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Setshwantsho sa khathune sa Port Jackson shark
No. 1260 ho 1 402

Port Jackson shark

Heterodontus portusjacksoni
Ka lebitso: The genus name Heterodontus comes from Greek words meaning 'different' and 'tooth', which refers to its teeth.1
Ha e na kotsiHa e na kotsi ho batho. Ha ho letho la ho tshwenyeha.
Ditlhapi tse nang le chefo Meutlwa e nang le chefoE ja: Nama
Kotsi ho batho: E bobebeJwaloka ho hlajwa ke notshi kapa ho fetang moo. Ha e na kotsi ho batho.

The Port Jackson shark is a bottom-dwelling shark that lives in the cool coastal waters of southern Australia. It is active mostly at night, when it hunts shellfish, sea urchins and fish. It is harmless to people, though its spines have a reputation that is not confirmed.1

E phela
Temperate coastal waters of southern Australia, from southern Queensland to Tasmania and west to central Western Australia.1
Lewatle la India, Lewatle la Borwa, Antarctica
Lapeng
It lives on or near the sea bottom, mostly over rocky ground, though it also uses sandy, muddy and seagrass areas. By day it rests in flat areas that offer shelter from currents, including caves and under rocky outcrops. It usually lives at depths of less than 100 metres.1
Bolelele
1,6 m (5,4 ft)1
Lebelo le phahameng
e ka bang 22 km/h (14 mph)
Ho sesa, kakanyo feela
E ja eng?
It eats hard-shelled molluscs, crustaceans, sea urchins and fish. It forages at night, when its prey is most active, and can suck in water and sand from the bottom to catch food. Black sea urchins are often eaten.1
Ka nnete!Foto ya Port Jackson shark
Port Jackson shark. Foto: Mark Norman / Museum Victoria. CC BY 3.0, Wikimedia Commons.

Ho e tseba jwang

  • Grey-brown body with dark brown, harness-like bands, including one that runs across the eyes.1
  • Large, blunt, flat head with raised ridges above the eyes.1
  • A spine at the front edge of each of its two dorsal fins, which are nearly equal in size.1
  • Front teeth are small and pointed, while back teeth are flat and blunt.1
  • Adults can grow up to 1.65 metres long.1

Matla a chefo

Meutlwa e nang le chefo

Meutlwa e bohale e nka chefo. Ho e hata kapa ho e tshwara ho bohloko.

E kotsi hakae ho batho?

Kotsi ho batho: E bobebeJwaloka ho hlajwa ke notshi kapa ho fetang moo. Ha e na kotsi ho batho.

The shark poses no danger to humans. In October 2011, a man was bitten at Elwood Beach near Melbourne, but the bite did not pierce the skin and he was able to swim away while the shark was still attached to his calf.1

Haeba meutlwa ya yona e o hlaba

  • Kenya leqeba metsing a tjhesang, a tjhesang hoo motho a ka a mamellang ntle le ho tjha (a leke ka letsoho la hao pele), metsotso e 30 ho isa ho e 90. Fumana thuso ya bongaka, haholoholo bakeng sa di-stonefish le di-stingray.

Kamehla letsetsa nomoro ya tshohanyetso pele (112, 000, 911). Ena ke tataiso e akaretsang ya thuso ya pele, hase keletso ya bongaka. Metheo ya thuso ya pele

Dula o bolokehile

  • O se ke wa ama, wa tshwara kapa wa tena phoofolo ya naheng, leha e le e nyenyane, le leha e shebahala e robetse kapa e shwele.
  • E fe sebaka. Ha o kopana le yona, dula o kgutsitse, kgutlela morao butle mme o e tlohele e tsamaye ka tsela ya yona.
  • Haeba meutlwa ya yona e o hlaba: dula o kgutsitse, o se ke wa sisinyeha, letsetsa nomoro ya tshohanyetso (112, 000, 911) kapa o ye sepetlele kapele. Hopola hore e ne e shebahala jwang, foto e a thusa.

Ha e o batle. E sebedisa chefo ya yona ho tshwara dijo kapa ho itshireletsa, mme e kgetha ho ipata. Ho eketsehileng ka ho dula o bolokehile

Hokae lefatsheng?

AfrikaAsiaYuropaAmerika LeboyaAmerika BorwaAustralia le OceaniaAntarcticaLewatle la IndiaLewatle la Borwa

E kgolo hakae?

E telele hakae?

Port Jackson shark bolelele ba e ka bang 1,6 m (5,4 ft)Ntja e ka bang 1 m (3,3 ft)Motho e moholo e ka bang 1,7 m (5,6 ft)
e telele jwaloka dikatse tsa lapeng tse 3 ho tloha nkong ho isa mohatlenge telele jwaloka dibanana tse 9 tse latellanange ka sesa bolelele ba letangwane le leholo la ho sesa (50 m) ka metsotswana e 8,2

Port Jackson shark e kgolo hakae ha e bapiswa le WENA?

Ke dipalo feela ka hara sebatli sa hao. Ha ho letho le bolokwang kapa le romelwang kae kapa kae.

E potlaka hakae?

ho molemo ho tseba

Dintlha

1

It can turn its stomach inside out and spit out unwanted contents.1

2

It can breathe while lying still on the bottom. It pumps water in through its first gill slit and out through the others, so it does not need to swim with its mouth open.1

3

Juveniles have individual personalities. Some are bolder than others when exploring new places, and they respond differently to stress.1

4

Juveniles can learn to link bubbles, lights or sounds with food, and they can learn by watching other sharks.1

5

Adults are often seen resting together in caves, but juveniles do not seem to be social.1

6

Each year it migrates south in summer and returns north to breed in winter.1

Ho senya ditshomo

Tshomo: Port Jackson sharks are dangerous to people.

Nnete: The shark poses no danger to humans. Its spines are rumoured to be venomous, but this has not been confirmed.1

Bakeng sa ditsebi tsa chefo

Lebitso la saense
Heterodontus portusjacksoni
Sehlopha
Ditlhapi tse nang le chefo
Lelapa
Heterodontidae2
Tatelano
Heterodontiformes
Dikontinente
Lewatle la India, Lewatle la Borwa, Antarctica, Mawatle
Masea
It lays eggs rather than giving birth to live young. From late August to mid-November, the female lays pairs of eggs every 8 to 17 days, up to eight pairs in total, and the eggs take 10 to 11 months to hatch.1
Boemo ba yona naheng
Least Concern (IUCN Red List)1
Kotsi ho batho
1 / 5: E bobebe3

Moo dintlha di tswang teng

  1. Port Jackson shark (Wikipedia (CC BY-SA 4.0))
  2. Heterodontus portusjacksoni (iNaturalist): mabitso le tlhophiso.
  3. Venom Wiki: boemo ba kotsi, boholo bo tlwaelehileng le kakanyo ya lebelo ke tsa rona. Bona kamoo re di balang ka teng: Kamoo re lekanyang kotsi ka teng.

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