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Yellow stingray

Urobatis jamaicensis

Inauma tuInauma, lakini haitakudhuru vibaya.

Samaki wenye sumu

KudungwaHula: Nyama

Hatari kwa watu: InaumaInaweza kuuma sana, lakini karibu kamwe si jambo zito.

The yellow stingray is a small ray that lives on the sandy, muddy or seagrass bottoms of shallow coastal waters in the western Atlantic, the Gulf of Mexico and the Caribbean. It spends much of the day buried under sand or lying still. It can sting with a venomous spine on its tail, but it usually ignores divers unless it is stepped on or provoked.1

Anaishi

Western Atlantic: Gulf of Mexico and Caribbean Sea, from North Carolina to Trinidad, including Florida and the Bahamas1

Bahari ya Atlantiki, Bahari ya Karibi, Ghuba ya Meksiko

Nyumbani

It lives in bays, lagoons, estuaries and low-energy surf zones, from the water's edge down to 25 m deep. It likes hard, rocky bottoms covered in small sea creatures, and also sand, mud and seagrass, sometimes near coral reefs. People are most likely to meet it in shallow water while diving or wading.1

Urefu

70 cm (2.3 ft)1

Kasi ya juu

takriban km 14 kwa saa (maili 8.7 kwa saa)

Kuogelea, makadirio

Hula nini?

It eats small invertebrates such as shrimps, and probably worms, clams and small bony fishes. It often settles on prey and traps it against the bottom, then moves it to its mouth with its disc. It may also wave the edges of its disc to dig pits and uncover buried prey.1

Picha ya Yellow stingray — Yellow stingray. Picha: MattWright. CC BY-SA 3.0, Wikimedia Commons.

Jinsi ya kumtambua

Nearly round pectoral fin disc with a short tail and a small, leaf-shaped tail fin.1
Pattern of spots and blotches, either light on dark or dark on light, which varies a lot between individuals.1
Can quickly change the tone and contrast of its colour to match its surroundings.1
Underside is yellowish, greenish or brownish white, with small darker spots near the edge of the disc and the tail.1
A serrated spine sits about halfway along the tail.1

Nguvu ya sumu

Kudungwa

Sumu hutoka kupitia mdungo.

Sumu yake hufanya nini?

The tail spine is coated in potent venom. The wound it causes is extremely painful, but it is seldom life-threatening.1

Ana hatari gani kwa watu?

Hatari kwa watu: InaumaInaweza kuuma sana, lakini karibu kamwe si jambo zito.

It is not aggressive towards people. It injures people only when it is stepped on or otherwise provoked, and the resulting wound is very painful but seldom life-threatening.1

Hufanya nini akiogopa?

When threatened it mostly stays still, buried under sediment or lying in vegetation, and if stepped on or provoked it defends itself with its tail spine.1

Akidunga

Weka jeraha kwenye maji ya moto, moto kiasi ambacho mtu anaweza kuvumilia bila kuungua (pima kwanza kwa mkono wako), kwa dakika 30 hadi 90. Tafuta msaada wa kitabibu, hasa kwa samaki-jiwe na taa.

Daima piga namba ya dharura kwanza (112, 000, 911). Huu ni mwongozo wa jumla wa huduma ya kwanza, si ushauri wa kitabibu. Misingi ya huduma ya kwanza

Kaa salama

Kamwe usimguse, kumkamata wala kumchokoza mnyama wa porini, hata akiwa mdogo, na hata akionekana amelala au amekufa.
Mpe nafasi. Ukikutana naye, tulia, rudi nyuma polepole na umwache aende zake.
Akikudunga: tulia, usitikisike, piga namba yako ya dharura (112, 000, 911) au nenda hospitali haraka. Kumbuka alivyoonekana, picha husaidia.

Hakuwindi wewe. Hutumia sumu yake kukamata chakula au kujilinda, na hupendelea zaidi kujificha. Zaidi kuhusu kukaa salama

Wapi duniani?

Afrika Asia Ulaya Amerika Kaskazini Amerika Kusini Australia na Oceania Bahari ya Atlantiki Bahari ya Karibi Ghuba ya Meksiko

Ana ukubwa gani?

Ana urefu gani?

urefu sawa na ndizi 4 zilizopangwa mstariangeweza kuogelea urefu wa bwawa kubwa (m 50) kwa sekunde 13

Yellow stingray ana ukubwa gani ukilinganisha na WEWE?

Ni hesabu tu kwenye kivinjari chako. Hakuna kinachohifadhiwa wala kutumwa popote.

Ana kasi gani?

Mwogeleaji wa Olimpiki takriban km 8 kwa saa (5 mph)

Yellow stingray takriban km 14 kwa saa (8.7 mph)

Pomboo kwa kasi kamili takriban km 35 kwa saa (22 mph)

inafaa kujua

Ukweli

It glows green when lit by blue or ultraviolet light, a effect called biofluorescence that may help it communicate and camouflage itself.1

It can raise the front of its disc to form a shaded 'cave' that draws in small creatures looking for shelter.1

Off Jamaica, up to one yellow stingray per square metre gathers under mangrove roosts used by cattle egrets, possibly because bird droppings feed the small animals that attract the rays.1

Its eyes give it a 360° view of its surroundings, and each eye has a covering that controls how much light enters.1

It can live for 15 to 25 years.1

Kuvunja dhana potofu

Dhana potofu: Stingrays attack people in the water.

Ukweli: Yellow stingrays generally pay little attention to divers and can be approached closely. They only sting when they are stepped on or otherwise provoked.1

Kwa wataalamu wa sumu

Jina la kisayansi: Urobatis jamaicensis
Kundi: Samaki wenye sumu
Familia: Urotrygonidae2
Mpangilio: Myliobatiformes
Mabara: Bahari ya Atlantiki, Bahari ya Karibi, Ghuba ya Meksiko, Bahari kuu
Watoto: It gives birth to live young, with litters of up to seven. Females have two litters a year in seagrass beds after a gestation period of 5–6 months.1
Muda wa maisha: takriban miaka 251
Hali yake porini: Least Concern1
Hatari kwa watu: 2 / 5: Inauma3

Ukweli unatoka wapi

Yellow stingray (Wikipedia (CC BY-SA 4.0))
Urobatis jamaicensis (iNaturalist): majina na uainishaji.
Venom Wiki: kiwango cha hatari, ukubwa wa kawaida na makadirio ya kasi ni yetu wenyewe. Ona jinsi tunavyovipata: Jinsi tunavyopima hatari.

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