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Black long-spined urchin

Diadema setosum

Samo boliNe dotikaj seBoli, a te ne bo resno poškodovala.

Ježki, zvezde in črvi

Strupene bodiceJe: Rastline

Nevarnost za ljudi: BolečeLahko zelo boli, a skoraj nikoli ni resno.

The black long-spined urchin is a sea urchin with very long, hollow spines. It lives on coral reefs, sand flats and seagrass beds across the Indo-Pacific, and it is one of the most widespread sea urchins in that region. Its spines can deliver a mild venom, so it is best to watch where you put your feet.1

Živi v

Indo-Pacific region, from the Red Sea and east Africa to Australia and Japan; also found in the Mediterranean off Turkey after introduction1

Indijski ocean, Tihi ocean, Rdeče morje, Koralno morje, Filipinsko morje, Arabsko morje in Perzijski zaliv, Timorsko in Arafursko morje, Bengalski zaliv

Domov

Commonly found on coral reefs, but also on sand flats and in seagrass beds. In Hong Kong it is found on rocky reefs, where it can be very numerous. People most often meet it by stepping on it in shallow water.1

Dolžina

7 cm (2,8 in)1

Teža

35 g do 80 g (1,2 oz do 2,8 oz)1

Največja hitrost

približno 0,02 km/h (0,01 mph)

Plavanje, groba ocena

Kaj je?

It is a prolific grazer that feeds on many kinds of algae common on tropical coral reefs.1

Fotografija: Black long-spined urchin — Black long-spined urchin. Fotografija: Quartl. CC BY-SA 4.0, iNaturalist.

Kako jo prepoznaš

Black, near-spherical body (test) with extremely long, narrow, hollow spines, often black but sometimes brown-banded1
Five white spots on the body, which separate it from other Diadema species1
A bright orange ring around the periproctal cone (the 'anal cone'), which is often mistaken for an eye1
Bluish spots on the genital plates and a line of blue spots along the body1
Adults are no more than 70 mm across the body and about 40 mm high1

Pogosto zamenjujejo z: Other Diadema species are similar in shape and spines, but they lack the five white spots that mark this species. Its orange ring and blue spots also help to tell it apart.1

Moč strupa

Strupene bodice

Ostre bodice nosijo strup. Če stopiš nanjo ali jo primeš, boli.

Kaj naredi njen strup, ko ugrizne ali piči?

The spines are hollow and contain a mild venom. The toxin mostly causes swelling and pain, which spreads gradually over several hours. The venom is not fatal to humans. The spines themselves are a bigger problem, because they are brittle and needle-like, break off in flesh and are difficult to remove.1

Kako nevarna je za ljudi?

Nevarnost za ljudi: BolečeLahko zelo boli, a skoraj nikoli ni resno.

The venom is only mild, and the species is not considered a serious threat to humans. Stepping on it can cause painful stings.1

Kaj naredi, ko se prestraši?

When threatened by a sudden impact or by spines snapping, it rapidly flips its body over and 'runs' on the tips of its longest spines.1

Če te zbode z bodicami

Rano daj v vročo vodo, tako vročo, kot jo poškodovanec prenese, ne da bi se opekel, in poišči zdravniško pomoč, da odstranijo bodice. Ne izkopavaj jih sam.

Vedno najprej pokliči številko za klic v sili (112, 000, 911). To so splošna navodila za prvo pomoč, ne zdravniški nasvet. Osnove prve pomoči

Ostani varen

Nikoli se ne dotikaj divje živali, je ne lovi in je ne draži, tudi če je majhna in tudi če je videti, kot da spi ali je mrtva.
Pusti ji prostor. Če jo srečaš, ostani miren, počasi stopi nazaj in jo pusti, da gre svojo pot.
Če te zbode z bodicami: ostani miren, ne premikaj se, pokliči številko za klic v sili (112, 000, 911) ali hitro pojdi v bolnišnico. Zapomni si, kako je izgledala, fotografija pomaga.

Ne preži nate. Strup uporablja, da ulovi hrano ali se zaščiti, in se veliko raje skrije. Več o varnosti

Kje na svetu?

Afrika Azija Evropa Severna Amerika Južna Amerika Avstralija in Oceanija Tihi ocean Indijski ocean Rdeče morje Koralno morje Filipinsko morje Arabsko morje in Perzijski zaliv Timorsko in Arafursko morje Bengalski zaliv

Kako velika je?

Kako dolga je?

Koliko tehta?

težka kot 80 sponk za papir

dolga kot 2 kock za igranje v vrstipočasnejša od vrtnega polža

Kakšne velikosti je Black long-spined urchin v primerjavi s TABO?

Samo matematika v tvojem brskalniku. Nič se ne shrani in nič se nikamor ne pošlje.

Kako hitra je?

Morski konjiček približno 0,0015 km/h (0 mph)

Black long-spined urchin približno 0,02 km/h (0,01 mph)

Vrtni polž približno 0,05 km/h (0,03 mph)

vredno vedeti

Dejstva

It can move 760 mm in just 7 seconds by rolling and walking on the tips of its spines.1

It has no eye, but it has a diffuse light-sensing system that lets it detect light levels and the size and colour of objects.1

In 2006, living specimens were found off Turkey, making it the first invasive Erythrean sea urchin recorded in the Mediterranean.1

Goose barnacles of the genus Microlepas are known to live on it as parasites.1

It is considered one of the oldest living species in its genus, Diadema.1

Razbijalec mitov

Mit: Black long-spined urchins are deadly and their stings can kill people.

Resnica: Their venom is mild and is not fatal to humans. The main problems are pain, swelling and spines that break off in the skin.1

Za strokovnjake za strupe

Znanstveno ime: Diadema setosum
Skupina: Ježki, zvezde in črvi
Družina: Diadematidae2
Red: Diadematoida
Celine: Indijski ocean, Tihi ocean, Rdeče morje, Koralno morje, Filipinsko morje, Arabsko morje in Perzijski zaliv, Timorsko in Arafursko morje, Bengalski zaliv, Oceani
Mladiči: It is a broadcast spawner, releasing eggs and sperm into the water. Spawning happens seasonally or year-round depending on the location, and in some places it follows the full moon.1
Nevarnost za ljudi: 2 / 5: Boleče3

Od kod so dejstva

Diadema setosum (Wikipedia (CC BY-SA 4.0))
Diadema setosum (iNaturalist): imena in razvrstitev.
Venom Wiki: stopnja nevarnosti, tipična velikost in ocena hitrosti so naše lastne. Poglej, kako jih določimo: Kako ocenjujemo nevarnost.

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