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Àwòrán kátúùnù Greater weever
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Greater weever

Trachinus draco
Nípa orúkọ náà: The word "weever" is thought to come from the Anglo-Saxon word "wivre", meaning "viper".1
Ó nílò dókítàMá ṣe fọwọ́ kàn ánKì í sábà pani, ṣùgbọ́n bí ẹ̀gún rẹ̀ bá gún ọ, lọ rí dókítà.
Ẹja olóró Ẹ̀gún olóróOúnjẹ rẹ̀: Ẹran
Ewu fún ènìyàn: Ó le gan-anBí ẹ̀gún rẹ̀ bá gún ọ, lọ rí dókítà. Ikú kò wọ́pọ̀ rárá.

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

Ó ń gbé ní
Eastern Atlantic from Norway to Morocco, plus the Mediterranean, Aegean and Black Seas1
Òkun Àtìláńtíìkì, Òkun Mẹditaréníà, Òkun Àríwá
Ilé
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
Gígùn
9.5 cm sí 40 cm (3.7 in sí 1.3 ft)1
Ìwúwo
5.3 g sí 1.7 kg (0.2 oz sí 3.8 lb)1
Ìyára gíga jùlọ
nǹkan bí 6 km/h (3.7 mph)
Lílúwẹ̀ẹ́, àfojúbù
Kí ni ó máa ń jẹ?
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
Ní tòótọ́!Fọ́tò Greater weever
Greater weever. Fọ́tò: Tomasz Sienicki [user: tsca, mail: tomasz.sienicki at gmail.com]. CC BY 1.0, Wikimedia Commons.

Bí o ṣe lè dá a mọ̀

  • 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

Agbára oró

Ẹ̀gún olóró

Ẹ̀gún mímú ló ń gbé oró náà. Títẹ̀ ẹ́ mọ́lẹ̀ tàbí dídì í mú máa ń dunni.

Kí ni oró rẹ̀ máa ń ṣe?

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

Báwo ló ṣe léwu tó fún ènìyàn?

Ewu fún ènìyàn: Ó le gan-anBí ẹ̀gún rẹ̀ bá gún ọ, lọ rí dókítà. Ikú kò wọ́pọ̀ rárá.

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

Bí ẹ̀gún rẹ̀ bá gún ọ

  • Fi ọgbẹ́ náà sínú omi gbígbóná, tó gbóná tó bí ẹni náà ṣe lè fara dà á láìjóná (fi ọwọ́ ara rẹ dán an wò), fún ìṣẹ́jú 30 sí 90. Wá ìrànlọ́wọ́ ìṣègùn, pàápàá fún ẹja òkúta àti stingray.

Máa kọ́kọ́ pe nọ́ńbà pàjáwìrì rẹ nígbà gbogbo (112, 000, 911). Èyí jẹ́ ìtọ́sọ́nà ìtọ́jú àkọ́kọ́ gbogbogbò, kì í ṣe ìmọ̀ràn ìṣègùn. Ìpìlẹ̀ ìtọ́jú àkọ́kọ́

Wà láìléwu

  • Má ṣe fọwọ́ kan, mú tàbí yọ ẹranko igbó lẹ́nu láéláé, kódà bí ó bá kéré, kódà bí ó bá dà bí ẹni pé ó ń sùn tàbí ó ti kú.
  • Fún un ní àyè. Bí o bá pàdé ọ̀kan, farabalẹ̀, sẹ́yìn díẹ̀díẹ̀ kí o sì jẹ́ kí ó máa bá ọ̀nà rẹ̀ lọ.
  • Bí ẹ̀gún rẹ̀ bá gún ọ: farabalẹ̀, má ṣe mira, pe nọ́ńbà pàjáwìrì rẹ (112, 000, 911) tàbí lọ sí ilé ìwòsàn kíákíá. Rántí bí ó ṣe rí, fọ́tò máa ń ṣèrànwọ́.

Kò wá ọ kiri láti ṣe ọ́ léṣe. Ó ń lo oró rẹ̀ láti mú oúnjẹ tàbí láti dáàbò bo ara rẹ̀, ó sì fẹ́ràn láti farapamọ́ jù. Sí i nípa wíwà láìléwu

Níbo ní ayé?

ÁfíríkàÉṣíàYúróòpùÀríwá Amẹ́ríkàGúúsù Amẹ́ríkàỌsirélíà àti ÒṣéáníàÒkun ÀtìláńtíìkìÒkun MẹditaréníàÒkun Àríwá

Báwo ló ṣe tóbi tó?

Báwo ló ṣe gùn tó?

Greater weever gígùn rẹ̀ tó nǹkan bí 40 cm (1.3 ft)Ọ̀gẹ̀dẹ̀ kan nǹkan bí 18 cm (7.1 in)Ológbò ilé nǹkan bí 50 cm (1.6 ft)

Báwo ló ṣe wúwo tó?

ó wúwo tó ọ̀gẹ̀dẹ̀ 14
ó gùn tó bíríkì ìṣeré 12 tí a tò sí ìlà kanlè lúwẹ̀ẹ́ gígùn adágún ìwẹ̀ ńlá (50 m) ní ìṣẹ́jú-àáyá 30

Báwo ni Greater weever ṣe tóbi tó tí a bá fi wé ÌWỌ?

Ìṣirò nìkan nínú bráwúsà rẹ. A kò fi ohunkóhun pamọ́, a kò sì fi ránṣẹ́ sí ibikíbi.

Báwo ló ṣe yára tó?

ó yẹ ní mímọ̀

Òtítọ́

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

Olùfọ́ àròsọ

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

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

Fún àwọn amòye oró

Orúkọ sáyẹ́ǹsì
Trachinus draco
Ẹgbẹ́
Ẹja olóró
Ìdílé
Trachinidae2
Ètò
Perciformes
Àwọn kọ́ńtínẹ́ńtì
Òkun Àtìláńtíìkì, Òkun Mẹditaréníà, Òkun Àríwá, Àwọn òkun ńlá
Àwọn ọmọ
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
Ewu fún ènìyàn
3 / 5: Ó le gan-an3

Ibi tí àwọn òtítọ́ ti wá

  1. Greater weever (Wikipedia (CC BY-SA 4.0))
  2. Trachinus draco (iNaturalist): orúkọ àti ìpínsísọ̀rí.
  3. Venom Wiki: ìpele ewu, ìtóbi déédé àti àfojúbù ìyára jẹ́ tiwa. Wo bí a ṣe ń ṣírò wọn: Bí a ṣe ń díwọ̀n ewu.

Gbogbo òtítọ́ ojú-ìwé yìí ní nọ́ńbà tó tọ́ka sí orísun rẹ̀. Bí a bá ṣe àṣìṣe, má bínú, olólùfẹ́ ẹranko ni wá, kì í ṣe ìwé ìròyìn sáyẹ́ǹsì. Sọ fún wa ní [email protected] a ó sì tún un ṣe.

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