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Cartoon ng Port Jackson shark
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Port Jackson shark

Heterodontus portusjacksoni
Tungkol sa pangalan: The genus name Heterodontus comes from Greek words meaning 'different' and 'tooth', which refers to its teeth.1
Hindi nakapipinsalaHindi nakapipinsala sa tao. Walang dapat ikabahala.
Mga makamandag na isda Makamandag na tinikKinakain: Karne
Panganib sa tao: BanayadParang kagat ng bubuyog o mas mahina. Halos hindi nakapipinsala sa tao.

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

Nakatira sa
Temperate coastal waters of southern Australia, from southern Queensland to Tasmania and west to central Western Australia.1
Karagatang Indiyano, Karagatang Timog, Antarctica
Home
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
Haba
1.6 m (5.4 ft)1
Pinakamataas na bilis
mga 22 km/h (14 mph)
Paglangoy, tantiya lang
Ano ang kinakain nito?
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
Totoo!Litrato ng Port Jackson shark
Port Jackson shark. Litrato: Mark Norman / Museum Victoria. CC BY 3.0, Wikimedia Commons.

Paano ito makikilala

  • 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

Lakas ng kamandag

Makamandag na tinik

May dalang kamandag ang matatalim na tinik. Masakit kapag naapakan o nahawakan ito.

Gaano ito kapanganib sa tao?

Panganib sa tao: BanayadParang kagat ng bubuyog o mas mahina. Halos hindi nakapipinsala sa tao.

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

Kung matusok ka ng mga tinik nito

  • Ilubog ang sugat sa mainit na tubig, kasing-init ng kayang tiisin ng tao nang hindi napapaso (subukan muna gamit ang sarili mong kamay), sa loob ng 30 hanggang 90 minuto. Kumuha ng tulong medikal, lalo na para sa stonefish at pagi.

Laging tawagan muna ang numero pang-emergency (112, 000, 911). Ito ay pangkalahatang gabay sa pangunang lunas, hindi payong medikal. Mga batayan ng pangunang lunas

Mag-ingat

  • Huwag kailanman hawakan, hulihin o asarin ang ligaw na hayop, kahit maliit, at kahit mukha itong tulog o patay.
  • Bigyan ito ng espasyo. Kung makasalubong ka ng isa, manatiling kalmado, dahan-dahang umatras at hayaan itong umalis.
  • Kung matusok ka ng mga tinik nito: manatiling kalmado, huwag gumalaw, tawagan ang numero pang-emergency (112, 000, 911) o pumunta agad sa ospital. Tandaan ang itsura nito, makakatulong ang litrato.

Hindi ka nito hinahabol. Ginagamit nito ang kamandag para manghuli ng pagkain o ipagtanggol ang sarili, at mas gusto pa nitong magtago. Higit pa tungkol sa pag-iingat

Gaano ito kalaki?

Gaano ito kahaba?

Port Jackson shark mga 1.6 m ang haba (5.4 ft)Isang aso mga 1 m (3.3 ft)Isang matanda mga 1.7 m (5.6 ft)
kasinghaba ng 3 pusang bahay mula ilong hanggang buntotkasinghaba ng 9 saging na magkakadugtongkayang languyin ang haba ng malaking swimming pool (50 m) sa loob ng 8.2 segundo

Gaano kalaki si Port Jackson shark kumpara sa IYO?

Math lang sa browser mo. Walang sine-save o ipinapadala kahit saan.

Gaano ito kabilis?

magandang malaman

Mga fact

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

Myth buster

Mito: Port Jackson sharks are dangerous to people.

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

Para sa mga eksperto sa kamandag

Pangalang siyentipiko
Heterodontus portusjacksoni
Grupo
Mga makamandag na isda
Pamilya
Heterodontidae2
Ayos
Heterodontiformes
Mga kontinente
Karagatang Indiyano, Karagatang Timog, Antarctica, Ang mga karagatan
Mga sanggol
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
Kalagayan nito sa ligaw
Least Concern (IUCN Red List)1
Panganib sa tao
1 / 5: Banayad3

Saan galing ang mga fact

  1. Port Jackson shark (Wikipedia (CC BY-SA 4.0))
  2. Heterodontus portusjacksoni (iNaturalist): mga pangalan at klasipikasyon.
  3. Venom Wiki: sarili naming tantiya ang antas ng panganib, karaniwang laki at hula sa bilis. Tingnan kung paano namin ito kinukuwenta: Paano namin sinusukat ang panganib.

Bawat fact sa pahinang ito ay may numerong tumuturo sa pinagmulan nito. Kung may mali kami, pasensya na, mahilig lang kami sa hayop, hindi kami science journal. Sabihin sa amin sa [email protected] at aayusin namin.

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Nakatira rin sa: Karagatang Indiyano

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