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Ekifaananyi ekikubiddwa ekya Crown-of-thorns starfish
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Crown-of-thorns starfish

Acanthaster planci
Ku linnya: Its common name comes from the long, thornlike spines that cover its upper surface, which resemble the biblical crown of thorns.1
Kyetaaga omusawoTokwatakoTekitera kutta, naye amaggwa gaakyo bwe gakufumita, genda eri omusawo.
Sea urchin, sea star ne fireworm Amaggwa ag'obusagwaKirya: Ennyama
Akabi eri abantu: Kya maanyiAmaggwa gaakyo bwe gakufumita, genda eri omusawo. Okufa kubaawo kitono nnyo.

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

Kibeera mu
Indo-Pacific: Red Sea, East African coast, Indian Ocean, Pacific Ocean to west coast of Central America; most common around Australia1
Oseyani y'e Buyindi, Oseyani ya Pasifiki, Ennyanja Emmyufu, Ennyanja ya Korali, Ennyanja ya Bufilipino, Ennyanja ya China ey'Obukiikaddyo, Ennyanja ya Andaman, Ennyanja ya Arabiya n'Ekikono kya Perusiya, Ennyanja ya Timor ne Arafura, Ekikono kya Bengal
Awaka
It lives where coral reefs or hard coral communities occur in tropical and subtropical waters.1
Obuwanvu
25 cm okutuuka ku 35 cm (9,8 in okutuuka ku 1,1 ft)1
Embiro ezisinga
nga 0,02 km/h (0,01 mph)
Okuwuga, kuteebereza bwokka
Kirya ki?
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
Ddala!Ekifaananyi kya Crown-of-thorns starfish
Crown-of-thorns starfish. Ekifaananyi: John Hepburn. CC BY 4.0, Wikimedia Commons.

Engeri y'okukitegeera

  • 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

Kitera okutabulwa ne: 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

Amaanyi g'obusagwa

Amaggwa ag'obusagwa

Amaggwa amasongovu ge galimu obusagwa. Okukirinnyako oba okukikwata kiruma.

Obusagwa bwakyo bukola ki?

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

Kirina akabi kenkana wa eri abantu?

Akabi eri abantu: Kya maanyiAmaggwa gaakyo bwe gakufumita, genda eri omusawo. Okufa kubaawo kitono nnyo.

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

Amaggwa gaakyo bwe gakufumita

  • Spines that become embedded in the tissue must be removed surgically.1
  • Teeka ekiwundu mu mazzi agookya, agookya nga omuntu bw'asobola okugumiikiriza nga tegamwokya, era funa obuyambi bw'abasawo okuggyamu amaggwa. Togasimamu ggwe kennyini.

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 OseyaniyaOseyani ya PasifikiOseyani y'e BuyindiEnnyanja EmmyufuEnnyanja ya KoraliEnnyanja ya China ey'ObukiikaddyoEnnyanja ya BufilipinoEnnyanja ya AndamanEnnyanja ya Arabiya n'Ekikono kya PerusiyaEnnyanja ya Timor ne ArafuraEkikono kya Bengal

Kinene kyenkana wa?

Kiwanvu kyenkana wa?

Crown-of-thorns starfish kiwanvu nga 35 cm (1,1 ft)Ndiizi nga 18 cm (7,1 in)Kkapa ey'awaka nga 50 cm (1,6 ft)
kiwanvu nga bbulooka 11 ez'okuzannyisa mu lunyiririkirwawo okusinga ekkovu ly'omu nnimiro

Crown-of-thorns starfish kinene kyenkana wa bw'ogeraageranya ne GGWE?

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Ebituufu

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

Omumenyi w'enfumo

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

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

Ku bakugu mu busagwa

Erinnya erya ssaayansi
Acanthaster planci
Ekibinja
Sea urchin, sea star ne fireworm
Amaka
Acanthasteridae2
Ensengeka
Valvatida
Ssemazinga
Oseyani y'e Buyindi, Oseyani ya Pasifiki, Ennyanja Emmyufu, Ennyanja ya Korali, Ennyanja ya Bufilipino, Ennyanja ya China ey'Obukiikaddyo, Ennyanja ya Andaman, Ennyanja ya Arabiya n'Ekikono kya Perusiya, Ennyanja ya Timor ne Arafura, Ekikono kya Bengal, Oseyani
Abaana abawere
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
Akabi eri abantu
3 / 5: Kya maanyi3

Ebituufu we biva

  1. Crown-of-thorns starfish (Wikipedia (CC BY-SA 4.0))
  2. Acanthaster planci (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.

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