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Crown-of-thorns starfish

Acanthaster planci

ብዛዕባ እቲ ስም፦ Its common name comes from the long, thornlike spines that cover its upper surface, which resemble the biblical crown of thorns.1

ሓኪም የድልዮኣይትተንክፍሳሕቲ እዩ ዝቐትል፣ ግን እሾኹ እንተ ወጊኡካ ናብ ሓኪም ኪድ።

ቅንፍዝ ባሕሪ፣ ኮኾብ ባሕርን ዕጭታትን

መርዛም እሾኽዝበልዖ፦ ስጋ

ሓደጋ ንሰባት: ከቢድእሾኹ እንተ ወጊኡካ ናብ ሓኪም ኪድ። ሞት ኣዝዩ ሳሕቲ እዩ።

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

ዝነብረሉ

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

ህንዳዊ ውቅያኖስ, ውቅያኖስ ፓሲፊክ, ቀይሕ ባሕሪ, ባሕሪ ኮራል, ባሕሪ ፊሊፒንስ, ባሕሪ ደቡብ ቻይና, ባሕሪ ኣንዳማን, ባሕሪ ዓረብን ወሽመጥ ፋርስን, ባሕሪ ቲሞርን ኣራፉራን, ወሽመጥ ቤንጋል

መበገሲ

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

ንውሓት

ካብ 25 cm ክሳብ 35 cm (ካብ 9,8 in ክሳብ 1,1 ft)1

ዝለዓለ ቅልጣፈ

ኣስታት 0,02 ኪ.ሜ/ሰዓት (0,01 ማይል/ሰዓት)

ምሕምባስ, ግምት

እንታይ ይበልዕ?

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

ስእሊ Crown-of-thorns starfish — Crown-of-thorns starfish። ስእሊ፦ John Hepburn። CC BY 4.0, Wikimedia Commons.

ብኸመይ ትፈልጦ

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

ብዙሕ ግዜ ዝደናገረሉ፦ 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

ሓይሊ መርዚ

መርዛም እሾኽ

በሊሕ እሾኽ ነቲ መርዚ ይሕዞ። ምርጋጹ ወይ ምሓዙ የቐንዚ።

መርዙ (ክነኽስ ወይ ክነድፍ ከሎ) እንታይ ይገብር?

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

ንሰባት ክንደይ ሓደገኛ እዩ?

ሓደጋ ንሰባት: ከቢድእሾኹ እንተ ወጊኡካ ናብ ሓኪም ኪድ። ሞት ኣዝዩ ሳሕቲ እዩ።

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

እሾኹ እንተ ወጊኡካ

Spines that become embedded in the tissue must be removed surgically.1
ነቲ ቑስሊ ኣብ ውዑይ ማይ ኣእትዎ፣ እቲ ሰብ ከይተቓጸለ ክጻወሮ ዝኽእል ክሳብ ዝኸውን ውዑይ፣ እሾኽ ንምውጻእ ድማ ሕክምናዊ ሓገዝ ርኸብ። ባዕልኻ ኮዒትካ ከተውጽኦም ኣይትፈትን።

ኩሉ ግዜ ቀዳምነት ናብ ቁጽሪ ህጹጽ ረድኤት ደውል (112፣ 000፣ 911)። እዚ ሓፈሻዊ መምርሒ ቀዳማይ ረድኤት እዩ፣ ሕክምናዊ ምኽሪ ኣይኮነን። መሰረታት ቀዳማይ ረድኤት

ብድሕንነት ጽናሕ

ንዘገዳም እንስሳ ፈጺምካ ኣይትተንክፎ፣ ኣይትሓዞ ወይ ኣይተሕርቖ፣ ንእሽቶ እንተ ኾነ እውን፣ ደቂሱ ወይ ሞይቱ እንተ መሰለ እውን።
ቦታ ሃቦ። እንተ ረኺብካዮ፣ ህዱእ ኹን፣ ቀስ ኢልካ ንድሕሪት ተመለስ፣ ናብ መገዱ ድማ ይኺድ ሕደጎ።
እሾኹ እንተ ወጊኡካ፦ ህዱእ ኹን፣ ከይተንቀሳቐስካ ጽናሕ፣ ናብ ቁጽሪ ህጹጽ ረድኤት (112፣ 000፣ 911) ደውል ወይ ብቕልጡፍ ናብ ሆስፒታል ኪድ። ከመይ ከም ዝመስል ዘክር፣ ስእሊ ይሕግዝ።

ንዓኻ ከጥቅዕ ኣይደልን እዩ። መርዙ ዝጥቀመሉ መግቢ ንምሓዝ ወይ ንርእሱ ንምክልኻል እዩ፣ ምሕባእ ድማ ኣዝዩ ይመርጽ። ብዛዕባ ድሕንነት ተወሳኺ

ኣበይ ኣብ ዓለም?

ኣፍሪቃ እስያ ኤውሮጳ ሰሜን ኣመሪካ ደቡብ ኣመሪካ ኣውስትራልያን ኦሽያንያን ውቅያኖስ ፓሲፊክ ህንዳዊ ውቅያኖስ ቀይሕ ባሕሪ ባሕሪ ኮራል ባሕሪ ደቡብ ቻይና ባሕሪ ፊሊፒንስ ባሕሪ ኣንዳማን ባሕሪ ዓረብን ወሽመጥ ፋርስን ባሕሪ ቲሞርን ኣራፉራን ወሽመጥ ቤንጋል

ክንደይ ዓቢ እዩ?

ክንደይ ይነውሕ?

ብመስመር ከም ዝተሰርዑ 11 ናይ መጻወቲ ህንጻ ብሎካት ይነውሕካብ ቀንዲ-ኣውጣ ጀርዲን ዝደንጒ

Crown-of-thorns starfish ምሳኻ ክወዳደር ከሎ ክንደይ ዓቢ እዩ?

ኣብ ብራውዘርካ ዝስራሕ ሕሳብ ጥራይ። ዋላ ሓደ ነገር ኣይዕቀብን ናብ ዝኾነ ቦታ ድማ ኣይለኣኽን።

ክንደይ ቅልጡፍ እዩ?

ፈረስ ባሕሪ ኣስታት 0,0015 ኪ.ሜ/ሰዓት (0 mph)

Crown-of-thorns starfish ኣስታት 0,02 ኪ.ሜ/ሰዓት (0,01 mph)

ቀንዲ-ኣውጣ ናይ ጀርዲን ኣስታት 0,05 ኪ.ሜ/ሰዓት (0,03 mph)

ክፍለጥ ዘለዎ

ሓቅታት

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

ጽውጽዋይ ዝሰብር

ጽውጽዋይ፦ Its spines inject venom like a snake or stinging animal.

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

ንክኢላታት መርዚ

ሳይንሳዊ ስም: Acanthaster planci
ጉጅለ: ቅንፍዝ ባሕሪ፣ ኮኾብ ባሕርን ዕጭታትን
ስድራ ቤት: Acanthasteridae2
ቅደም ሰዓብ: Valvatida
ክፍለ ዓለማት: ህንዳዊ ውቅያኖስ, ውቅያኖስ ፓሲፊክ, ቀይሕ ባሕሪ, ባሕሪ ኮራል, ባሕሪ ፊሊፒንስ, ባሕሪ ደቡብ ቻይና, ባሕሪ ኣንዳማን, ባሕሪ ዓረብን ወሽመጥ ፋርስን, ባሕሪ ቲሞርን ኣራፉራን, ወሽመጥ ቤንጋል, ውቅያኖሳት
ህጻናት: 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
ሓደጋ ንሰባት: 3 / 5: ከቢድ3

ሓቅታት ካበይ ይመጹ

Crown-of-thorns starfish (Wikipedia (CC BY-SA 4.0))
Acanthaster planci (iNaturalist): ኣስማትን ምምዳብን።
Venom Wiki: ደረጃ ሓደጋ፣ ልሙድ ዓቐንን ግምት ቅልጣፈን ናትና እዮም። ብኸመይ ከም እነውጽኦም ርአ፦ ሓደጋ ብኸመይ ንግምግም.

ኣብዚ ገጽ ዘሎ ነፍሲ ወከፍ ሓቂ ናብ ምንጩ ዘመልክት ቁጽሪ ኣለዎ። ገለ ነገር እንተ ተጋጊና፣ ይቕሬታ፣ ንሕና ፈተውቲ እንስሳታት ኢና፣ መጽሔት ሳይንስ ኣይኮንናን። ብ[email protected] ንገረና፣ ክነስተኻኽሎ ኢና።

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