DiscoverSpeciesOther invertebrates
Tube-building worm
Hydroides crucigera
- Usual depth2–21 m
- Water temperature23–27 °C
- Best monthsFebruary, June, and November
- How commonRare
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 4 records
- February: 10 records
- March: 0 records
- April: 1 records
- May: 2 records
- June: 12 records
- July: 7 records
- August: 10 records
- September: 9 records
- October: 0 records
- November: 12 records
- December: 5 records
Depth and water temperature
Depth
Mostly recorded at 2–21 m · Deepest record: 30 m
Water temperature
Recorded in surface water of 23–27 °C
Names and classification
- English
- Tube-building worm
Other scientific names: Hydroides (Eucarphus) crucigera, Hydroides californicus, Hydroides cruciger, Vermilia crucigera
Similar species
- 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).
- 137 open-data records from 1937 to 2003.
- Species data updated November 3, 2026.
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