Black long-spined urchin
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

Tsela ya go e lemoga
- 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
Gantsi e tlhakanngwa le: 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
Maatla a botlhole
Mitlwa e e bogale e rwala botlhole. Go e gata kgotsa go e tshwara go a utlwisa botlhoko.
Botlhole jo e bo tsenyang bo dira eng?
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
E kotsi go le kae go batho?
Kotsi go batho: E botlhokoE ka utlwisa botlhoko tota, mme go seoka thata gore e nne masisi.The venom is only mild, and the species is not considered a serious threat to humans. Stepping on it can cause painful stings.1
E dira eng fa e tshogile?
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
Fa mitlwa ya yone e go tlhaba
- Tsenya ntho mo metsing a a mogote, a a bollo jo motho a ka bo itshokang a sa fiswe, mme o batle thuso ya bongaka go ntsha mitlwa. O se ka wa e epa ka bowena.
Ka gale leletsa nomoro ya gago ya tshoganyetso pele (112, 000, 911). Se ke kaelo e e akaretsang ya thuso ya ntlha, ga se kgakololo ya bongaka. Motheo wa thuso ya ntlha
Nna o babalesegile
- O se ka wa ama, wa tshwara kgotsa wa tshwenya phologolo ya naga, le fa e le e nnye, le fa e lebega e robetse kgotsa e sule.
- E fe sebaka. Fa o kopana le yone, ritibala, boela morago ka bonya mme o e tlogele e tsamaye ka tsela ya yone.
- Fa mitlwa ya yone e go tlhaba: ritibala, o se ka wa tshikinyega, leletsa nomoro ya gago ya tshoganyetso (112, 000, 911) kgotsa o ye bookelong ka bonako. Gopola gore e ne e lebega jang, setshwantsho se a thusa.
Ga e go batle. E dirisa botlhole jwa yone go tshwara dijo kgotsa go itshireletsa, mme e rata go iphitlha go feta. Go le gontsi ka go nna o babalesegile
Kae mo lefatsheng?
E kgolo go le kae?
E telele go le kae?
E kima go le kae?
boleele jo bo lekanang le diboloko tsa go aga tsa ditshamekisi di le 2 mo moleng
bonya go feta kgopa ya tshingwanaBlack long-spined urchin e kgolo go le kae fa e bapisiwa le WENA?
Ke dipalo fela mo sefetleng sa gago (browser). Ga go sepe se se bolokwang kgotsa se se romelwang gope.
E bonako go le kae?
Dintlha
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
Mosenyi wa ditlhamane
Tlhamane: Black long-spined urchins are deadly and their stings can kill people.
Nnete: 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
Ya baitseanape ba botlhole
- Leina la saense
- Diadema setosum
- Setlhopha
- Di-urchin, dinaledi tsa lewatle le diboko
- Lelapa
- Diadematidae2
- Lekoko
- Diadematoida
- Dikontinente
- Lewatle la India, Lewatle la Pacific, Lewatle le Lehibidu, Lewatle la Coral, Lewatle la Philippines, Lewatle la Arabia le Gulf ya Peresia, Lewatle la Timor le la Arafura, Kou ya Bengal, Mawatle
- Masea
- 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
- Kotsi go batho
- 2 / 5: E botlhoko3
Kwa dintlha di tswang teng
- Diadema setosum (Wikipedia (CC BY-SA 4.0))
- Diadema setosum (iNaturalist): maina le thulaganyo ya mefuta.
- Venom Wiki: seelo sa kotsi, bogolo jo bo tlwaelegileng le kakanyo ya lebelo ke tsa rona. Bona kafa re di balang ka teng: Kafa re lekanyang kotsi ka teng.
Ntlha nngwe le nngwe mo tsebeng e e na le nomoro e e supang motswedi wa yone. Fa re dirile phoso, maitshwarelo, re barati ba diphologolo, e seng kgatiso ya saense. Re bolelele kwa [email protected] mme re tla e baakanya.
Mitlwa ya botlhole

