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Risba: Greater weever
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Greater weever

Trachinus draco
O imenu: The word "weever" is thought to come from the Anglo-Saxon word "wivre", meaning "viper".1
Potreben je zdravnikNe dotikaj seLe redko smrtno nevarno, a če te zbode z bodicami, pojdi k zdravniku.
Strupene ribe Strupene bodiceJe: Meso
Nevarnost za ljudi: ResnoČe te zbode z bodicami, pojdi k zdravniku. Smrtni primeri so zelo redki.

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

Živi v
Eastern Atlantic from Norway to Morocco, plus the Mediterranean, Aegean and Black Seas1
Atlantski ocean, Sredozemsko morje, Severno morje
Domov
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
Dolžina
9,5 cm do 40 cm (3,7 in do 1,3 ft)1
Teža
5,3 g do 1,7 kg (0,2 oz do 3,8 lb)1
Največja hitrost
približno 6 km/h (3,7 mph)
Plavanje, groba ocena
Kaj je?
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
Zares!Fotografija: Greater weever
Greater weever. Fotografija: Tomasz Sienicki [user: tsca, mail: tomasz.sienicki at gmail.com]. CC BY 1.0, Wikimedia Commons.

Kako jo prepoznaš

  • 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

Moč strupa

Strupene bodice

Ostre bodice nosijo strup. Če stopiš nanjo ali jo primeš, boli.

Kaj naredi njen strup, ko ugrizne ali piči?

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

Kako nevarna je za ljudi?

Nevarnost za ljudi: ResnoČe te zbode z bodicami, pojdi k zdravniku. Smrtni primeri so zelo redki.

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

Če te zbode z bodicami

  • Rano daj v vročo vodo, tako vročo, kot jo poškodovanec prenese, ne da bi se opekel (preizkusi jo s svojo roko), za 30 do 90 minut. Poišči zdravniško pomoč, še posebej pri kamnitih ribah in morskih bičih.

Vedno najprej pokliči številko za klic v sili (112, 000, 911). To so splošna navodila za prvo pomoč, ne zdravniški nasvet. Osnove prve pomoči

Ostani varen

  • Nikoli se ne dotikaj divje živali, je ne lovi in je ne draži, tudi če je majhna in tudi če je videti, kot da spi ali je mrtva.
  • Pusti ji prostor. Če jo srečaš, ostani miren, počasi stopi nazaj in jo pusti, da gre svojo pot.
  • Če te zbode z bodicami: ostani miren, ne premikaj se, pokliči številko za klic v sili (112, 000, 911) ali hitro pojdi v bolnišnico. Zapomni si, kako je izgledala, fotografija pomaga.

Ne preži nate. Strup uporablja, da ulovi hrano ali se zaščiti, in se veliko raje skrije. Več o varnosti

Kje na svetu?

AfrikaAzijaEvropaSeverna AmerikaJužna AmerikaAvstralija in OceanijaAtlantski oceanSredozemsko morjeSeverno morje

Kako velika je?

Kako dolga je?

Greater weever približno 40 cm dolga (1,3 ft)Banana približno 18 cm (7,1 in)Domača mačka približno 50 cm (1,6 ft)

Koliko tehta?

težka kot 14 banan
dolga kot 12 kock za igranje v vrstizmore preplavati dolžino velikega bazena (50 m) v 30 sekundah

Kakšne velikosti je Greater weever v primerjavi s TABO?

Samo matematika v tvojem brskalniku. Nič se ne shrani in nič se nikamor ne pošlje.

Kako hitra je?

vredno vedeti

Dejstva

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

Razbijalec mitov

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

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

Za strokovnjake za strupe

Znanstveno ime
Trachinus draco
Skupina
Strupene ribe
Družina
Trachinidae2
Red
Perciformes
Celine
Atlantski ocean, Sredozemsko morje, Severno morje, Oceani
Mladiči
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
Nevarnost za ljudi
3 / 5: Resno3

Od kod so dejstva

  1. Greater weever (Wikipedia (CC BY-SA 4.0))
  2. Trachinus draco (iNaturalist): imena in razvrstitev.
  3. Venom Wiki: stopnja nevarnosti, tipična velikost in ocena hitrosti so naše lastne. Poglej, kako jih določimo: Kako ocenjujemo nevarnost.

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