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Crown-of-thorns starfish

Acanthaster planci

Nomi haqida: Its common name comes from the long, thornlike spines that cover its upper surface, which resemble the biblical crown of thorns.1

Shifokor kerakTegmaKamdan-kam halokatli, lekin tikanlari senga sanchilsa, shifokorga bor.

Dengiz tipratikanlari, dengiz yulduzlari va chuvalchanglar

Zaharli tikanlarOvqati: Goʻsht

Odamlar uchun xavf: JiddiyTikanlari senga sanchilsa, shifokorga bor. Oʻlim holatlari juda kam.

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

Yashash joyi

Indo-Pacific: Red Sea, East African coast, Indian Ocean, Pacific Ocean to west coast of Central America; most common around Australia1

Hind okeani, Tinch okeani, Qizil dengiz, Marjon dengizi, Filippin dengizi, Janubiy Xitoy dengizi, Andaman dengizi, Arabiston dengizi va Fors koʻrfazi, Timor va Arafura dengizi, Bengal koʻrfazi

Bosh sahifa

It lives where coral reefs or hard coral communities occur in tropical and subtropical waters.1

Uzunlik

25 cm dan 35 cm gacha (9,8 in dan 1,1 ft gacha)1

Eng yuqori tezlik

taxminan 0,02 km/soat (0,01 mil/soat)

Suzish, taxminiy

Nima yeydi?

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

Crown-of-thorns starfish surati — Crown-of-thorns starfish. Surat: John Hepburn. CC BY 4.0, Wikimedia Commons.

Uni qanday tanish mumkin

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

Koʻpincha adashtiriladi: 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

Zahar quvvati

Zaharli tikanlar

Oʻtkir tikanlar zahar tashiydi. Ustiga bosish yoki ushlash ogʻritadi.

Uning zahari (chaqsa yoki nish ursa) nima qiladi?

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

Odamlar uchun qanchalik xavfli?

Odamlar uchun xavf: JiddiyTikanlari senga sanchilsa, shifokorga bor. Oʻlim holatlari juda kam.

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

Agar tikanlari senga sanchilsa

Spines that become embedded in the tissue must be removed surgically.1
Yarani issiq suvga sol, odam kuymasdan chiday oladigan darajada issiq boʻlsin, va tikanlarni olib tashlash uchun tibbiy yordam ol. Ularni oʻzing kavlab olishga urinma.

Har doim avval favqulodda yordam raqamiga qoʻngʻiroq qil (112, 000, 911). Bu birinchi yordam boʻyicha umumiy maslahat, tibbiy maslahat emas. Birinchi yordam asoslari

Xavfsiz boʻl

Hech qachon yovvoyi hayvonga tegma, uni tutma yoki jigʻiga tegma, hatto kichkina boʻlsa ham va hatto uxlayotgan yoki oʻlik koʻrinsa ham.
Unga joy ber. Agar duch kelsang, xotirjam boʻl, sekin orqaga chekin va uni oʻz yoʻliga ketishiga qoʻy.
Agar tikanlari senga sanchilsa: xotirjam boʻl, qimirlamay tur, favqulodda yordam raqamiga qoʻngʻiroq qil (112, 000, 911) yoki tezda kasalxonaga yet. U qanday koʻrinishda ekanini eslab qol, surat yordam beradi.

U seni ovlamoqchi emas. Zaharini ovqat tutish yoki oʻzini himoya qilish uchun ishlatadi va yashirinishni ancha afzal koʻradi. Xavfsiz qolish haqida batafsil

Dunyoning qayerida?

Afrika Osiyo Yevropa Shimoliy Amerika Janubiy Amerika Avstraliya va Okeaniya Tinch okeani Hind okeani Qizil dengiz Marjon dengizi Janubiy Xitoy dengizi Filippin dengizi Andaman dengizi Arabiston dengizi va Fors koʻrfazi Timor va Arafura dengizi Bengal koʻrfazi

U qanchalik katta?

U qanchalik uzun?

qator terilgan 11 ta oʻyinchoq gʻishtdek uzunbogʻ shilliqqurtidan sekin

Crown-of-thorns starfish SEN bilan solishtirganda qanchalik katta?

Faqat brauzeringdagi hisob-kitob. Hech narsa saqlanmaydi va hech qayerga yuborilmaydi.

U qanchalik tez?

Dengiz otchasi taxminan 0,0015 km/soat (0 mph)

Crown-of-thorns starfish taxminan 0,02 km/soat (0,01 mph)

Bogʻ shilliqqurti taxminan 0,05 km/soat (0,03 mph)

bilish foydali

Faktlar

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

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

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

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

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

Afsonalarni fosh qiluvchi

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

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

Zahar mutaxassislari uchun

Ilmiy nomi: Acanthaster planci
Guruh: Dengiz tipratikanlari, dengiz yulduzlari va chuvalchanglar
Oila: Acanthasteridae2
Tartib: Valvatida
Qitʼalar: Hind okeani, Tinch okeani, Qizil dengiz, Marjon dengizi, Filippin dengizi, Janubiy Xitoy dengizi, Andaman dengizi, Arabiston dengizi va Fors koʻrfazi, Timor va Arafura dengizi, Bengal koʻrfazi, Okeanlar
Chaqaloqlar: 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
Odamlar uchun xavf: 3 / 5: Jiddiy3

Faktlar qayerdan olingan

Crown-of-thorns starfish (Wikipedia (CC BY-SA 4.0))
Acanthaster planci (iNaturalist): nomlar va tasnif.
Venom Wiki: xavf darajasi, odatiy oʻlcham va taxminiy tezlik bizning oʻz baholarimiz. Ularni qanday hisoblashimizni koʻr: Xavfni qanday baholaymiz.

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