Black sea nettle
The black sea nettle is a large jellyfish with a dark purple to nearly black bell. It lives in the Pacific Ocean off western North America, and it is rare to see except in big swarms that appear in some years. Its stinging tentacles can cause a painful sting to people.1

Bí o ṣe lè dá a mọ̀
- The bell is an opaque dark purple to nearly black colour.1
- The edge of the bell has a lighter brown, net-like (reticulated) pattern.1
- The bell can reach about 1 metre across, and the oral arms can extend 5 or 6 metres.1
- There are marginal sense organs around the bell edge, one after every set of 3 tentacles, 8 in total.1
A sábà máa ń ṣì í mọ̀ sí: No other West Coast jelly that visits nearshore waters has this dark pigmentation, so the very dark colour is the main way to tell it apart.1
Agbára oró
Ẹgbẹẹgbẹ̀rún sẹ́ẹ̀lì ìtani kékeré máa ń ta jáde nígbà tí nǹkan bá fọwọ́ kàn wọ́n.
Kí ni oró rẹ̀ máa ń ṣe?
Each tentacle is covered in thousands of microscopic stinging cells called nematocysts. When touched, they fire a filament that injects toxins, which can kill smaller prey or stun predators. In people, the sting is usually not lethal but is painful and can last for forty minutes.1
Báwo ló ṣe léwu tó fún ènìyàn?
Ewu fún ènìyàn: Ó ń dunniÓ lè dunni gan-an, ṣùgbọ́n kì í fẹ́rẹ̀ẹ́ le rárá.The sting is usually not lethal to people, but it is painful and can last for about forty minutes.1
Kí ni ó máa ń ṣe nígbà tí ẹ̀rù bá bà á?
Its stinging tentacles fire venom-filled filaments on contact, which stun or deter anything that threatens it.1
Bí ó bá ta ni
- Jáde kúrò nínú omi kí o sì yọ gbogbo okùn-ọwọ́ rẹ̀ (tentacles) kúrò (pẹ̀lú ìbọ̀wọ́ tàbí aṣọ).
- Fún box jellyfish ilẹ̀ olóoru: da ọtí kíkan (vinegar) sí ibi tí ó ti ta ni fún ó kéré tán ìṣẹ́jú-àáyá 30, pe fún ìrànlọ́wọ́ kí o sì múra láti ṣe CPR (ìmúsọjí ọkàn àti èémí). Fún bluebottles àti ọ̀pọ̀ àwọn yòókù: fi omi òkun fọ̀ ọ́, lẹ́yìn náà omi gbígbóná fún ìrora náà.
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 ọ̀kan bá ta ọ́: 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?
Báwo ló ṣe tóbi tó?
Báwo ló ṣe gùn tó?
ó gùn tó ológbò ilé 2 láti imú dé ìrù
ó gùn tó ọ̀gẹ̀dẹ̀ 6 tí a tò tẹ̀léra
lè lúwẹ̀ẹ́ gígùn adágún ìwẹ̀ ńlá (50 m) ní ìṣẹ́jú-àáyá 95Báwo ni Black sea nettle 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?
Òtítọ́
It is thought to be the largest invertebrate described in the 20th century.1
Its stomach is lined with fibrous vessels that attach to prey, and its mouth-like openings, called darkmaws, close when exposed to bright light.1
It was only officially described in 1997, after large groups were found on the Pacific coast.1
Its swarms seem to coincide with red tides, which are blooms of the zooplankton it feeds on.1
Ibi tí àwọn òtítọ́ ti wá
- Chrysaora achlyos (Wikipedia (CC BY-SA 4.0))
- Chrysaora achlyos (iNaturalist): orúkọ àti ìpínsísọ̀rí.
- 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.
Okùn-ọwọ́ tó ń ta ni (tentacles)
