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Spotted ratfish

Hydrolagus colliei
Tentang namanya: 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
Hanya sakitJangan sentuhSakit, tetapi tidak akan melukaimu dengan serius.
Ikan berbisa Duri berbisaMakan: Daging
Bahaya bagi manusia: MenyakitkanBisa 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
Samudra Pasifik, Teluk California
Beranda
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 sampai 97 cm (5,5 in sampai 3,2 ft)1
Kecepatan tertinggi
sekitar 15 km/jam (9,3 mph)
Berenang, perkiraan kasar
Apa makanannya?
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
Beneran!Foto Spotted ratfish
Spotted ratfish. Foto: 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

Kekuatan bisa

Duri berbisa

Duri tajam membawa bisa. Menginjak atau memegangnya terasa sakit.

Apa efek 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

Seberapa berbahaya bagi manusia?

Bahaya bagi manusia: MenyakitkanBisa 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 dilakukannya saat 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 menusukmu

  • Rendam luka dalam air panas, sepanas yang masih bisa ditahan tanpa melepuh (coba dulu dengan tanganmu sendiri), selama 30 sampai 90 menit. Cari bantuan medis, terutama untuk ikan batu dan ikan pari.

Selalu hubungi nomor darurat dulu (112, 000, 911). Ini panduan pertolongan pertama umum, bukan nasihat medis. Dasar-dasar pertolongan pertama

Tetap aman

  • Jangan pernah menyentuh, menangkap, atau mengganggu hewan liar, walaupun kecil, dan walaupun tampak tidur atau mati.
  • Beri ia ruang. Jika bertemu, tetap tenang, mundur perlahan, dan biarkan ia pergi.
  • Jika durinya menusukmu: tetap tenang, jangan bergerak, hubungi nomor darurat (112, 000, 911) atau segera ke rumah sakit. Ingat seperti apa rupanya, foto sangat membantu.

Ia tidak mengincarmu. Ia memakai bisanya untuk menangkap makanan atau melindungi diri, dan ia jauh lebih suka bersembunyi. Lebih lanjut tentang tetap aman

Di mana di dunia?

AfrikaAsiaEropaAmerika UtaraAmerika SelatanAustralia dan OseaniaSamudra PasifikTeluk California

Seberapa besar dia?

Seberapa panjang dia?

Spotted ratfish panjangnya sekitar 97 cm (3,2 ft)Kucing peliharaan sekitar 50 cm (1,6 ft)Anjing sekitar 1 m (3,3 ft)
sepanjang 2 kucing peliharaan dari hidung ke ekorsepanjang 5 pisang yang dijajarkanbisa berenang sepanjang kolam renang besar (50 m) dalam 12 detik

Seberapa besar Spotted ratfish dibandingkan KAMU?

Hanya hitungan di browsermu. Tidak ada yang disimpan atau dikirim ke mana pun.

Seberapa cepat dia?

layak 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 ahli bisa

Nama ilmiah
Hydrolagus colliei
Kelompok
Ikan berbisa
Keluarga
Chimaeridae2
Urutan
Chimaeriformes
Benua
Samudra Pasifik, Teluk California, Samudra
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 bagi manusia
2 / 5: Menyakitkan3

Dari mana faktanya berasal

  1. Spotted ratfish (Wikipedia (CC BY-SA 4.0))
  2. Hydrolagus colliei (iNaturalist): nama dan klasifikasi.
  3. Venom Wiki: tingkat bahaya, ukuran umum, dan perkiraan kecepatan adalah buatan kami. Lihat cara kami menghitungnya: Cara kami menilai bahaya.

Setiap fakta di halaman ini punya nomor yang menunjuk ke sumbernya. Kalau kami salah, maaf ya, kami penggemar hewan, bukan jurnal ilmiah. Beri tahu kami di [email protected] dan kami akan memperbaikinya.

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