New Species of Box Jellyfish Found Off Singapore — and It’s Highly Venomous
A new species of box jellyfish, Chironex blakangmati, has been discovered in Singapore's coastal waters. This highly venomous jellyfish has unique features that distinguish it from related species. The study also reported the first sighting of another jellyfish species, Chironex indrasaksajiae, in Singapore waters.
- ▪Chironex blakangmati was identified near Sentosa Island, which means 'Island of Death Behind'.
- ▪The new jellyfish species was initially thought to be Chironex yamaguchii but was found to be genetically distinct.
- ▪The discovery of C. indrasaksajiae in Singapore marks a significant range expansion for this species, typically found in Thai waters.
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Record
| Original publisher | Discover Magazine |
| Canonical URL | https://www.discovermagazine.com/new-species-of-box-jellyfish-found-off-singapore-and-it-s-highly-venomous-49136 |
| Publication time | Thu, 21 May 2026 19:40:00 GMT |
| Retrieval time | 2026-05-21T19:46:35.674Z |
| Last seen | 2026-05-21T19:46:35.674Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | amn_Nbm20QUo · 3 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
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| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
A new species of box jellyfish has been discovered in Singapore’s coastal waters. The highly venomous jelly, named Chironex blakangmati, has unique features not seen in related species.Researchers at Tohoku University in Japan and the National University of Singapore have advanced our understanding of these animals with a new paper published in Raffles Bulletin of Zoology. In addition to identifying C. blakangmati for the first time, the paper also reported the first sighting of the Thai sea wasp, Chironex indrasaksajiae, in the waters off Singapore.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Discover Magazine.
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