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Ekifaananyi ekikubiddwa ekya Port Jackson shark
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Port Jackson shark

Heterodontus portusjacksoni
Ku linnya: The genus name Heterodontus comes from Greek words meaning 'different' and 'tooth', which refers to its teeth.1
Tekirina kabiTekirina kabi eri abantu. Tewali kya kweraliikirira.
Ebyennyanja eby'obusagwa Amaggwa ag'obusagwaKirya: Ennyama
Akabi eri abantu: KitonoNga okubojja kw'enjuki oba okutono okusingawo. Kumpi tekirina kabi eri abantu.

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

Kibeera mu
Temperate coastal waters of southern Australia, from southern Queensland to Tasmania and west to central Western Australia.1
Oseyani y'e Buyindi, Oseyani ey'Obukiikaddyo, Antakitika
Awaka
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
Obuwanvu
1,6 m (5,4 ft)1
Embiro ezisinga
nga 22 km/h (14 mph)
Okuwuga, kuteebereza bwokka
Kirya ki?
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
Ddala!Ekifaananyi kya Port Jackson shark
Port Jackson shark. Ekifaananyi: Mark Norman / Museum Victoria. CC BY 3.0, Wikimedia Commons.

Engeri y'okukitegeera

  • 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

Amaanyi g'obusagwa

Amaggwa ag'obusagwa

Amaggwa amasongovu ge galimu obusagwa. Okukirinnyako oba okukikwata kiruma.

Kirina akabi kenkana wa eri abantu?

Akabi eri abantu: KitonoNga okubojja kw'enjuki oba okutono okusingawo. Kumpi tekirina kabi eri abantu.

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

Amaggwa gaakyo bwe gakufumita

  • Teeka ekiwundu mu mazzi agookya, agookya nga omuntu bw'asobola okugumiikiriza nga tegamwokya (gagezese n'omukono gwo), okumala eddakiika 30 okutuuka ku 90. Funa obuyambi bw'abasawo, naddala ku stonefish ne stingray.

Bulijjo sooka kuba ennamba y'ebigwa bitalaze (112, 000, 911). Buno bulagirizi bwa bujjanjabi obusooka obwa bulijjo, si kuwabula kwa musawo. Obujjanjabi obusooka obw'omusingi

Weekuume

  • Tokwatako, tokwata wadde okusoomooza ensolo ey'omu nsiko, ne bw'eba ntono, era ne bw'eba erabika nga yeebase oba nga efudde.
  • Gireke n'ebbanga. Bw'osisinkana emu, beera mukkakkamu, dda emabega mpola era gireke egende mu kkubo lyayo.
  • Amaggwa gaayo bwe gakufumita: beera mukkakkamu, totambula, kuba ennamba y'ebigwa bitalaze (112, 000, 911) oba tuuka mu ddwaliro mangu. Jjukira bwe yali efaanana, ekifaananyi kiyamba.

Tekikunoonya. Kikozesa obusagwa bwakyo okukwata emmere oba okwekuuma, era kyandisinze kwekweka. Ebirala ku kwekuuma

Wa mu nsi?

AfirikaAsiyaBulaayaAmerika ey'ObukiikakkonoAmerika ey'ObukiikaddyoAwusitureeliya ne OseyaniyaAntakitikaOseyani y'e BuyindiOseyani ey'Obukiikaddyo

Kinene kyenkana wa?

Kiwanvu kyenkana wa?

Port Jackson shark kiwanvu nga 1,6 m (5,4 ft)Embwa nga 1 m (3,3 ft)Omuntu omukulu nga 1,7 m (5,6 ft)
kiwanvu nga kkapa ez'awaka 3 okuva ku nnyindo okutuuka ku mukirakiwanvu nga ndiizi 9 eziteekeddwa mu lunyiririkyandisobodde okuwuga obuwanvu bw'ekidiba ekinene (m 50) mu sikonda 8,2

Port Jackson shark kinene kyenkana wa bw'ogeraageranya ne GGWE?

Kubala bwokka mu browser yo. Tewali kitterekebwa wadde okusindikibwa wonna.

Kidduka kyenkana wa?

kirungi okumanya

Ebituufu

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

Omumenyi w'enfumo

Enfumo: Port Jackson sharks are dangerous to people.

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

Ku bakugu mu busagwa

Erinnya erya ssaayansi
Heterodontus portusjacksoni
Ekibinja
Ebyennyanja eby'obusagwa
Amaka
Heterodontidae2
Ensengeka
Heterodontiformes
Ssemazinga
Oseyani y'e Buyindi, Oseyani ey'Obukiikaddyo, Antakitika, Oseyani
Abaana abawere
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
Kiri kitya mu nsiko
Least Concern (IUCN Red List)1
Akabi eri abantu
1 / 5: Kitono3

Ebituufu we biva

  1. Port Jackson shark (Wikipedia (CC BY-SA 4.0))
  2. Heterodontus portusjacksoni (iNaturalist): amannya n'ensengeka y'ebika.
  3. Venom Wiki: omutendera gw'akabi, obunene obwa bulijjo n'okuteebereza kw'embiro bibyaffe. Laba engeri gye tubibalamu: Engeri gye tupimamu akabi.

Buli kituufu ku lupapula luno kirina ennamba eraga we kyava. Bwe tuba tukoze ensobi, tusonyiwe, tuli bayagazi ba nsolo, so si magazini ya ssaayansi. Tubuulire ku [email protected] tujja kugitereeza.

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Ebirala okuva mu kibinja kye kimu: Ebyennyanja eby'obusagwa

Reef stonefishEbyennyanja eby'obusagwaKisobola okuttaTokwatakoRed lionfishEbyennyanja eby'obusagwaKyetaaga omusawoTokwatakoEstuarine stonefishEbyennyanja eby'obusagwaKisobola okuttaTokwatakoShort-tail stingrayEbyennyanja eby'obusagwaKisobola okuttaStriped eel catfishEbyennyanja eby'obusagwaKisobola okuttaTokwatakoBluespotted ribbontail rayEbyennyanja eby'obusagwaKyetaaga omusawo

Era kibeera mu: Oseyani y'e Buyindi

Australian box jellyfishJellyfish n'ebibojja eby'ennyanjaKittaTokwatakoGeography coneCone snail ne octopusKittaGreater blue-ringed octopusCone snail ne octopusKittaSouthern blue-ringed octopusCone snail ne octopusKittaHawksbill sea turtleEnsolo endala ez'obutwaKisobola okuttaIrukandji jellyfishJellyfish n'ebibojja eby'ennyanjaKisobola okuttaTokwatako
Liisa enjabaekibbo ky'obuyambi, kigikuuma nga ya bwereere