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Igishushanyo cya Greater weever
No. 1206 kuri 1 402

Greater weever

Trachinus draco
Ibyerekeye izina: The word "weever" is thought to come from the Anglo-Saxon word "wivre", meaning "viper".1
Bisaba mugangaNtukayikorehoNi gake yica, ariko niba amahwa yayo akujombye, jya kwa muganga.
Amafi afite ubumara Amahwa afite ubumaraIrya: Inyama
Akaga ku bantu: IkomeyeNiba amahwa yayo akujombye, jya kwa muganga. Abapfa ni bake cyane.

The greater weever is a small sea fish that buries itself in shallow sand along the eastern Atlantic coast and in the Mediterranean and Black Seas. Its spines carry a venom that causes intense pain, so it is one of the most dangerous fishes in the Mediterranean for swimmers.1

Iba muri
Eastern Atlantic from Norway to Morocco, plus the Mediterranean, Aegean and Black Seas1
Inyanja ya Atalantika, Inyanja ya Mediterane, Inyanja y'Amajyaruguru
Ahabanza
It lives in water from shallow depths down to 150 m, mostly over muddy or sandy sea floors. In shallow water it hides in fine sand, where bathers may step on it or fall onto it, especially in summer.1
Uburebure
9,5 cm kugeza kuri 40 cm (3,7 in kugeza kuri 1,3 ft)1
Ibiro
5,3 g kugeza kuri 1,7 kg (0,2 oz kugeza kuri 3,8 lb)1
Umuvuduko wo hejuru
hafi 6 km/h (3,7 mph)
Koga, ikigereranyo cy'ugereranyije
Irya iki?
It is an ambush predator that waits buried in sand during the day, with only its eyes and the tip of its dorsal fin showing. It attacks prey that come close in a swift, sudden movement, mainly small fish, decapods and mysids.1
Koko!Ifoto ya Greater weever
Greater weever. Ifoto: Tomasz Sienicki [user: tsca, mail: tomasz.sienicki at gmail.com]. CC BY 1.0, Wikimedia Commons.

Uko wayimenya

  • Elongated, flattened body with a mouth that points upwards and a lower jaw longer than the upper jaw1
  • Large, flat head with the eyes sitting almost on top of it1
  • Greenish brown colour with several dark marks on the upper side of the head1
  • Yellowish brown flanks with bright blue and yellow broken stripes, plus oblique black stripes along the sides that look tiger-like1
  • Venomous spines on the first dorsal fin and on each gill cover1

Imbaraga z'ubumara

Amahwa afite ubumara

Amahwa atyaye ni yo atwara ubumara. Kuyikandagira cyangwa kuyifata birababaza.

Ubumara bwayo bukora iki?

The venom contains a large protein called Dracotoxin, which can be lethal in high enough doses. It damages cell membranes, and the sting is followed by a short period of tissue changes around the wound. The best-known effect is excruciating pain that begins shortly after the sting and can last from a few hours to days.1

Iteje akaga kangana iki ku bantu?

Akaga ku bantu: IkomeyeNiba amahwa yayo akujombye, jya kwa muganga. Abapfa ni bake cyane.

The most common incident happens when a bather steps, jumps or falls onto a buried greater weever in shallow water, especially in summer. Fishermen handling fish caught in nets are also at risk. The pain can reach 10 out of 10 on the numeric rating scale, and some stings have caused pain for months, though this is rare. Reported fatal accidents exist, but these are widely believed to be due to secondary infections and sepsis rather than the toxin itself.1

Niba amahwa yayo akujombye

  • Shyira igikomere mu mazi ashyushye, ashyushye uko umuntu abyihanganira atiriwe ashya (bigerageze ukoresheje ukuboko kwawe), mu gihe cy'iminota 30 kugeza kuri 90. Shaka ubufasha bwa muganga, cyane cyane ku bya stonefish na stingray.

Buri gihe banza uhamagare nimero y'ubutabazi (112, 000, 911). Izi ni inama rusange z'ubutabazi bw'ibanze, si inama za muganga. Ibanze by'ubutabazi bw'ibanze

Irinde akaga

  • Ntuzigere ukora, ufata cyangwa ushotora inyamaswa yo mu gasozi, nubwo yaba ntoya, kandi nubwo yasa n'isinziriye cyangwa yapfuye.
  • Yihe umwanya. Niba uhuye n'imwe, tuza, usubire inyuma buhoro buhoro kandi uyireke yigendere.
  • Niba amahwa yayo akujombye: tuza, ntunyeganyege, hamagara nimero y'ubutabazi (112, 000, 911) cyangwa ujye ku bitaro vuba. Ibuka uko yasaga, ifoto irafasha.

Ntigushakisha ngo ikugirire nabi. Ikoresha ubumara bwayo kugira ngo ifate ibyo kurya cyangwa yirinde, kandi ikunda cyane kwihisha. Ibindi ku kwirinda

Ni hehe ku isi?

AfurikaAziyaUburayiAmerika y'AmajyaruguruAmerika y'AmajyepfoOsitaraliya na OseyaniyaInyanja ya AtalantikaInyanja ya MediteraneInyanja y'Amajyaruguru

Ingana gute?

Ireshya ite?

Greater weever ireshya hafi 40 cm (1,3 ft)Umuneke hafi 18 cm (7,1 in)Injangwe yo mu rugo hafi 50 cm (1,6 ft)

Iremera ibingana iki?

iremera nk'imineke 14
ireshya n'ibice 12 by'ibikinisho byo kubaka biri ku murongoyakoga uburebure bw'ikidendezi kinini (metero 50) mu masegonda 30

Greater weever ingana ite ugereranyije NAWE?

Ni imibare gusa ikorerwa muri mudasobwa yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.

Yihuta gute?

bikwiye kumenywa

Ibintu by'ukuri

1

Its venom glands sit in the skin, and the sting works through a groove along each spine that carries the venom into the wound.1

2

It is classed as one of the most venomous fishes in the Mediterranean.1

3

The record weight is 1.74 kg, for a specimen caught off La Gomera in the Canary Islands in 2005.1

4

Its diet changes with size: small mysids are the most common prey for fish under 20 cm, while cephalopods and fish make up a bigger share of the diet in larger fish.1

Usenya ibinyoma

Ikinyoma: A weever sting is often thought to be fatal because of the venom itself.

Ukuri: Reported fatal accidents are widely believed to be caused by secondary infections and sepsis rather than the toxin itself.1

Ku bahanga mu by'ubumara

Izina rya siyansi
Trachinus draco
Itsinda
Amafi afite ubumara
Umuryango
Trachinidae2
Itsinda rinini (order)
Perciformes
Imigabane
Inyanja ya Atalantika, Inyanja ya Mediterane, Inyanja y'Amajyaruguru, Inyanja ngari
Abana bato
It is egg-laying and releases its eggs into open water, where each egg is 4.8–6.8 mm across and hatches after about three months. It is not known to provide any parental care.1
Akaga ku bantu
3 / 5: Ikomeye3

Aho ibintu bivugwa bituruka

  1. Greater weever (Wikipedia (CC BY-SA 4.0))
  2. Trachinus draco (iNaturalist): amazina n'ibyiciro.
  3. Venom Wiki: urwego rw'akaga, ingano isanzwe n'ikigereranyo cy'umuvuduko ni ibyacu bwite. Reba uko tubibara: Uko tugena akaga.

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