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Round stingray

Urobatis halleri

Tentang nama: The species name halleri honours the young son of Major Granville O. Haller of the United States Army, who was stung on the foot while wading in San Diego Bay.1

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 round stingray is a small, common ray that lives close to shore along the Pacific coast of the Americas. It is best known on the beaches of southern California, where people are sometimes stung when they accidentally step on one. Its sting is painful but not fatal.1

Hidup di

Northeastern Pacific Ocean, from Humboldt Bay in northern California south to Panama. Most common around southern California and the Baja Peninsula.1

Lautan Pasifik, Teluk California

Laman utama

It lives in warm coastal and bay waters, usually less than 15 m deep, over soft mud or sand, often among eelgrass. It also occurs around rocky reefs. People most often meet it on the beaches of southern California, especially the 'Ray Bay' at the northern end of Seal Beach, which is used as a nursery ground.1

Panjang

31 cm (1 ft)1

Kelajuan maksimum

kira-kira 13 km/j (8.1 mph)

Berenang, anggaran kasar

Apa yang ia makan?

Round stingrays feed mostly on benthic invertebrates (animals living on the seabed). Juveniles eat polychaete worms and small benthic crabs, and adults shift towards bivalve molluscs. They dig large pits with their pectoral disc and mouth to uncover buried prey.1

Gambar Round stingray — Round stingray. Gambar: michael h j c from California, USA. CC BY-SA 2.0, Wikimedia Commons.

Cara mengenalinya

Nearly round pectoral fin disc, usually brown or grey-brown above with pale yellow spots or reticulations (a net-like pattern)1
Some individuals are plain or black1
Underside is white to yellowish1
Short, stout tail with a long, thick, serrated stinging spine1

Sering dikelirukan dengan: The Cortez round stingray (Urobatis maculatus) looks very similar and is sometimes sold under the same aquarium names. The round stingray can be told apart because it lacks the black spots on either side of its disc that the Cortez round stingray has.1

Kuasa bisa

Sengatan

Bisa keluar melalui penyengat.

Apa kesan bisanya?

The venomous spine on its tail delivers a sting that is quite painful. The sting is not fatal.1

Berapa bahaya ia kepada manusia?

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

Every year, hundreds of beachgoers along the coast of southern California are accidentally stung by round stingrays. The stings are painful but non-fatal. The injuries usually happen when people step on the ray.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?

sepanjang 10 blok binaan mainan disusun sebarisboleh berenang sepanjang kolam renang besar (50 m) dalam 14 saat

Berapa besar Round stingray 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)

Round stingray kira-kira 13 km/j (8.1 mph)

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

berguna untuk diketahui

Fakta

The tail spine is shed and replaced regularly. For most of the year the ray has only one spine, but small secondary spines begin to appear in early July, and the replacement is complete by December.1

The species name honours a boy who was stung while wading in San Diego Bay.1

Females give off a weak electric field from near the spiracles behind each eye, which attracts males.1

Females can store sperm all year round.1

Their digging uncovers buried prey for smaller fish, which gives them an important role in the ecosystem.1

Untuk pakar bisa

Nama saintifik: Urobatis halleri
Kumpulan: Ikan berbisa
Keluarga: Urotrygonidae2
Susunan: Myliobatiformes
Benua-benua: Lautan Pasifik, Teluk California, Lautan
Anak: Round stingrays give birth to live young, in litters of 1 to 6 (average 2 to 3). The young measure 6 to 8 cm across at birth, after a gestation of about three months.1
Keadaannya di alam liar: Least Concern (IUCN Red List)1
Bahaya kepada manusia: 2 / 5: Menyakitkan3

Dari mana fakta datang

Round stingray (Wikipedia (CC BY-SA 4.0))
Urobatis halleri (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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