Maculated top shell
Trochus maculatus
- Usual depth4–38 m
- Water temperature22–30 °C
- Best monthsFebruary, May, and July
- How commonOccasional
About this species
Trochus maculatus, common name the maculated top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Text from the Wikipedia article “Trochus maculatus”, 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: 0 records
- February: 21 records
- March: 4 records
- April: 5 records
- May: 24 records
- June: 19 records
- July: 21 records
- August: 16 records
- September: 11 records
- October: 11 records
- November: 1 records
- December: 13 records
Depth and water temperature
Depth
Mostly recorded at 4–38 m · Deepest record: 46.5 m
Water temperature
Recorded in surface water of 22–30 °C
Names and classification
- English
- Maculated top shell, Mottled topsnail, maculated top shell, mottled topsnail, red spotted topshell
Names in 4 more languages
- German
- Gefleckte Kreiselschnecke
- Japanese
- ニシキウズ
- Thai
- หอยนมสาว
- Simplified Chinese
- 花斑鐘螺
Other scientific names: Polydonta gibberula, Tectus maculatus, Trochus grandinatus, Trochus smaragdus, Trochus verrucosus
Similar species
- Ribbon Monodonta
Austrocochlea constricta
- Zebra Snail
Austrocochlea porcata
- Labio
Monodonta labio

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).
- 434 open-data records from 1758 to 2023.
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