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Chithunzi chojambula cha Greater weever
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Greater weever

Trachinus draco
Za dzinali: The word "weever" is thought to come from the Anglo-Saxon word "wivre", meaning "viper".1
Ikufuna dokotalaUsakhudzeSiipha kawirikawiri, koma minga yake ikakubaya, pita kwa dokotala.
Nsomba zaululu Minga yaululuImadya: Nyama
Ngozi kwa anthu: YoopsaMinga yake ikakubaya, pita kwa dokotala. Imfa ndi zosowa kwambiri.

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

Imakhala ku
Eastern Atlantic from Norway to Morocco, plus the Mediterranean, Aegean and Black Seas1
Nyanja ya Atlantic, Nyanja ya Mediterranean, Nyanja ya Kumpoto (North Sea)
Kunyumba
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
Kutalika
9,5 cm mpaka 40 cm (3,7 in mpaka 1,3 ft)1
Kulemera
5,3 g mpaka 1,7 kg (0,2 oz mpaka 3,8 lb)1
Liwiro lapamwamba
pafupifupi 6 km/h (3,7 mph)
Kusambira, kuyerekeza chabe
Imadya chiyani?
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
Zoona!Chithunzi cha Greater weever
Greater weever. Chithunzi: Tomasz Sienicki [user: tsca, mail: tomasz.sienicki at gmail.com]. CC BY 1.0, Wikimedia Commons.

Mmene ungaizindikirire

  • 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

Mphamvu ya ululu

Minga yaululu

Minga yakuthwa imanyamula ululu. Kuiponda kapena kuigwira kumapweteka.

Ululu wake umachita chiyani?

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

Ndi yoopsa bwanji kwa anthu?

Ngozi kwa anthu: YoopsaMinga yake ikakubaya, pita kwa dokotala. Imfa ndi zosowa kwambiri.

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

Minga yake ikakubaya

  • Ika bala m'madzi otentha, otentha monga momwe munthuyo angapirire osapsa (yesa ndi dzanja lako), kwa mphindi 30 mpaka 90. Peza thandizo la dokotala, makamaka pa stonefish ndi stingray.

Nthawi zonse yamba wayimbira nambala yadzidzidzi (112, 000, 911). Awa ndi malangizo wamba a chithandizo choyamba, osati malangizo a dokotala. Zoyambira za chithandizo choyamba

Khala wotetezeka

  • Usakhudze, kugwira kapena kuseweretsa nyama yakuthengo, ngakhale yaing'ono, ndipo ngakhale ikuoneka ngati yagona kapena yafa.
  • Ipatse malo. Ukakumana nayo, khala chete, bwerera m'mbuyo pang'onopang'ono ndipo uilole ipite njira yake.
  • Minga yake ikakubaya: khala chete, usasunthe, imbira nambala yadzidzidzi (112, 000, 911) kapena pita kuchipatala mwachangu. Kumbukira m'mene inkaonekera, chithunzi chimathandiza.

Sikufuna kukuvulaza. Imagwiritsa ntchito ululu wake kugwira chakudya kapena kudziteteza, ndipo imakonda kwambiri kubisala. Zambiri za kukhala wotetezeka

Kuti padziko lapansi?

AfricaAsiaUlayaAmereka ya KumpotoAmereka ya KumweraAustralia ndi OceaniaNyanja ya AtlanticNyanja ya MediterraneanNyanja ya Kumpoto (North Sea)

Ndi yaikulu bwanji?

Ndi yaitali bwanji?

Greater weever yaitali pafupifupi 40 cm (1,3 ft)Nthochi pafupifupi 18 cm (7,1 in)Mphaka wapakhomo pafupifupi 50 cm (1,6 ft)

Ndi yolemera bwanji?

yolemera ngati nthochi 14
yaitali ngati zidutswa zomangira zoseweretsa 12 pamzereingasambire kutalika kwa dziwe lalikulu losambira (50 m) m'masekondi 30

Greater weever ndi yaikulu bwanji poyerekeza ndi IWE?

Ndi masamu chabe mu msakatuli wako. Palibe chomwe chimasungidwa kapena kutumizidwa kwina.

Imathamanga bwanji?

zoyenera kudziwa

Mfundo

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

Kuthetsa nthano zabodza

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

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

Za akatswiri a ululu

Dzina la sayansi
Trachinus draco
Gulu
Nsomba zaululu
Banja
Trachinidae2
Dongosolo
Perciformes
Makontinenti
Nyanja ya Atlantic, Nyanja ya Mediterranean, Nyanja ya Kumpoto (North Sea), Nyanja zikuluzikulu
Ana akhanda
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
Ngozi kwa anthu
3 / 5: Yoopsa3

Kumene mfundo zimachokera

  1. Greater weever (Wikipedia (CC BY-SA 4.0))
  2. Trachinus draco (iNaturalist): mayina ndi magulu a sayansi.
  3. Venom Wiki: mlingo wa ngozi, kukula wamba ndi kuyerekeza kwa liwiro ndi zathu. Ona mmene timazipezera: Mmene timayezera ngozi.

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