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iNat·203709FamilyAnimalia2,219 field observations
  1. Animals
  2. ›Cnidarians
  3. ›Hydrozoans
  4. ›Hydroidolina
  5. ›Athecate Hydroids
  6. ›Aplanulata
Hydridae
Plate 1 of 4. (c) Marco Spiller, some rights reserved (CC BY-NC-SA) · via iNaturalist

Hydridae

Hydra /ˈhaɪdrə/ is a genus of small, fresh-water organisms of the phylum Cnidaria and class Hydrozoa. They are native to the temperate and tropical regions. Biologists are especially interested in Hydra because of their regenerative ability — they do not appear to die of old age, or indeed to age at all.

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1 branches of this family, most-observed first

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Recorded sightings

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

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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 203709.