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Kartun Spotted ratfish
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Spotted ratfish

Hydrolagus colliei
Tentang nama: The genus name Hydrolagus comes from Greek words meaning water and hare. The species name honours Alexander Collie, a ship's surgeon and early naturalist.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 spotted ratfish is a chimaera, a cartilage fish related to sharks and rays. It lives in the northeastern Pacific Ocean, and divers often see it at night in the Pacific Northwest. It gets its name from its pointed, rat-like tail.1

Hidup di
Northeastern Pacific Ocean, from Alaska to Baja California, plus an isolated population in the Gulf of California1
Lautan Pasifik, Teluk California
Laman utama
It lives near the sea floor in sandy, muddy or rocky reef areas. Most live in deep water, but in the north they live closer to shore, and off California they can be found as shallow as 30 m. Divers meet it most often at night, and its leathery egg cases are laid on muddy or sandy bottoms, where divers sometimes mistake them for inanimate objects.1
Panjang
14 cm hingga 97 cm (5.5 in hingga 3.2 ft)1
Kelajuan maksimum
kira-kira 15 km/j (9.3 mph)
Berenang, anggaran kasar
Apa yang ia makan?
It swims slowly above the sea floor and finds food by smell, usually hunting at night when it moves into shallow water. It is especially drawn to crunchy prey such as crabs and clams, and also eats shrimp, worms, small fish, small crustaceans and sea stars.1
Betul-betul!Gambar Spotted ratfish
Spotted ratfish. Gambar: Brian Gratwicke. CC BY 4.0, iNaturalist.

Cara mengenalinya

  • Smooth, scaleless skin that is silvery-bronze, often with gold, blue and green shine1
  • Speckled white spots along the back1
  • Large, triangular pectoral fins that stick straight out from the sides, like airplane wings1
  • A pointed, rat-like tail that makes up almost half of its total length1
  • Large emerald green eyes and a duckbill-shaped snout1

Kuasa bisa

Duri berbisa

Duri tajam membawa bisa. Memijak atau memegangnya menyakitkan.

Apa kesan bisanya?

The spine on the leading edge of its dorsal fin is grooved and connected to a venom gland at its base. The venom is mildly toxic. A sting from the spine causes a painful wound.1

Berapa bahaya ia kepada manusia?

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

It does not present a serious danger to humans, but its spines can cause painful wounds. Harbor seals have been known to die after swallowing spotted ratfish, when a spine pierced the stomach or esophagus.1

Apa yang ia buat apabila takut?

It usually keeps a safe distance from divers and is not aggressive, but it will defend its territory with the spine on its dorsal fin if it feels invaded.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?

AfrikaAsiaEropahAmerika UtaraAmerika SelatanAustralia & OceaniaLautan PasifikTeluk California

Berapa besar ia?

Berapa panjang ia?

Spotted ratfish panjangnya kira-kira 97 cm (3.2 ft)Kucing rumah kira-kira 50 cm (1.6 ft)Anjing kira-kira 1 m (3.3 ft)
sepanjang 2 ekor kucing rumah dari hidung ke ekorsepanjang 5 biji pisang disusun hujung ke hujungboleh berenang sepanjang kolam renang besar (50 m) dalam 12 saat

Berapa besar Spotted ratfish berbanding KAMU?

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

Berapa laju ia?

berguna untuk diketahui

Fakta

1

Adult males have a club-like cephalic clasper on the head, an organ not found in any other vertebrate, which they use to hold on to females during courtship.1

2

Its large eyes reflect light, much like the eyes of a cat.1

3

It swims with its large pectoral fins, and its barrel rolls and corkscrew turns have been described as aquatic flight.1

4

Its teeth are plate-shaped, mineralised and permanent, unlike the easily replaced teeth of sharks, and they help it grind prey.1

5

Its ampullary organs on the head detect electric fields, and they are homologous to the ampullae of Lorenzini found in sharks and rays.1

6

Its meat is not typically eaten by humans and it is not commercially caught.1

Untuk pakar bisa

Nama saintifik
Hydrolagus colliei
Kumpulan
Ikan berbisa
Keluarga
Chimaeridae2
Susunan
Chimaeriformes
Benua-benua
Lautan Pasifik, Teluk California, Lautan
Anak
Like some sharks, it lays eggs; the female releases up to two fertilised eggs every 10–14 days in spring to autumn, and development can take up to a year.1
Bahaya kepada manusia
2 / 5: Menyakitkan3

Dari mana fakta datang

  1. Spotted ratfish (Wikipedia (CC BY-SA 4.0))
  2. Hydrolagus colliei (iNaturalist): nama dan pengelasan.
  3. 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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