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Brown bullhead

Ameiurus nebulosus

Tentang nama: The scientific name Ameiurus nebulosus comes from Greek and Latin words that refer to its whiskery catfish body and cloudy, speckled look.1

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

Ikan berbisa

Duri berbisaMakan: Sedikit semuanya

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

The brown bullhead is a catfish with a sharp, venomous spine on its fins. It lives in lakes, ponds and slow streams across North America, and it is important to the Ojibwe people, who see it as one of their clan symbols.1

Hidup di

Native to eastern North America, from Nova Scotia to Alabama and across the Great Lakes and Mississippi basins; also stocked widely elsewhere in North America, Europe, Chile and New Zealand.1

Amerika Utara

Laman utama

It thrives in lakes, ponds and slow-moving streams, especially where the water is low in oxygen or muddy. It is a bottom-dwelling fish that feeds mostly at night.1

Panjang

20 cm hingga 53 cm (7.9 in hingga 1.7 ft)1

Berat

500 g hingga 3.6 kg (1.1 lb hingga 7.9 lb)1

Kelajuan maksimum

kira-kira 6 km/j (3.7 mph)

Berenang, anggaran kasar

Apa yang ia makan?

It is a bottom feeder that eats algae, leeches, worms, molluscs, crustaceans, insects, crayfish, smaller fish and fish eggs. It has poor eyesight and relies on its sensitive barbels to find food.1

Gambar Brown bullhead — Brown bullhead. Gambar: unknown. CC BY-SA 2.5, Wikimedia Commons.

Cara mengenalinya

Dark brown-green back that becomes lighter green and yellow towards the belly, which is off-white or cream1
Dark brown-black speckles over the whole body1
No scales1
Eight barbels (whisker-like feelers) around the mouth, with black to yellowish brown barbels on the chin1
Adults usually measure 20 to 50 cm and weigh 0.5 to 3.6 kg1

Sering dikelirukan dengan: The black bullhead and yellow bullhead are similar. The brown bullhead has yellow-black chin barbels, no pale bar at the base of the tail (which the black bullhead has), and 21 to 24 rays in its anal fin. The flathead catfish lacks the brown bullhead's tooth patch on the upper jaw.1

Kuasa bisa

Duri berbisa

Duri tajam membawa bisa. Memijak atau memegangnya menyakitkan.

Apa kesan bisanya?

When attacked, the bullhead stiffens the sharp spine on the front edge of its dorsal and pectoral fins. While doing this, it releases venom that stings and burns the predator.1

Berapa bahaya ia kepada manusia?

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

Its fin spines can sting and burn, which is its main defence against predators. Treat any caught fish with care and avoid handling its spines.1

Apa yang ia buat apabila takut?

When attacked, it stiffens its fin spines to make it harder for a predator to swallow it, and releases venom to sting and burn.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?

Berapa berat ia?

seberat 30 biji pisang

sepanjang 3 biji pisang disusun hujung ke hujungsepanjang 17 blok binaan mainan disusun sebarislebih kurang seberat kucing rumahboleh berenang sepanjang kolam renang besar (50 m) dalam 30 saat

Berapa besar Brown bullhead 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)

Brown bullhead kira-kira 6 km/j (3.7 mph)

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

berguna untuk diketahui

Fakta

It can survive very low oxygen levels, down to 0.2 ppm, and even heavily polluted water.1

Its spines can produce venom, which is unusual for a catfish species that is otherwise common and widely eaten.1

The brown bullhead is one of six beings in Ojibwe tradition that came out of the sea to form the original clans.1

Both males and females are known to eat their own eggs at times.1

Untuk pakar bisa

Nama saintifik: Ameiurus nebulosus
Kumpulan: Ikan berbisa
Keluarga: Ictaluridae2
Susunan: Siluriformes
Benua-benua: Amerika Utara
Anak: The female lays eggs in dark places, such as under rocks or inside logs, and clusters can hold 50 to 10,000 eggs. The eggs usually hatch in six days, and parents look after the young for about five more days.1
Jangka hayat: kira-kira 8 tahun1
Keadaannya di alam liar: No special status under the IUCN, the US Endangered Species Program or CITES. It is a Species of Conservation Concern in Missouri.1
Bahaya kepada manusia: 2 / 5: Menyakitkan3

Dari mana fakta datang

Brown bullhead (Wikipedia (CC BY-SA 4.0))
Ameiurus nebulosus (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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