Hydractinia
Hydractinia is a genus of commensal athecate hydroids which belong to the family Hydractiniidae. Hydratinia species mostly live on hermit-crabbed marine gastropod shells.
15 branches of this genus, most-observed first
Snail Fur
speciesHydractinia echinata
high-spined commensal hydroid
speciesHydractinia altispina
Hydractinia symbiolongicarpus
speciesHydractinia symbiolongicarpus
Hydractinia epiconcha
speciesHydractinia epiconcha
Hydractinia kaffraria
speciesHydractinia kaffraria
Hydractinia armata
speciesHydractinia armata
Hydractinia laevispina
speciesHydractinia laevispina
Hydractinia aculeata
speciesHydractinia aculeata
Hydractinia marsupialia
speciesHydractinia marsupialia
Hydractinia multitentaculata
speciesHydractinia multitentaculata
Hydractinia apicata
speciesHydractinia apicata
Hydractinia canalifera
speciesHydractinia canalifera
Hydractinia carica
speciesHydractinia carica
Hydractinia diogenes
speciesHydractinia diogenes
Hydractinia aggregata
speciesHydractinia aggregata
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Hydractinia in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 203798.