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Setshwantsho sa khathune sa Horn shark
Nom. 1261 ya 1 402

Horn shark

Heterodontus francisci
Ka ga leina: The scientific name francisci refers to San Francisco, although the shark's range does not reach that far north.1
Ga e na kotsiGa e na kotsi go batho. Ga go na sepe se o tshwanetseng go tshwenyega ka sone.
Ditlhapi tse di tsenyang botlhole Mitlwa ya botlholeE ja: Nama
Kotsi go batho: Kotsi e nnyeJaaka go tlhabiwa ke notshe kgotsa go le kwa tlase. Ga e na kotsi go batho.

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

E tshela kwa
Eastern Pacific coast of North America, from Monterey Bay in California south to the Gulf of California1
Lewatle la Pacific, Gulf ya California
Gae
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
Boleele
1,2 m (3,9 ft)1
Lebelo le le kwa godimo
e ka nna 20 km/h (12 mph)
Go thuma, kakanyo fela
E ja eng?
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
Ka nnete!Setshwantsho sa Horn shark
Horn shark. Setshwantsho: Chad King / SIMoN NOAA, no known copyright restrictions (public domain). Public domain, iNaturalist.

Tsela ya go e lemoga

  • 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

Maatla a botlhole

Mitlwa ya botlhole

Mitlwa e e bogale e rwala botlhole. Go e gata kgotsa go e tshwara go a utlwisa botlhoko.

E kotsi go le kae go batho?

Kotsi go batho: Kotsi e nnyeJaaka go tlhabiwa ke notshe kgotsa go le kwa tlase. Ga e na kotsi go batho.

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

E dira eng fa e tshogile?

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

Fa mitlwa ya yone e go tlhaba

  • Tsenya ntho mo metsing a a mogote, a a bollo jo motho a ka bo itshokang a sa fiswe (a leke ka seatla sa gago pele), metsotso e le 30 go ya go 90. Batla thuso ya bongaka, bogolo jang go ditlhapi tsa lefika le distingrei.

Ka gale leletsa nomoro ya gago ya tshoganyetso pele (112, 000, 911). Se ke kaelo e e akaretsang ya thuso ya ntlha, ga se kgakololo ya bongaka. Motheo wa thuso ya ntlha

Nna o babalesegile

  • O se ka wa ama, wa tshwara kgotsa wa tshwenya phologolo ya naga, le fa e le e nnye, le fa e lebega e robetse kgotsa e sule.
  • E fe sebaka. Fa o kopana le yone, ritibala, boela morago ka bonya mme o e tlogele e tsamaye ka tsela ya yone.
  • Fa mitlwa ya yone e go tlhaba: ritibala, o se ka wa tshikinyega, leletsa nomoro ya gago ya tshoganyetso (112, 000, 911) kgotsa o ye bookelong ka bonako. Gopola gore e ne e lebega jang, setshwantsho se a thusa.

Ga e go batle. E dirisa botlhole jwa yone go tshwara dijo kgotsa go itshireletsa, mme e rata go iphitlha go feta. Go le gontsi ka go nna o babalesegile

Kae mo lefatsheng?

AforikaAsiaYuropaAmerika BokoneAmerika BorwaAustralia le OceaniaLewatle la PacificGulf ya California

E kgolo go le kae?

E telele go le kae?

Horn shark e ka nna 1,2 m ka boleele (3,9 ft)Ntša e ka nna 1 m (3,3 ft)Motho yo mogolo e ka nna 1,7 m (5,6 ft)
boleele jo bo lekanang le dikatse tsa ntlo di le 2,5 go tloga kwa nkong go ya mogatlengboleele jo bo lekanang le dipanana di le 7 di latelanae ka thuma boleele jwa bodiba jo bogolo jwa go thuma (50 m) ka metsotswana e le 9

Horn shark e kgolo go le kae fa e bapisiwa le WENA?

Ke dipalo fela mo sefetleng sa gago (browser). Ga go sepe se se bolokwang kgotsa se se romelwang gope.

E bonako go le kae?

go botlhokwa go itse

Dintlha

1

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

2

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

3

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

4

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

5

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

6

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

Ya baitseanape ba botlhole

Leina la saense
Heterodontus francisci
Setlhopha
Ditlhapi tse di tsenyang botlhole
Lelapa
Heterodontidae2
Lekoko
Heterodontiformes
Dikontinente
Lewatle la Pacific, Gulf ya California, Mawatle
Masea
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
Seemo sa yone kwa nageng
Insufficient data (IUCN); population listed as stable on 10 October 20251
Kotsi go batho
1 / 5: Kotsi e nnye3

Kwa dintlha di tswang teng

  1. Horn shark (Wikipedia (CC BY-SA 4.0))
  2. Heterodontus francisci (iNaturalist): maina le thulaganyo ya mefuta.
  3. Venom Wiki: seelo sa kotsi, bogolo jo bo tlwaelegileng le kakanyo ya lebelo ke tsa rona. Bona kafa re di balang ka teng: Kafa re lekanyang kotsi ka teng.

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Tse dingwe tsa setlhopha se se tshwanang: Ditlhapi tse di tsenyang botlhole

Reef stonefishDitlhapi tse di tsenyang botlholeE ka bolayaO se ka wa amaRed lionfishDitlhapi tse di tsenyang botlholeE tlhoka ngakaO se ka wa amaEstuarine stonefishDitlhapi tse di tsenyang botlholeE ka bolayaO se ka wa amaShort-tail stingrayDitlhapi tse di tsenyang botlholeE ka bolayaStriped eel catfishDitlhapi tse di tsenyang botlholeE ka bolayaO se ka wa amaBluespotted ribbontail rayDitlhapi tse di tsenyang botlholeE tlhoka ngaka

E tshela gape kwa: Lewatle la Pacific

Australian box jellyfishDijelifishi le dibopiwa tsa lewatle tse di tlhabangE a bolayaO se ka wa amaGeography coneDikgopa tsa khouno le diokotopaseE a bolayaGreater blue-ringed octopusDikgopa tsa khouno le diokotopaseE a bolayaJapanese pufferfishDiphologolo tse dingwe tse di botlhole go di ama kgotsa go di jaE a bolayaSouthern blue-ringed octopusDikgopa tsa khouno le diokotopaseE a bolayaHawksbill sea turtleDiphologolo tse dingwe tse di botlhole go di ama kgotsa go di jaE ka bolaya
Fepa phephengnkgwana ya dimpho, e e dira mahala