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Setshwantsho sa khathune sa Mangrove horseshoe crab
Nom. 1402 ya 1 402

Mangrove horseshoe crab

Carcinoscorpius rotundicauda
Ka ga leina: It is named after mangrove swamps, where it lives. The other name, round-tailed horseshoe crab, refers to its tail, which is rounded in cross section.1
E ka bolayaE ka bolaya fa go sa alafiwe. Fa mongwe a e ja, batla thuso ka bonako.
Diphologolo tse dingwe tse di botlhole go di ama kgotsa go di ja E botlhole go e jaE ja: NamaE botlhole go e ama kgotsa go e ja, ga e tsenye botlhole
Kotsi go batho: E kotsi thataE ka bolaya motho yo o sa alafiweng.

The mangrove horseshoe crab is a sea creature with a hard shell and a long spiky tail. It lives in warm, shallow, muddy coastal waters in South and Southeast Asia. Its flesh contains a deadly poison, so it is important to know it apart from a safe relative.1

E botlhole go e ama kgotsa go e ja, kgotsa e tsenya botlhole? Diphologolo tse di tsenyang botlhole di bo tsenya ka go loma kgotsa go tlhaba. Diphologolo tse di botlhole go di ama kgotsa go di ja di kotsi fa o di ama kgotsa o di ja. Eno ke e e botlhole go e ama kgotsa go e ja.
E tshela kwa
Tropical and brackish waters of India, Bangladesh and Southeast Asia. It may also occur in Sri Lanka, Myanmar and the Philippines.1
Lewatle la India, Lewatle la Pacific, Lewatle la China Borwa, Lewatle la Andaman, Kou ya Bengal
Gae
It lives in shallow waters with soft, sandy bottoms or extensive mud flats, especially brackish, swampy areas such as mangroves. It spends most of its life close to or on the bottom. People meet it when fishermen collect it for food in Southeast Asia.1
Boleele
28 cm go ya go 40 cm (11 in go ya go 1,3 ft)1
Lebelo le le kwa godimo
e ka nna 0,5 km/h (0,31 mph)
Go thuma, kakanyo fela
E ja eng?
It is a selective feeder on the bottom, eating mainly insect larvae, small fish, small crabs and thin-shelled bivalves. It has no jaws, so it grinds food with bristles on its legs and passes it to its mouth with its small front pincers.1
Ka nnete!Setshwantsho sa Mangrove horseshoe crab
Mangrove horseshoe crab. Setshwantsho: Amada44. CC BY 3.0, Wikimedia Commons.

Tsela ya go e lemoga

  • It is the smallest of the four living horseshoe crab species.1
  • Its tail has a rounded cross section. In the other species the tail is essentially triangular.1
  • Females are larger than males. Females are typically about 30.5 to 31.5 cm long including the tail.1
  • Adults have a large dome-shaped front shell, a smaller rear shell with spines on its edge, and a spike-like tail.1

Gantsi e tlhakanngwa le: It is often confused with Tachypleus gigas, which is harmless to eat. The mangrove horseshoe crab has a rounded tail, while T. gigas has a triangular one. Tachypleus tridentatus can live in the same habitat.1

Maatla a botlhole

E botlhole go e ja

E kotsi fela fa sengwe se e ja.

Botlhole jwa yone (jwa go e ama kgotsa go e ja) bo dira eng?

Its flesh contains tetrodotoxin (TTX), a poison that is lethal. This is a poison in the food, not a venom from a bite or sting.1

E kotsi go le kae go batho?

Kotsi go batho: E kotsi thataE ka bolaya motho yo o sa alafiweng.

Several cases of food poisoning have happened after people ate this crab, and some of these cases were fatal. These cases usually occur when the crab is mistaken for the harmless T. gigas.1

Fa mongwe a e amile kgotsa a e jele

  • Fa mongwe a e jele kgotsa a na le matshwao morago ga go e ja: leletsa nomoro ya gago ya tshoganyetso kgotsa senthara ya botlhole ka yone nako eo.

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 o e amile kgotsa o e jele: o se ka wa gotlha matlho kgotsa molomo wa gago, tlhatswa diatla mme o batle thuso ya bongaka.

Ga e go batle. Botlhole jwa yone bo teng fela gore sepe se se ka se e je. Go le gontsi ka go nna o babalesegile

E kgolo go le kae?

E telele go le kae?

Mangrove horseshoe crab e ka nna 40 cm ka boleele (1,3 ft)Panana e ka nna 18 cm (7,1 in)Katse ya ntlo e ka nna 50 cm (1,6 ft)
boleele jo bo lekanang le dipanana di le 2 di latelanaboleele jo bo lekanang le diboloko tsa go aga tsa ditshamekisi di le 12 mo moleng

Mangrove horseshoe crab 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?

go botlhokwa go itse

Dintlha

1

Its flesh contains a lethal poison, but its roe is a prized delicacy in Thailand, where it is served in a salad called yam khai maeng da.1

2

Horseshoe crabs have remained almost unchanged in shape and size for millions of years, and their fossils over 400 million years old look almost identical to living ones.1

3

Juveniles grow about 33% bigger each time they moult, taking about five moults to grow from 2 cm to adult size.1

4

Males cling to the backs of females for long periods before the eggs are laid, and it is thought that this species is monogamous.1

5

Horseshoe crabs have two compound eyes, which are mainly used to find a mate.1

Mosenyi wa ditlhamane

Tlhamane: All horseshoe crabs are safe to eat.

Nnete: The mangrove horseshoe crab is not safe. Its flesh contains lethal tetrodotoxin, unlike T. gigas, which is harmless to eat.1

Ya baitseanape ba botlhole

Leina la saense
Carcinoscorpius rotundicauda
Setlhopha
Diphologolo tse dingwe tse di botlhole go di ama kgotsa go di ja
Lelapa
Limulidae2
Lekoko
Xiphosurida
Dikontinente
Lewatle la India, Lewatle la Pacific, Lewatle la China Borwa, Lewatle la Andaman, Kou ya Bengal, Mawatle
Masea
Females lay about 3500 eggs in a hole dug in the sand or mud, and the male fertilises them. The large eggs hatch after a couple of weeks into miniature versions of the adults.1
Kotsi go batho
4 / 5: E kotsi thata3

Kwa dintlha di tswang teng

  1. Mangrove horseshoe crab (Wikipedia (CC BY-SA 4.0))
  2. Carcinoscorpius rotundicauda (iNaturalist): maina le thulaganyo ya mefuta.
  3. 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.

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Tse dingwe tsa setlhopha se se tshwanang: Diphologolo tse dingwe tse di botlhole go di ama kgotsa go di ja

E tshela gape kwa: Lewatle la India

Fepa phephengnkgwana ya dimpho, e e dira mahala