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Mangrove horseshoe crab

Carcinoscorpius rotundicauda
Tentang namanya: 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
Bisa membunuhBisa membunuh tanpa pengobatan. Jika seseorang memakannya, segera cari bantuan.
Hewan beracun lainnya Beracun jika dimakanMakan: DagingBeracun, bukan berbisa
Bahaya bagi manusia: Sangat berbahayaBisa membunuh orang yang tidak diobati.

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

Beracun atau berbisa? Hewan berbisa menyuntikkan bisa lewat gigitan atau sengatan. Hewan beracun berbahaya jika disentuh atau dimakan. Yang ini beracun.
Hidup di
Tropical and brackish waters of India, Bangladesh and Southeast Asia. It may also occur in Sri Lanka, Myanmar and the Philippines.1
Samudra Hindia, Samudra Pasifik, Laut Cina Selatan, Laut Andaman, Teluk Benggala
Beranda
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
Panjang
28 cm sampai 40 cm (11 in sampai 1,3 ft)1
Kecepatan tertinggi
sekitar 0,5 km/jam (0,31 mph)
Berenang, perkiraan kasar
Apa makanannya?
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
Beneran!Foto Mangrove horseshoe crab
Mangrove horseshoe crab. Foto: Amada44. CC BY 3.0, Wikimedia Commons.

Cara mengenalinya

  • 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

Sering tertukar dengan: 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

Kekuatan racun

Beracun jika dimakan

Ia hanya berbahaya jika ada yang memakannya.

Apa efek racunnya?

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

Seberapa berbahaya bagi manusia?

Bahaya bagi manusia: Sangat berbahayaBisa membunuh orang yang tidak diobati.

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

Jika seseorang menyentuh atau memakannya

  • Jika seseorang memakannya atau mengalami gejala setelah memakannya: segera hubungi nomor darurat atau pusat informasi keracunan.

Selalu hubungi nomor darurat dulu (112, 000, 911). Ini panduan pertolongan pertama umum, bukan nasihat medis. Dasar-dasar pertolongan pertama

Tetap aman

  • Jangan pernah menyentuh, menangkap, atau mengganggu hewan liar, walaupun kecil, dan walaupun tampak tidur atau mati.
  • Beri ia ruang. Jika bertemu, tetap tenang, mundur perlahan, dan biarkan ia pergi.
  • Jika kamu menyentuh atau memakannya: jangan mengucek mata atau mulut, cuci tangan, dan cari bantuan medis.

Ia tidak mengincarmu. Racunnya hanya ada supaya tidak ada yang memakannya. Lebih lanjut tentang tetap aman

Seberapa besar dia?

Seberapa panjang dia?

Mangrove horseshoe crab panjangnya sekitar 40 cm (1,3 ft)Sebuah pisang sekitar 18 cm (7,1 in)Kucing peliharaan sekitar 50 cm (1,6 ft)
sepanjang 2 pisang yang dijajarkansepanjang 12 balok mainan yang dijajarkan

Seberapa besar Mangrove horseshoe crab dibandingkan KAMU?

Hanya hitungan di browsermu. Tidak ada yang disimpan atau dikirim ke mana pun.

Seberapa cepat dia?

layak diketahui

Fakta

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

Pembongkar mitos

Mitos: All horseshoe crabs are safe to eat.

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

Untuk ahli bisa

Nama ilmiah
Carcinoscorpius rotundicauda
Kelompok
Hewan beracun lainnya
Keluarga
Limulidae2
Urutan
Xiphosurida
Benua
Samudra Hindia, Samudra Pasifik, Laut Cina Selatan, Laut Andaman, Teluk Benggala, Samudra
Anak
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
Bahaya bagi manusia
4 / 5: Sangat berbahaya3

Dari mana faktanya berasal

  1. Mangrove horseshoe crab (Wikipedia (CC BY-SA 4.0))
  2. Carcinoscorpius rotundicauda (iNaturalist): nama dan klasifikasi.
  3. Venom Wiki: tingkat bahaya, ukuran umum, dan perkiraan kecepatan adalah buatan kami. Lihat cara kami menghitungnya: Cara kami menilai bahaya.

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