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Bat ray

Myliobatis californica

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

Ikan berbisa

SengatanMakan: Daging

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

The bat ray is a flat, diamond-shaped fish related to sharks, with wing-like fins that it flaps to swim. It lives in shallow coastal waters from central Oregon in the USA down to the Gulf of California in Mexico, and around the Galápagos Islands. It has a venomous spine near the base of its tail, but it uses it only when it feels threatened.1

Hidup di

Coastal waters from central Oregon (USA) to the Gulf of California (Mexico), and the Galápagos Islands area1

Lautan Pasifik, Teluk California

Laman utama

Bat rays live in muddy or sandy sloughs, estuaries and bays, kelp beds, and rocky-bottomed shorelines. They are often found in flat, shallow water with sand patches between rocks. People can meet them in shallow sand, so walking there calls for care.1

Panjang

1.8 m (5.9 ft)1

Berat

9.1 kg hingga 91 kg (20 lb hingga 201 lb)1

Kelajuan maksimum

kira-kira 22 km/j (14 mph)

Berenang, anggaran kasar

Apa yang ia makan?

Bat rays eat molluscs, crustaceans and small fish from the seabed. They use their wing-like fins to move sand and expose prey, and may dig pits up to 20 cm deep with their snouts to reach buried clams. Their flat, pavement-like teeth crush shells, and the hard pieces are spat out while the soft parts are swallowed.1

Gambar Bat ray — Bat ray. Gambar: Martin Holst Friborg Pedersen from Copenhagen S, Denmark. CC BY 2.0, Wikimedia Commons.

Cara mengenalinya

Diamond-shaped body, with wing-like pectoral fins that end in blunt points1
Broad head raised higher than the fins, with eyes set on the sides of the head1
Dark back, black or dark brown, with a white underside1
Whip-like tail with at least one venomous spine at its base1
Usually two small cephalic horns (projections from the front of the head) used for pushing food into the mouth1

Kuasa bisa

Sengatan

Bisa keluar melalui penyengat.

Berapa bahaya ia kepada manusia?

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

The bat ray is not considered dangerous to people. It uses its venomous tail spine only when it is attacked or frightened.1

Apa yang ia buat apabila takut?

The bat ray camouflages itself in the sand and uses its tail spine only when attacked or frightened.1

Jika ia menyengat

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 ia menyengat 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 Lautan Pasifik Teluk California

Berapa besar ia?

Berapa panjang ia?

Berapa berat ia?

seberat 5 ekor anjing

sepanjang 4 ekor kucing rumah dari hidung ke ekorsepanjang 10 biji pisang disusun hujung ke hujungboleh berenang sepanjang kolam renang besar (50 m) dalam 8.2 saat

Berapa besar Bat ray berbanding KAMU?

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

Berapa laju ia?

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

Bat ray kira-kira 22 km/j (14 mph)

Ikan lumba-lumba pada kelajuan penuh kira-kira 35 km/j (22 mph)

berguna untuk diketahui

Fakta

Bat rays dig pits in the seabed that can be up to 4 m long, and small fish gather to eat the creatures the rays expose.1

The bat ray's young are born with the spine's sheath, which falls off within hours of birth.1

Bat rays can grow to a wingspan of 1.8 m, and the largest individuals weigh about 91 kg.1

Some bat rays live alone, while others form schools of thousands.1

Bat rays have teeth that are replaced continuously, as is the case with all elasmobranchs (sharks, rays and their relatives).1

Pemecah mitos

Mitos: Bat rays are dangerous to people because of their venomous spine.

Hakikat: Bat rays are not considered dangerous. They use the spine only when attacked or frightened, and people can avoid it by shuffling their feet when walking through shallow sand.1

Untuk pakar bisa

Nama saintifik: Myliobatis californica
Kumpulan: Ikan berbisa
Keluarga: Myliobatidae2
Susunan: Myliobatiformes
Benua-benua: Lautan Pasifik, Teluk California, Lautan
Anak: Bat rays are ovoviviparous, so the eggs hatch inside the mother and the young are born live. A litter has two to ten pups, which are born tail first with their fins wrapped around their bodies.1
Jangka hayat: kira-kira 23 tahun1
Keadaannya di alam liar: Least Concern1
Bahaya kepada manusia: 2 / 5: Menyakitkan3

Dari mana fakta datang

Bat ray (Wikipedia (CC BY-SA 4.0))
Myliobatis californica (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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