
Monoplex thersites
- Water temperature23–29 °C
- Best monthsAugust, September, and October
- How commonRare
Photo credit: (c) Saryu Mae 前 朝琉, some rights reserved (CC BY), uploaded by Saryu Mae 前 朝琉 · CC BY · iNaturalist
About this species
Monoplex thersites is a species of predatory sea snail, a marine gastropod mollusk in the family Cymatiidae.
Text from the Wikipedia article “Monoplex thersites”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 4 records
- February: 4 records
- March: 1 records
- April: 1 records
- May: 2 records
- June: 5 records
- July: 3 records
- August: 9 records
- September: 10 records
- October: 11 records
- November: 4 records
- December: 2 records
Depth and water temperature
Water temperature
Recorded in surface water of 23–29 °C
Photos

(c) Saryu Mae 前 朝琉, some rights reserved (CC BY), uploaded by Saryu Mae 前 朝琉 · CC BY · iNaturalist 
(c) Saryu Mae 前 朝琉, some rights reserved (CC BY), uploaded by Saryu Mae 前 朝琉 · CC BY · iNaturalist
Names and classification
Names in 1 more languages
- Japanese
- ハイイロボラ
Other scientific names: Cymatium (Monoplex) thersites, Triton thersites
Similar species

Gold-Mouthed Triton SnailMonoplex nicobaricus
Giant Hairy Triton SnailMonoplex parthenopeus
Atlantic Hairy TritonMonoplex pilearis
Bristled Triton SnailMonoplex vespaceus
Aquatile hairy tritonMonoplex aquatilis
Sources and credits
Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).
- Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
- Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
- Conservation status as published by GBIF (IUCN Red List).
- 106 open-data records from 1844 to 2011.
- Species data updated November 4, 2026.
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