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False water cobra

Hydrodynastes gigas

Tentang nama: It is called a false cobra because it hoods like a true cobra but does not rear up. The Guarani name ñakanina means 'alert head'.1

Sakit sahajaIa sakit, tetapi tidak akan mencederakan kamu dengan serius.

Ular bertaring belakang

GigitanMakan: Daging

Bahaya kepada manusia: MenyakitkanIa boleh jadi sangat sakit, tetapi hampir tidak pernah serius.

The false water cobra is a large snake that lives in South America. It is named after true cobras because it flattens its neck to look bigger when threatened, but it is not a true cobra. It is mildly venomous, and its bites rarely cause serious harm to people.1

Hidup di

Eastern Bolivia to southern Brazil, Paraguay and Argentina, in South America1

Amerika Selatan

Laman utama

It prefers wet or humid places such as marshlands and tropical rainforests, though it has also been seen in drier areas. It is a very active snake that spends much of the day climbing, burrowing and swimming.1

Panjang

3 m (9.8 ft)1

Berat

4.5 kg (9.9 lb)1

Kelajuan maksimum

kira-kira 6.7 km/j (4.2 mph)

Di darat, anggaran kasar

Apa yang ia makan?

In the wild it mainly eats fish and amphibians, and also takes small mammals, birds and reptiles. In captivity it can be trained to eat other foods.1

Gambar False water cobra — False water cobra. Gambar: Bernard DUPONT. CC BY-SA 4.0, iNaturalist.

Cara mengenalinya

Background colour is olive green or brown, with dark spots and bands over much of the body.1
Bands and colour grow darker towards the tail.1
Large eyes with round pupils. The tongue is black.1
Belly is yellow or brown with dark flecks, which form three dotted lines. Males tend to be yellow underneath and females brown.1
Hatchlings and juveniles are much darker and lack the dark eyes of adults.1

Sering dikelirukan dengan: Its pattern and colouring look somewhat like those of true water cobras (Boulengerina). The easiest difference to see is the hood: when threatened, the false water cobra stays horizontal, while a true cobra rears up.1

Kuasa bisa

Gigitan

Bisa keluar melalui taring atau giginya apabila ia menggigit.

Apa kesan bisanya?

This snake has enlarged rear teeth that are not grooved, and they are linked to a gland that produces oral secretions with proteolytic activity, meaning they break down proteins. In the few serious cases, symptoms included severe swelling, bruising, numbness, itching and dizziness. Most bites cause only mild pain and minor swelling.1

Berapa bahaya ia kepada manusia?

Bahaya kepada manusia: MenyakitkanIa boleh jadi sangat sakit, tetapi hampir tidak pernah serius.

Many bites have been recorded, but only four cases of significant reaction in humans are reported for this species. It is considered mildly venomous.1

Apa yang ia buat apabila takut?

When threatened, it flattens its neck like a cobra, and can flatten lower parts of its body too, to look larger and more intimidating.1

Jika ia menggigit

Basuh tempat gigitan, pastikan orang itu tenang dan dapatkan bantuan perubatan. Sesetengah spesies (seperti boomslang) boleh membawa maut beberapa jam kemudian.

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 ia menggigit kamu: bertenang, jangan bergerak, hubungi nombor kecemasan (112, 000, 911) atau pergi ke hospital dengan segera. Ingat rupanya, gambar boleh membantu.

Ia bukan mahu memburu kamu. Ia guna bisanya untuk menangkap makanan atau melindungi diri, dan ia lebih suka bersembunyi. Lagi tentang keselamatan

Di mana di dunia?

Afrika Asia Eropah Amerika Utara Amerika Selatan Australia & Oceania

Berapa besar ia?

Berapa panjang ia?

Berapa berat ia?

seberat 1 ekor kucing rumah

sepanjang 3 ekor anjing dari hidung ke ekorsepanjang 17 biji pisang disusun hujung ke hujunglebih kurang seberat kucing rumahboleh melepasi 100 meter dalam 54 saat (manusia paling laju perlukan 9.6)

Berapa besar False water cobra berbanding KAMU?

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

Berapa laju ia?

Orang berjalan kira-kira 5 km/j (3.1 mph)

False water cobra kira-kira 6.7 km/j (4.2 mph)

Budak naik basikal kira-kira 12 km/j (7.5 mph)

berguna untuk diketahui

Fakta

Captive-bred individuals can become quite tame and trusting, and many show a high level of intelligence.1

Temperaments vary a lot: some individuals are docile, while others are defensive or even aggressive.1

Males are much smaller than females, a difference called sexual dimorphism.1

It is mainly active during the day, which gives it good daytime vision thanks to its large eyes.1

Pemecah mitos

Mitos: It is a true cobra.

Hakikat: It is not a true cobra. It hoods in a similar way, but stays horizontal instead of rearing up.1

Untuk pakar bisa

Nama saintifik: Hydrodynastes gigas
Kumpulan: Ular bertaring belakang
Keluarga: Colubridae2
Susunan: Squamata
Benua-benua: Amerika Selatan
Bahaya kepada manusia: 2 / 5: Menyakitkan3

Dari mana fakta datang

Hydrodynastes gigas (Wikipedia (CC BY-SA 4.0))
Hydrodynastes gigas (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.

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