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Giant freshwater stingray

Urogymnus polylepis

Na ntina ya kombo: The scientific name polylepis comes from the Greek words for 'many' and 'scales'.1

Esengeli mongangaEbomaka mbala moke, kasi soki etubi yo, kende epai ya monganga.

Mbisi ya venin

KotubaElyaka: Mosuni

Likama mpo na bato: Ya makasiSoki etubi yo, kende epai ya monganga. Kokufa ezalaka mpenza mbala moke.

The giant freshwater stingray is a large ray that lives in big rivers and estuaries in Southeast Asia and Borneo. It is the widest freshwater fish in the world, and it is now endangered because of fishing and habitat loss. It has a long, whip-like tail with a sharp spine near the base.1

Ezalaka na

Large rivers and estuaries of Indochina (such as the Mekong and Chao Phraya) and Borneo1

Azia

Ebandeli

It lives on the sandy or muddy bottom of large rivers and their estuaries. It is sometimes found near heavily populated urban areas, and individuals are often seen at the edge of the river.1

Molai

5 m (16 ft)1

Kilo

300 kg kino 600 kg (661 lb kino 1323 lb)1

Mbangu ya likolo

pene na 30 km/h (19 mph)

Kobeta mai, kokanisa ya pene

Elyaka nini?

It eats small fishes and invertebrates such as crustaceans and molluscs that live on the bottom. It finds them using electroreceptors, which sense the weak electrical signals of living animals.1

Foto ya Giant freshwater stingray — Giant freshwater stingray. Foto: BEDO (Thailand). CC BY-SA 4.0, iNaturalist.

Ndenge ya koyeba yango

Plain grayish brown on top, often with a yellowish or pinkish tint towards the fin edges1
White underside with broad dark bands on the rear edges of the pectoral and pelvic fins1
Thin, whip-like tail that is black behind the spine and has no fin folds1
Sharply pointed snout that projects beyond the disc1
A single serrated stinging spine on the upper tail near its base, up to 38 cm long1

Bakosanaka yango mbala mingi na: Similar freshwater stingrays in South Asia, Southeast Asia and Australasia were once tentatively grouped with this species. Some of them, such as the Australian Urogymnus dalyensis, are now described as separate species.1

Makasi ya venin

Kotuba

Venin ebimaka na nzela ya nsende ya kotuba.

Venin na yango esalaka nini?

Its sting is sheathed in toxic mucus. The sting is capable of piercing bone.1

Likama na yango mpo na bato ezali boni?

Likama mpo na bato: Ya makasiSoki etubi yo, kende epai ya monganga. Kokufa ezalaka mpenza mbala moke.

The giant freshwater stingray is not aggressive. Its sting is strong enough to pierce bone and is coated in toxic mucus, so it should be treated with care.1

Soki etubi

Tia mpota na mai ya moto, ya moto ndenge moto akoki kondima kozanga kozika (meka yango liboso na loboko na yo moko), mpo na miniti 30 kino 90. Luka lisalisi ya monganga, mingi mpenza mpo na ba poisson-pierre mpe ba raie.

Benga ntango nyonso nimero ya urgence liboso (112, 000, 911). Oyo ezali toli ya lisalisi ya liboso, ezali toli ya monganga te. Makambo ya moboko ya lisalisi ya liboso

Zala na libateli

Ata mokolo moko te, simba, kanga to silikisa nyama ya zamba te, ata ya moke, mpe ata soki emonani lokola elali to ekufi.
Tika yango esika. Soki okutani na moko, zala kimia, zonga sima malembe mpe tika ekende nzela na yango.
Soki moko etubi yo: zala kimia, ningana te, benga nimero ya urgence na yo (112, 000, 911) to kende na lopitalo noki. Kanisa ndenge ezalaki, foto esalisaka.

Ezali koluka yo te. Esalelaka venin na yango mpo na kokanga bilei to komibatela, mpe elingaka mingi kobombama. Makambo mosusu mpo na komibatela

Wapi na mokili?

Afrika Azia Erópa Amerika ya Nord Amerika ya Sude Australia & Océanie

Monene na yango boni?

Molai na yango boni?

Kilo na yango boni?

kilo lokola bambwa 30

molai lokola bambwa 5, zolo kino mokilamolai lokola bitabe 28 oyo etiami moko na sima ya mosusuekoki kobeta mai molai ya piscine monene (50 m) na sekonde 6

Giant freshwater stingray azali monene boni soki tokokanisi na YO?

Kaka ba calcul na navigateur na yo. Eloko moko te ebombamaka to etindamaka esika moko.

Mbangu na yango boni?

Mobeti mai ya Jeux Olympiques pene na 8 km/h (5 mph)

Giant freshwater stingray pene na 30 km/h (19 mph)

Dauphin oyo ezali kopota mbangu makasi pene na 35 km/h (22 mph)

malamu koyeba

Makambo ya solo

In June 2022, a specimen caught in the Mekong River was reported as the largest strict freshwater fish ever documented, at about 300 kg.1

It is the widest freshwater fish in the world, growing up to 2.2 m across.1

Its tail spine is up to 38 cm long, the largest of any stingray species.1

Pups are nourished in the womb by a milk-like substance called histotroph, or 'uterine milk', made by the mother.1

In Cambodia, the average weight of a landed ray fell from 23.2 kg in 1980 to 6.9 kg in 2006.1

Mpo na ba expert ya venin

Kombo ya siansi: Urogymnus polylepis
Ebota: Mbisi ya venin
Libota: Dasyatidae2
Molongo: Myliobatiformes
Bakontina: Azia
Bana: It gives birth to live young. Females have litters of one to four pups, each about 30 cm across at birth.1
Ndenge ezali kobika na zamba: Endangered (IUCN overall); Critically Endangered in Thailand1
Likama mpo na bato: 3 / 5: Ya makasi3

Esika makambo euti

Giant freshwater stingray (Wikipedia (CC BY-SA 4.0))
Urogymnus polylepis (iNaturalist): bankombo mpe classification.
Venom Wiki: niveau ya likama, monene ya momesano mpe kokanisa ya mbangu ezali ya biso moko. Tala ndenge tolukaka yango: Ndenge tomekaka likama.

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