The Nature LibraryEN·ES
iNat·191174SpeciesAnimalia43 field observations
  1. Animals
  2. ›Cnidarians
  3. ›Hydrozoans
  4. ›Hydroidolina
  5. ›Thecate Hydroids
  6. ›Campanulariidae
  7. ›Obelia
Black Sea Hydrozoan
Plate 1 of 4. (c) Frédéric ANDRE, some rights reserved (CC BY-NC), uploaded by Frédéric ANDRE · via iNaturalist

Black Sea Hydrozoan

Obelia longissima

Obelia longissima is a colonial species of hydrozoan in the order Leptomedusae. Its hydroid form grows as feathery stems resembling seaweed from a basal stolon. It is found in many temperate and cold seas world-wide but is absent from the tropics.

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Obelia longissima 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 191174.