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Tadpole madtom

Noturus gyrinus

Tentang nama: The name "tom" is an old word for cat, and "tadpole" comes from its rounded tail fin, which looks like a tadpole's. The scientific name Noturus means "back tail" in Greek.1

Sakit sahajaJangan sentuhIa sakit, tetapi tidak akan mencederakan kamu dengan serius.

Ikan berbisa

Duri berbisaMakan: Daging

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

The tadpole madtom is a small freshwater fish that lives in slow, weedy waters in Canada and the United States. It has two spines near its chest that carry a venom, which it uses to defend itself from predators. Its name comes partly from its rounded tail fin, which makes it look a little like a tadpole.1

Hidup di

Canada and the United States, from Texas to Florida and north to New York1

Amerika Utara

Laman utama

It lives in swamps, marshes, lakes and slow-moving streams and rivers. It prefers water that is 0.1 to 1.5 metres deep, with muddy, sandy or gravel bottoms and thick vegetation to hide in.1

Panjang

5 cm hingga 13 cm (2 in hingga 5.1 in)1

Kelajuan maksimum

kira-kira 3.8 km/j (2.4 mph)

Berenang, anggaran kasar

Apa yang ia makan?

It eats small invertebrates, mainly immature insects and small crustaceans such as water fleas, ostracods and amphipods. Smaller fish eat more small crustaceans, while larger fish take bigger prey such as worms and grass shrimp.1

Gambar Tadpole madtom — Tadpole madtom. Gambar: Adam Cohen. CC BY 4.0, iNaturalist.

Cara mengenalinya

Dark brown back with lighter brown sides and a yellow or white belly1
A dark horizontal streak along each side, from bands of dark pigment on the jaws1
A large, round tail fin that is joined to the small fin on its back, giving it a tadpole-like shape1
Two spines on the pectoral (chest) fins, which carry venom1

Kuasa bisa

Duri berbisa

Duri tajam membawa bisa. Memijak atau memegangnya menyakitkan.

Apa kesan bisanya?

Two pectoral spines transmit an anti-predatory venom. The spines are used to deter predators that get stuck by them.1

Berapa bahaya ia kepada manusia?

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

Apa yang ia buat apabila takut?

When startled, it darts about in all directions, and it uses its venomous spines against predators.1

Jika durinya menikam kamu

Rendam luka dalam air panas, sepanas yang orang itu boleh tahan tanpa melecur (uji dengan tangan kamu sendiri), selama 30 hingga 90 minit. Dapatkan bantuan perubatan, terutamanya untuk ikan batu dan ikan pari.

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 durinya menikam 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?

sepanjang 4 blok binaan mainan disusun sebarisboleh berenang sepanjang kolam renang besar (50 m) dalam 47 saat

Berapa besar Tadpole madtom berbanding KAMU?

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

Berapa laju ia?

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

Tadpole madtom kira-kira 3.8 km/j (2.4 mph)

Perenang Olimpik kira-kira 8 km/j (5 mph)

berguna untuk diketahui

Fakta

It does not build a nest. It sometimes lays its eggs on submerged rubbish such as drink cans.1

Males sometimes use abandoned crayfish burrows as places to house eggs.1

Breeding males develop swollen lips and enlarged muscles on top of the head.1

Researchers in Wisconsin found that its stomach contents were about 44% insects and 28% small crustaceans.1

Pemecah mitos

Mitos: It is a tadpole.

Hakikat: It is a fish. Its rounded tail fin gives it the appearance of a tadpole, which is where part of its name comes from.1

Untuk pakar bisa

Nama saintifik: Noturus gyrinus
Kumpulan: Ikan berbisa
Keluarga: Ictaluridae2
Susunan: Siluriformes
Benua-benua: Amerika Utara
Anak: The female lays several clutches of 75 to 200 eggs during the breeding season, usually in June or July. The eggs are attached to solid objects such as rocks, logs or vegetation, and the male guards them until they hatch.1
Keadaannya di alam liar: Secure in most areas. Critically endangered in Pennsylvania, and considered vulnerable in several other regions.1
Bahaya kepada manusia: 2 / 5: Menyakitkan3

Dari mana fakta datang

Tadpole madtom (Wikipedia (CC BY-SA 4.0))
Noturus gyrinus (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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