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Mangrove horseshoe crab

Carcinoscorpius rotundicauda

Tentang nama: 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

Boleh membunuhBoleh membunuh tanpa rawatan. Jika seseorang memakannya, dapatkan bantuan dengan cepat.

Haiwan beracun lain

Beracun jika dimakanMakan: DagingBeracun, bukan berbisa

Bahaya kepada manusia: Sangat berbahayaIa boleh membunuh orang yang tidak mendapat rawatan.

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? Haiwan berbisa menyuntik bisa melalui gigitan atau sengatan. Haiwan beracun berbahaya untuk 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

Lautan Hindi, Lautan Pasifik, Laut China Selatan, Laut Andaman, Teluk Benggala

Laman utama

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 hingga 40 cm (11 in hingga 1.3 ft)1

Kelajuan maksimum

kira-kira 0.5 km/j (0.31 mph)

Berenang, anggaran kasar

Apa yang ia makan?

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

Gambar Mangrove horseshoe crab — Mangrove horseshoe crab. Gambar: 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 dikelirukan 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

Kuasa racun

Beracun jika dimakan

Ia hanya berbahaya jika ada yang memakannya.

Apa kesan 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

Berapa bahaya ia kepada manusia?

Bahaya kepada manusia: Sangat berbahayaIa boleh membunuh orang yang tidak mendapat rawatan.

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 ada simptom selepas memakannya: hubungi nombor kecemasan atau pusat racun dengan segera.

Sentiasa hubungi nombor kecemasan dahulu (112, 000, 911). Ini panduan pertolongan cemas umum, bukan nasihat perubatan. Asas pertolongan cemas

Kekal selamat

Jangan sesekali sentuh, tangkap atau usik haiwan liar, walaupun yang kecil, dan walaupun ia nampak tidur atau mati.
Beri ia ruang. Jika kamu terjumpa, bertenang, undur perlahan-lahan dan biarkan ia pergi.
Jika kamu menyentuh atau memakannya: jangan gosok mata atau mulut, basuh tangan dan dapatkan bantuan perubatan.

Ia bukan mahu memburu kamu. Racunnya ada hanya supaya tiada apa yang memakannya. Lagi tentang keselamatan

Di mana di dunia?

Afrika Asia Eropah Amerika Utara Amerika Selatan Australia & Oceania Lautan Pasifik Lautan Hindi Laut China Selatan Laut Andaman Teluk Benggala

Berapa besar ia?

Berapa panjang ia?

sepanjang 2 biji pisang disusun hujung ke hujungsepanjang 12 blok binaan mainan disusun sebaris

Berapa besar Mangrove horseshoe crab berbanding KAMU?

Hanya matematik dalam pelayar kamu. Tiada apa yang disimpan atau dihantar ke mana-mana.

Berapa laju ia?

Siput taman kira-kira 0.05 km/j (0.03 mph)

Mangrove horseshoe crab kira-kira 0.5 km/j (0.31 mph)

Orang berenang kira-kira 3 km/j (1.9 mph)

berguna untuk diketahui

Fakta

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

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

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

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

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

Pemecah mitos

Mitos: All horseshoe crabs are safe to eat.

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

Untuk pakar bisa

Nama saintifik: Carcinoscorpius rotundicauda
Kumpulan: Haiwan beracun lain
Keluarga: Limulidae2
Susunan: Xiphosurida
Benua-benua: Lautan Hindi, Lautan Pasifik, Laut China Selatan, Laut Andaman, Teluk Benggala, Lautan
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 kepada manusia: 4 / 5: Sangat berbahaya3

Dari mana fakta datang

Mangrove horseshoe crab (Wikipedia (CC BY-SA 4.0))
Carcinoscorpius rotundicauda (iNaturalist): nama dan pengelasan.
Venom Wiki: tahap bahaya, saiz biasa dan anggaran kelajuan adalah penilaian kami sendiri. Lihat cara kami mengiranya: Cara kami menilai bahaya.

Setiap fakta di halaman ini ada nombor yang menunjuk kepada sumbernya. Jika kami tersilap, maaf, kami peminat haiwan, bukan jurnal sains. Beritahu kami di [email protected] dan kami akan betulkan.

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