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Mangrove horseshoe crab

Carcinoscorpius rotundicauda
Davart il num: 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
Po mazzarPo mazzar senza tractament. Sch'insatgi al mangia, tschertga spert agid.
Auters animals tossics Tossic da mangiarMangia: CharnTossic, betg tissientà
Privel per umans: Fitg privlusEl po mazzar ina persuna che na survegn nagin tractament.

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

Tossic u tissientà? Animals tissientads injecteschan tissi cun ina morsa u ina piztgada. Animals tossics èn nuschaivels, sch'ins als tutga u als mangia. Quest qua è tossic.
Viva en
Tropical and brackish waters of India, Bangladesh and Southeast Asia. It may also occur in Sri Lanka, Myanmar and the Philippines.1
Ocean Indic, Ocean Pacific, Mar da la China dal Sid, Mar d'Andaman, Golf dal Bengal
Pagina iniziala
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
Lunghezza
28 cm fin 40 cm (11 in fin 1,3 ft)1
Sveltezza maximala
circa 0,5 km/h (0,31 mph)
Nudar, stima approximativa
Tge mangia el?
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
Propi!Foto da Mangrove horseshoe crab
Mangrove horseshoe crab. Foto: Amada44. CC BY 3.0, Wikimedia Commons.

Co renconuscher el

  • 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

Savens confundì cun: 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

Forza tossica

Tossic da mangiar

El è mo nuschaivel, sch'insatge al mangia.

Tge fa sia substanza tossica?

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

Quant privlus è el per umans?

Privel per umans: Fitg privlusEl po mazzar ina persuna che na survegn nagin tractament.

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

Sch'insatgi l'ha tutgà u mangià

  • Sch'insatgi l'ha mangià u ha sintoms suenter l'avair mangià: clama immediat tes numer d'urgenza u il center toxicologic.

Clama adina l'emprim tes numer d'urgenza (112, 000, 911). Quai è in cussegl general d'emprim agid, betg in cussegl medicinal. Basa da l'emprim agid

Resta en segirezza

  • Na tutga, na piglia e na tizza mai in animal selvadi, gnanc in pitschen, ed era sch'el para da durmir u d'esser mort.
  • Dà spazi a l'animal. Sche ti scuntras in, resta calm, va plaun enavos e lascha ir el per sia via.
  • Sche ti l'has tutgà u mangià: na sfruscha betg ils egls u la bucca, lava ils mauns e tschertga agid medicinal.

El n'ha betg quai sin tai. Ses tissi è mo là, per che nagin na al mangia. Dapli davart la segirezza

Nua sin il mund?

AfricaAsiaEuropaAmerica dal NordAmerica dal SidAustralia ed OceaniaOcean PacificOcean IndicMar da la China dal SidMar d'AndamanGolf dal Bengal

Quant grond è el?

Quant lung è el?

Mangrove horseshoe crab circa 40 cm lung (1,3 ft)Ina banana circa 18 cm (7,1 in)In giat da chasa circa 50 cm (1,6 ft)
uschè lung sco 2 bananas ina suenter l'autrauschè lung sco 12 bluccs da construcziun in suenter l'auter

Quant grond è Mangrove horseshoe crab cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn memorisà u tramess.

Quant svelt è el?

bun da savair

Fatgs

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

Destructur da mits

Mit: All horseshoe crabs are safe to eat.

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

Per experts da tissi

Num scientific
Carcinoscorpius rotundicauda
Gruppa
Auters animals tossics
Famiglia
Limulidae2
Urden
Xiphosurida
Continents
Ocean Indic, Ocean Pacific, Mar da la China dal Sid, Mar d'Andaman, Golf dal Bengal, Ils oceans
Poppins
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
Privel per umans
4 / 5: Fitg privlus3

Da nua che vegnan ils fatgs

  1. Mangrove horseshoe crab (Wikipedia (CC BY-SA 4.0))
  2. Carcinoscorpius rotundicauda (iNaturalist): nums e classificaziun.
  3. Venom Wiki: il stgalim da privel, la grondezza tipica e la stima da la sveltezza èn noss agens. Guarda co che nus als calculain: Co che nus valitain il privel.

Mintga fatg sin questa pagina ha in numer che renvia a sia funtauna. Sche nus avain fatg in sbagl, perstgisa, nus essan fans d'animals, betg ina revista scientifica. Scriva a nus a [email protected] e nus curregin.

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