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Zanen Crown-of-thorns starfish
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Crown-of-thorns starfish

Acanthaster planci
Game da sunan: Its common name comes from the long, thornlike spines that cover its upper surface, which resemble the biblical crown of thorns.1
Yana buƙatar likitaKada ka taɓaBa kasafai yake kisa ba, amma idan ƙayoyinsa suka soke ka, ka je wurin likita.
Sea urchins, kifin tauraro da tsutsotsi Ƙayoyi masu dafiAbinci: Nama
Haɗari ga mutane: Mai tsananiIdan ƙayoyinsa suka soke ka, ka je wurin likita. Mutuwa ba kasafai take faruwa ba.

The crown-of-thorns starfish is a large starfish with long, sharp spines that look like a crown of thorns. It lives on coral reefs across the Indo-Pacific, from the Red Sea to the west coast of Central America, and it is most common around Australia. It feeds on hard coral, so it can change the reefs it lives on.1

Yana zaune a
Indo-Pacific: Red Sea, East African coast, Indian Ocean, Pacific Ocean to west coast of Central America; most common around Australia1
Tekun Indiya, Tekun Pasifik, Bahar Maliya, Tekun Coral, Tekun Philippines, Tekun Kudancin China, Tekun Andaman, Tekun Arabiya da Mashigin Farisa, Tekun Timor da Arafura, Gaɓar Tekun Bengal
Gida
It lives where coral reefs or hard coral communities occur in tropical and subtropical waters.1
Tsawo
25 cm zuwa 35 cm (9.8 in zuwa 1.1 ft)1
Mafi girman sauri
kusan 0.02 km/h (0.01 mph)
Iyo, ƙiyasi
Me yake ci?
It is a coral predator that climbs onto living coral using its tube feet and pushes its stomach out over the coral. Digestive enzymes turn the coral tissue into liquid, which it absorbs, leaving a white scar of bare skeleton.1
Da gaske!Hoton Crown-of-thorns starfish
Crown-of-thorns starfish. Hoto: John Hepburn. CC BY 4.0, Wikimedia Commons.

Yadda za ka gane shi

  • Adults are normally 25 to 35 cm across.1
  • Up to 21 arms, with long, stiff, very sharp spines that are 4 to 5 cm long on the top and sides of the arms.1
  • Colour varies with diet or region: purple, purple-blue, reddish grey or brown with red spine tips, or green with yellow spine tips.1
  • The body is flexible and can bend and twist around coral surfaces.1

Ana yawan rikita shi da: A close relative, Acanthaster brevispinus, lives on soft sea floors at moderate depths rather than on coral reefs. The two are considered sibling species.1

Ƙarfin dafi

Ƙayoyi masu dafi

Ƙayoyi masu kaifi ne ke ɗauke da dafin. Taka shi ko kama shi yana ciwo.

Me dafinsa yake yi?

The spines do not inject venom. When they pierce skin, tissue containing saponins (detergent-like chemicals) is left in the wound. In humans this causes a sharp, stinging pain that can last several hours, persistent bleeding, and nausea and swelling that may last a week or more.1

Yaya haɗarinsa yake ga mutane?

Haɗari ga mutane: Mai tsananiIdan ƙayoyinsa suka soke ka, ka je wurin likita. Mutuwa ba kasafai take faruwa ba.

The spines can cause sharp pain, long-lasting bleeding, nausea and swelling. Brittle spines can break off and stay in the tissue.1

Idan ƙayoyinsa suka soke ka

  • Spines that become embedded in the tissue must be removed surgically.1
  • Ka saka raunin cikin ruwan zafi, mai zafi iyakar yadda mutumin zai iya jurewa ba tare da ya ƙone ba, kuma ka nemi taimakon likita don cire ƙayoyin. Kada ka tona su da kanka.

Kullum ka fara kiran lambar gaggawa (112, 000, 911). Wannan jagorar agajin gaggawa ce ta gaba ɗaya, ba shawarar likita ba. Muhimman abubuwan agajin gaggawa

Kiyaye lafiya

  • Kada ka taɓa, kada ka kama, kada ka tsokani dabbar daji, ko da ƙarama ce, kuma ko da tana kama da tana barci ko ta mutu.
  • Ka ba shi sarari. Idan ka haɗu da ɗaya, ka natsu, ka koma baya a hankali kuma ka bar shi ya bi hanyarsa.
  • Idan ƙayoyinsa suka soke ka: ka natsu, ka zauna ba motsi, ka kira lambar gaggawarka (112, 000, 911) ko ka je asibiti da sauri. Ka tuna yadda yake, hoto yana taimakawa.

Ba ya neman cutar da kai. Yana amfani da dafinsa don kama abinci ko don kare kansa, kuma ya fi son ya ɓuya. Ƙarin bayani game da kiyaye lafiya

A ina a duniya?

AfirkaAsiyaTuraiArewacin AmurkaKudancin AmurkaOstareliya da OceaniaTekun PasifikTekun IndiyaBahar MaliyaTekun CoralTekun Kudancin ChinaTekun PhilippinesTekun AndamanTekun Arabiya da Mashigin FarisaTekun Timor da ArafuraGaɓar Tekun Bengal

Yaya girmansa yake?

Yaya tsawonsa yake?

Crown-of-thorns starfish tsawonsa kusan 35 cm (1.1 ft)Ayaba kusan 18 cm (7.1 in)Kyanwar gida kusan 50 cm (1.6 ft)
tsawon tubalan gini na wasa 11 a jereya fi katantanwar lambu jinkiri

Yaya girman Crown-of-thorns starfish yake idan aka kwatanta da KAI?

Lissafi ne kawai a cikin burauzarka. Ba a adana komai ko a aika ko'ina.

Yaya saurinsa yake?

abin da ya kamata a sani

Bayanai

1

An individual starfish can consume up to 6 square metres of living coral reef per year.1

2

When taken out of water, its soft body ruptures and collapses, but its spines can recover their shape if it is put back in the water while still alive.1

3

Its body contains detergent-like saponins, so keeping starfish in small volumes of water with aeration produces large amounts of foam.1

4

It is one of the largest starfish in the world.1

5

It has lost the usual five-fold symmetry of starfish as it grew more arms, although it begins life with five-fold symmetry.1

Mai karya tatsuniya

Tatsuniya: Its spines inject venom like a snake or stinging animal.

Gaskiya: It has no mechanism for injecting toxin. Its spines pierce skin and leave saponin-containing tissue in the wound.1

Don ƙwararru a kan dafi

Sunan kimiyya
Acanthaster planci
Rukuni
Sea urchins, kifin tauraro da tsutsotsi
Iyali
Acanthasteridae2
Tsari
Valvatida
Nahiyoyi
Tekun Indiya, Tekun Pasifik, Bahar Maliya, Tekun Coral, Tekun Philippines, Tekun Kudancin China, Tekun Andaman, Tekun Arabiya da Mashigin Farisa, Tekun Timor da Arafura, Gaɓar Tekun Bengal, Tekuna
Jarirai
It releases vast amounts of eggs and sperm (gametes) during mass spawning events in summer, and the eggs contain saponins similar to those in adults.1
Haɗari ga mutane
3 / 5: Mai tsanani3

Inda bayanan suka fito

  1. Crown-of-thorns starfish (Wikipedia (CC BY-SA 4.0))
  2. Acanthaster planci (iNaturalist): sunaye da rarrabuwa.
  3. Venom Wiki: matakin haɗari, girman al'ada da ƙiyasin sauri namu ne. Ga yadda muke lissafa su: Yadda muke auna haɗari.

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