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Round stingray

Urobatis halleri
Davart il num: 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
Fa mo malQuai fa mal, ma i na ta fa nagin donn serius.
Peschs tissientads PiztgadasMangia: Charn
Privel per umans: DolurusQuai po far propi mal, ma i n'è bunamain mai grav.

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

Viva en
Northeastern Pacific Ocean, from Humboldt Bay in northern California south to Panama. Most common around southern California and the Baja Peninsula.1
Ocean Pacific, Golf da California
Pagina iniziala
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
Lunghezza
31 cm (1 ft)1
Sveltezza maximala
circa 13 km/h (8,1 mph)
Nudar, stima approximativa
Tge mangia el?
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
Propi!Foto da Round stingray
Round stingray. Foto: michael h j c from California, USA. CC BY-SA 2.0, Wikimedia Commons.

Co renconuscher el

  • 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

Savens confundì cun: 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

Forza dal tissi

Piztgadas

Il tissi vegn or tras in aguigl.

Tge fa ses tissi?

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

Quant privlus è el per umans?

Privel per umans: DolurusQuai po far propi mal, ma i n'è bunamain mai grav.

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

Sch'el piztga

  • Metta la plaja en aua chauda, uschè chauda sco che la persuna po supportar senza sa brischar (emprova cun tes agen maun), durant 30 fin 90 minutas. Tschertga agid medicinal, surtut tar peschs crap e rajas.

Clama adina l'emprim tes numer d'urgenza (112, 000, 911). Quai è in cussegl general d'emprim agid, betg in cussegl medicinal. Basa da l'emprim agid

Resta en segirezza

  • Na tutga, na piglia e na tizza mai in animal selvadi, gnanc in pitschen, ed era sch'el para da durmir u d'esser mort.
  • Dà spazi a l'animal. Sche ti scuntras in, resta calm, va plaun enavos e lascha ir el per sia via.
  • Sch'in tal animal ta piztga: resta calm, na ta mova betg, clama tes numer d'urgenza (112, 000, 911) u va spert en in ospital. Ta regorda co ch'el veseva or, ina foto gida.

El n'ha betg quai sin tai. El dovra ses tissi per pigliar nutriment u per sa defender, e sa zuppa bler pli gugent. Dapli davart la segirezza

Nua sin il mund?

AfricaAsiaEuropaAmerica dal NordAmerica dal SidAustralia ed OceaniaOcean PacificGolf da California

Quant grond è el?

Quant lung è el?

Round stingray circa 31 cm lung (1 ft)Ina banana circa 18 cm (7,1 in)In giat da chasa circa 50 cm (1,6 ft)
uschè lung sco 10 bluccs da construcziun in suenter l'auterpudess nudar la lunghezza d'in grond bassin (50 m) en 14 secundas

Quant grond è Round stingray cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn memorisà u tramess.

Quant svelt è el?

bun da savair

Fatgs

1

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

2

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

3

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

4

Females can store sperm all year round.1

5

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

Per experts da tissi

Num scientific
Urobatis halleri
Gruppa
Peschs tissientads
Famiglia
Urotrygonidae2
Urden
Myliobatiformes
Continents
Ocean Pacific, Golf da California, Ils oceans
Poppins
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
Co ch'i va ad el en la natira
Least Concern (IUCN Red List)1
Privel per umans
2 / 5: Dolurus3

Da nua che vegnan ils fatgs

  1. Round stingray (Wikipedia (CC BY-SA 4.0))
  2. Urobatis halleri (iNaturalist): nums e classificaziun.
  3. Venom Wiki: il stgalim da privel, la grondezza tipica e la stima da la sveltezza èn noss agens. Guarda co che nus als calculain: Co che nus valitain il privel.

Mintga fatg sin questa pagina ha in numer che renvia a sia funtauna. Sche nus avain fatg in sbagl, perstgisa, nus essan fans d'animals, betg ina revista scientifica. Scriva a nus a [email protected] e nus curregin.

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