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Hydra

genus of cnidarians
Taxon taxon Q192290
Hydra
Oinari-san · Public Domain · Wikimedia
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Summary

Hydra is a taxon[1]. Hydra ranks in the top 0.31% of taxon entities by monthly Wikipedia readership (7,899 views/month, #596 of 195,241).[2]

Key Facts

  • Instance of: model organism[3]
  • Taxon rank: genus[4]
  • Parent taxon: Hydridae[5]
  • Taxon name: Hydra[6]
  • Commons category: Hydra[7]
  • Topic's main category: Category:Hydra[8]
  • Described by source: Great Soviet Encyclopedia (1926–1947)[9], Armenian Soviet Encyclopedia, vol. 6[10]
  • Taxon synonym: Pelmatohydra[11], Chlorohydra[12]

Body

Identifiers

Hydra's iNaturalist taxon ID is recorded as 203710[13]. Hydra's NCBI taxonomy ID is recorded as 6083[14]. Hydra's Encyclopedia of Life ID is recorded as 46551677[15]. Hydra's GBIF taxon ID is recorded as 9811888[16]. Hydra's ITIS TSN is recorded as 50845[17].

Why It Matters

Hydra has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[18] Hydra is known by 34 alternative names across languages and contexts.[19]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . Integrated Taxonomic Information System. Retrieved . wikidata.org.
  3. [5] ↑ . Integrated Taxonomic Information System. Retrieved . wikidata.org.
  4. [6] ↑ . Integrated Taxonomic Information System. Retrieved . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [14] ↑ . Taxonomy database of the U.S. National Center for Biotechnology Information. Retrieved . wikidata.org.
  7. [17] ↑ . Integrated Taxonomic Information System. Retrieved . wikidata.org.
  8. [15] ↑ . Encyclopedia of Life. Retrieved . wikidata.org.
  9. [16] ↑ . Global Biodiversity Information Facility. Retrieved . wikidata.org.
  10. [8] ↑ . wikidata.org.
  11. [9] ↑ . wikidata.org.
  12. [10] ↑ . wikidata.org.
  13. [11] ↑ . World Register of Marine Species. wikidata.org.
  14. [12] ↑ . World Register of Marine Species. wikidata.org.
  15. [13] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [18] ↑ . Wikidata sitelinks. wikidata.org.
  3. [19] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Hydra. Retrieved October 10, 2026, from https://4ort.xyz/entity/hydra
MLA “Hydra.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Oct. 2026, https://4ort.xyz/entity/hydra.
BibTeX @misc{4ortxyz_hydra_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Hydra}}, year = {2026}, url = {https://4ort.xyz/entity/hydra}, note = {Accessed: 2026-10-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Hydra — https://4ort.xyz/entity/hydra (retrieved 2026-10-10)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 20w ago · Twofivesixbot bot · 2026-05-24 view diff on Wikidata ↗
    Parent taxon → Hydridae
    Taxon rank → genus
    Instance of → taxon, model organism
    Instance of → —
    + 5 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|1 */ National library of israel j9u id: 987007533632605171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.