Scutus unguis
- Usual depth2–75 m
- Water temperature15–29 °C
- Best monthsJanuary, June, and September
- How commonOccasional
About this species
Scutus unguis, common name the northern duck's bill, is a species of large sea snail or limpet, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.
Text from the Wikipedia article “Scutus unguis”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
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Best months
Worldwide (open data)
- January: 18 records
- February: 14 records
- March: 5 records
- April: 6 records
- May: 16 records
- June: 24 records
- July: 14 records
- August: 11 records
- September: 24 records
- October: 17 records
- November: 8 records
- December: 10 records
Depth and water temperature
Depth
Mostly recorded at 2–75 m · Deepest record: 165 m
Water temperature
Recorded in surface water of 15–29 °C
Names and classification
Names in 1 more languages
- Japanese
- リュウキュウオトメガサ
Other scientific names: Parmophorus corrugatus, Parmophorus elegans, Parmophorus granulatus, Parmophorus imbricatus, Patella unguis, Scutus (Aviscutum) unguis, Scutus angustatus, Scutus corrugatus, Scutus granulatus, Scutus parunguis
Similar species
- black keyhole limpet
Amblychilepas nigrita
- Javan Keyhole Limpet
Amblychilepas javanicensis
- oblong keyhole limpet
Amblychilepas oblonga
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).
- 432 open-data records from 1758 to 2016.
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