Crown cone
The crown cone is a sea snail that lives in warm western Atlantic waters. It is a predator, and its sting can injure or kill people, so it is one to treat with great care. It is known to science for its unusually complex venom.1

Indlela yokusiqaphela
Amandla etyhefu yokuluma nokuhlaba
Ityhefu iphuma ngenaliti yokuhlaba.
Ityhefu yaso yokuluma okanye yokuhlaba yenza ntoni?
Its venom contains a conotoxin called reg2a, which is made of 16 amino acids. It is the most potent known blocker of acetylcholine receptors in the vertebrate brain, a receptor type with a very high affinity for nicotine. The venom also blocks calcium receptors in sensory nerve cells, which stops nerve impulses from travelling along the nerve.1
Siyingozi kangakanani ebantwini?
Ingozi ebantwini: KubuhlunguKunokuba buhlungu ngokwenene, kodwa phantse akusoze kube kubi kakhulu.The crown cone is capable of stinging and injuring or killing humans. Live snails should be handled carefully or not at all.1
Ukuba siyahlaba
- Ukubopha ngoxinzelelo nokunqanda ukushukuma (pressure immobilisation): songa ibhandeji eqinileyo enwebekayo phezu kwendawo elunyiweyo uze unyuke ngelungu lonke, uliqinise ngesiplinti, kwaye ugcine umntu engashukumi kwaphela de kufike uncedo.
- Ingwane enamakhonkco aluhlaza okwesibhakabhaka okanye inkumba ye-cone inokwenza umntu ayeke ukuphefumla esaphaphile: biza uncedo kwaye ulungele ukumphefumlela (rescue breaths) de i-ambulensi ithathe izintambo.
Soloko utsalela inombolo kaxakeka kuqala (112, 000, 911). Esi sisikhokelo soncedo lokuqala ngokubanzi, asilocebiso lwezonyango. Iziseko zoncedo lokuqala
Hlala ukhuselekile
- Ungaze uchukumise, ubambe okanye uqhule isilwanyana sasendle, nokuba sincinci, kwaye nokuba sibonakala silele okanye sifile.
- Sinike indawo. Ukuba udibana naso, hlala uzolile, buyela umva kancinci kwaye usiyeke sihambe ngendlela yaso.
- Ukuba siyakuhlaba: hlala uzolile, musa ukushukuma, tsalela inombolo kaxakeka (112, 000, 911) okanye uye esibhedlele ngokukhawuleza. Khumbula ukuba sasikhangeleka njani, ifoto iyanceda.
Asikuzingeli. Sisebenzisa ityhefu yaso ukubamba ukutya okanye ukuzikhusela, kwaye singakhetha ukuzimela. Okungakumbi malunga nokuhlala ukhuselekile
Phi emhlabeni?
Sikhulu kangakanani?
Side kangakanani?
ubude obulingana neebhloko zokudlala zokwakha eziyi-2,5 zilandelelana
sicotha kunenkumba yasegadiniU-Crown cone mkhulu kangakanani xa uthelekisa NAWE?
Zizibalo nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwa naphi na.
Sikhawuleza kangakanani?
Iinyaniso
Apho iinyaniso zivela khona
- Conus regius (Wikipedia (CC BY-SA 4.0))
- Conus regius (iNaturalist): amagama nokuhlelwa.
- Venom Wiki: inqanaba lengozi, ubungakanani obuqhelekileyo noqikelelo lwesantya zezethu. Bona indlela esizifumana ngayo: Indlela esilinganisa ngayo ingozi.
Inyaniso nganye kweli phepha inenombolo ebonisa umthombo wayo. Ukuba senze impazamo, uxolo, sithanda izilwanyana, asiyomagazini yenzululwazi. Sixelele ku-[email protected] kwaye siza kuyilungisa.
Ukuhlaba