DiscoverSpeciesOther invertebrates
Ditrupa gracillima
- Usual depth18–75 m
- Water temperature16–30 °C
- Best monthsMarch and November
- How commonRare
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 3 records
- February: 3 records
- March: 24 records
- April: 1 records
- May: 0 records
- June: 0 records
- July: 5 records
- August: 11 records
- September: 3 records
- October: 11 records
- November: 19 records
- December: 5 records
Depth and water temperature
Depth
Mostly recorded at 18–75 m · Deepest record: 75 m
Water temperature
Recorded in surface water of 16–30 °C
Names and classification
Names in 1 more languages
- Japanese
- ツノガイダマシ
Other scientific names: Bonhourella insignis, Cadulus (Gadila) subtilis, Cadulus brazieri, Cadulus gordonis, Cadulus laevis, Cadulus subtilis, Dentalium edoensis, Dentalium laeve, Ditrupa amphora, Ditrupa australis, Ditrupa brazieri, Ditrupa laeve, Ditrypa australis, Ditrypa brazieri, Ditrypa gracillima, Gadila subtilis
Similar species
Australian tubewormFicopomatus enigmaticus
Coral wormFilograna implexa
- Tube-building worm
Hydroides elegans
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.
- Conservation status as published by GBIF (IUCN Red List).
- 210 open-data records from 1875 to 1984.
- Species data updated November 2, 2026.
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