauca) – Ireland's Wildlife Archived 2013-04-21 at the Wayback Machine. Irelandswildlife.com (2011-07-21). Retrieved on 2012-12-19.
↑ Sharks – Greenland (Somniosus microcephalus), Shortfin Mako (Isurus oxyrinchus), Blue Shark (Prionace glauca), Basking Shark (Cetorhinus maximus), and Porbeagle (Lamna nasus). Archived Oktober 7, 2013, at the Wayback Machine fishaq.gov.nl.ca
↑ Sea Angling in Ireland – Blue Shark. Sea-angling-ireland.org (2006-10-21). Retrieved on 2012-12-19.
↑ Summary of Large Blue Sharks Prioncae glauca (Linnaeus, 1758) in progress. elasmollet.org (March 2008)
↑ Sablonan:FishBase species

[FAO-1] Compagno, Leonard J. V. (1984). Sharks of the World: An annotated and illustrated catalogue of shark species known to date (PDF). Food and Agriculture Organization of the United Nations. h. 521–524, 555–61, 590.

[2] Sharks, Emerging Species Profile Sheets, published by the Department of Fisheries and Aquaculture, Government of Newfoundland and Labrador in Emerging Species Profile Sheets. Department of Fisheries and Aquaculture, Canada. Archived Oktober 7, 2013, at the Wayback Machine

[flmnh-3] FLMNH Ichthyology Department: Blue Shark Archived 2013-05-17 at the Wayback Machine. Flmnh.ufl.edu. Retrieved on 2012-12-19.

[4] Blue Shark (Prionace glauca) – Ireland's Wildlife Archived 2013-04-21 at the Wayback Machine. Irelandswildlife.com (2011-07-21). Retrieved on 2012-12-19.

[5] Sharks – Greenland (Somniosus microcephalus), Shortfin Mako (Isurus oxyrinchus), Blue Shark (Prionace glauca), Basking Shark (Cetorhinus maximus), and Porbeagle (Lamna nasus). Archived Oktober 7, 2013, at the Wayback Machine fishaq.gov.nl.ca

[6] Sea Angling in Ireland – Blue Shark. Sea-angling-ireland.org (2006-10-21). Retrieved on 2012-12-19.

[7] Summary of Large Blue Sharks Prioncae glauca (Linnaeus, 1758) in progress. elasmollet.org (March 2008)

[fishbase-8] Sablonan:FishBase species

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