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Horn shark

Heterodontus francisci

Za dzinali: The scientific name francisci refers to San Francisco, although the shark's range does not reach that far north.1

YosavulazaYosavulaza anthu. Palibe chodandaula.

Nsomba zaululu

Minga yaululuImadya: Nyama

Ngozi kwa anthu: YofatsaNgati kulasidwa ndi njuchi kapena pang'ono kuposa pamenepo. Pafupifupi yosavulaza anthu.

The horn shark is a small shark with a blunt head and two tall fins, each with a large spine at the front. It lives along the western coast of North America, from California to the Gulf of California. It spends its days hidden in caves and crevices and hunts at night.1

Imakhala ku

Eastern Pacific coast of North America, from Monterey Bay in California south to the Gulf of California1

Nyanja ya Pacific, Gulf ya California

Kunyumba

Adults live in shallower water, usually 2 to 11 m deep, on rocky reefs and in algae beds. Juveniles prefer sandy flats in deeper water, 40 to 150 m deep. In winter, adults move to water deeper than 30 m.1

Kutalika

1,2 m (3,9 ft)1

Liwiro lapamwamba

pafupifupi 20 km/h (12 mph)

Kusambira, kuyerekeza chabe

Imadya chiyani?

Adults eat mostly hard-shelled molluscs, sea urchins and crustaceans, which they crush with their flat back teeth. They suck prey out of the sand and rocks, and can lever loose prey free with their body.1

Chithunzi cha Horn shark — Horn shark. Chithunzi: Chad King / SIMoN NOAA, no known copyright restrictions (public domain). Public domain, iNaturalist.

Mmene ungaizindikirire

Short, blunt head with low ridges over the eyes1
Two high dorsal fins, each with large, stout spines at the front1
Brown or grey body with many small dark spots, though older sharks may have no spots1
Yellowish underside1
Usually about 1 m long, and most do not exceed this length1

Mphamvu ya ululu

Minga yaululu

Minga yakuthwa imanyamula ululu. Kuiponda kapena kuigwira kumapweteka.

Ndi yoopsa bwanji kwa anthu?

Ngozi kwa anthu: YofatsaNgati kulasidwa ndi njuchi kapena pang'ono kuposa pamenepo. Pafupifupi yosavulaza anthu.

Horn sharks are harmless unless they are harassed. They are not targeted by commercial or recreational fisheries, though small numbers are caught by accident.1

Imachita chiyani ikachita mantha?

During the day they stay still in hiding places, but they swim away quickly if disturbed.1

Minga yake ikakubaya

Ika bala m'madzi otentha, otentha monga momwe munthuyo angapirire osapsa (yesa ndi dzanja lako), kwa mphindi 30 mpaka 90. Peza thandizo la dokotala, makamaka pa stonefish ndi stingray.

Nthawi zonse yamba wayimbira nambala yadzidzidzi (112, 000, 911). Awa ndi malangizo wamba a chithandizo choyamba, osati malangizo a dokotala. Zoyambira za chithandizo choyamba

Khala wotetezeka

Usakhudze, kugwira kapena kuseweretsa nyama yakuthengo, ngakhale yaing'ono, ndipo ngakhale ikuoneka ngati yagona kapena yafa.
Ipatse malo. Ukakumana nayo, khala chete, bwerera m'mbuyo pang'onopang'ono ndipo uilole ipite njira yake.
Minga yake ikakubaya: khala chete, usasunthe, imbira nambala yadzidzidzi (112, 000, 911) kapena pita kuchipatala mwachangu. Kumbukira m'mene inkaonekera, chithunzi chimathandiza.

Sikufuna kukuvulaza. Imagwiritsa ntchito ululu wake kugwira chakudya kapena kudziteteza, ndipo imakonda kwambiri kubisala. Zambiri za kukhala wotetezeka

Kuti padziko lapansi?

Africa Asia Ulaya Amereka ya Kumpoto Amereka ya Kumwera Australia ndi Oceania Nyanja ya Pacific Gulf ya California

Ndi yaikulu bwanji?

Ndi yaitali bwanji?

yaitali ngati amphaka apakhomo 2,5 mphuno ndi mchira motsatizanayaitali ngati nthochi 7 zoyalidwa motsatizanaingasambire kutalika kwa dziwe lalikulu losambira (50 m) m'masekondi 9

Horn shark ndi yaikulu bwanji poyerekeza ndi IWE?

Ndi masamu chabe mu msakatuli wako. Palibe chomwe chimasungidwa kapena kutumizidwa kwina.

Imathamanga bwanji?

Wosambira wa Olympics pafupifupi 8 km/h (5 mph)

Horn shark pafupifupi 20 km/h (12 mph)

Dolphin ikuthamanga ndi mphamvu zake zonse pafupifupi 35 km/h (22 mph)

zoyenera kudziwa

Mfundo

For its size, the horn shark has the strongest bite of any shark that has been measured.1

To pull prey loose, the shark pushes its head up with a downward stroke of its tail. No other shark has been seen doing this.1

Large horn sharks that eat many sea urchins can have purple-stained teeth and fin spines.1

A Pacific angelshark was filmed trying to swallow a juvenile horn shark, but spat it out because of the spines.1

Horn sharks have only 148 electroreceptors (ampullae of Lorenzini), far fewer than most sharks, which may have over 2,000. They rely mainly on smell to find food.1

A dropped tooth takes about 4 weeks to be replaced.1

Za akatswiri a ululu

Dzina la sayansi: Heterodontus francisci
Gulu: Nsomba zaululu
Banja: Heterodontidae2
Dongosolo: Heterodontiformes
Makontinenti: Nyanja ya Pacific, Gulf ya California, Nyanja zikuluzikulu
Ana akhanda: They lay eggs. From February to April, females lay up to 24 eggs, two at a time, every 11 to 14 days, and wedge the egg cases into crevices to protect them.1
Mmene ilili kuthengo: Insufficient data (IUCN); population listed as stable on 10 October 20251
Ngozi kwa anthu: 1 / 5: Yofatsa3

Kumene mfundo zimachokera

Horn shark (Wikipedia (CC BY-SA 4.0))
Heterodontus francisci (iNaturalist): mayina ndi magulu a sayansi.
Venom Wiki: mlingo wa ngozi, kukula wamba ndi kuyerekeza kwa liwiro ndi zathu. Ona mmene timazipezera: Mmene timayezera ngozi.

Mfundo iliyonse patsamba lino ili ndi nambala yosonyeza kochokera. Ngati talakwitsa, pepani, ndife okonda nyama, osati magazini a sayansi. Tiuze pa [email protected] ndipo tikonza.

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