Hydra

ancient serpent-like chthonic water monster, with reptilian traits, that possessed many heads, in Greek mythology
Thing mythological_serpent Q170379
Hydra
Hercules_Killing_the_Lernean_Hydra.jpg: Cornelis Cort derivative work: Alagos (talk) · Public Domain · Wikimedia
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Summary

Hydra is a mythological serpent[1]. Hydra ranks in the top 5% of mythological serpent entities by monthly Wikipedia readership (14,109 views/month).[2]

Key Facts

  • Father: Typhon[3]
  • Mother: Echidna[4]
  • Country: Ancient Greece[5]
  • Sex or gender: female organism[6]
  • Instance of: mythological Greek character[7]
  • Named after: Lerna[8]
  • Part of: Heracles and Lernaean Hydra[9]
  • Commons category: Lernaean Hydra[10]
  • IPA transcription: ˈhyːdʁa[11]
  • Topic's main category: Category:Lernaean Hydra[12]
  • Commons gallery: Hydra (mythology)[13]
  • Worshipped by: Greek mythology[14]
  • Described by source: Small Brockhaus and Efron Encyclopedic Dictionary[15], Encyclopædia Britannica 11th edition[16], Brockhaus and Efron Encyclopedic Dictionary[17], The Nuttall Encyclopædia[18], Armenian Soviet Encyclopedia, vol. 6[19], Pauly–Wissowa[20]
  • Present in work: Hades[21], Hercules[22]
  • Name in native language: Ὕδρα[23]
  • Sibling: Orthrus[24], Cerberus[25], chimera[26], sphinx[27], Nemean lion[28]
  • Derivative work: Hydra[29]

Body

Influence

Things named for Hydra include Hydra[30], a fictional criminal organization[31]; Hydra effect[32], a paradox[33]; Hydra the Revenge[34], a steel roller coaster[35], in United States[36]; and HyDRA Challenge[37], a science award[38], in Germany[39], founded in 2021[40].

Why It Matters

Hydra has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[41] Hydra is known by 50 alternative names across languages and contexts.[42]

Entities named for Hydra include Hydra[30], a fictional criminal organization[31]; Hydra effect[32], a paradox[33]; Hydra the Revenge[34], a steel roller coaster[35], in United States[36]; and HyDRA Challenge[37], a science award[38], in Germany[39], founded in 2021[40].

FAQs

Who were Hydra's parents?

Hydra's father was Typhon[3]. Hydra's mother was Echidna[4].

References

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

Direct Wikidata claims

  1. [5] ↑ . wikidata.org.
  2. [6] ↑ . wikidata.org.
  3. [3] ↑ . Typhoeus. wikidata.org.
  4. [4] ↑ . Echidna. wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.
  26. [28] ↑ . wikidata.org.
  27. [29] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [30] ↑ . wikidata.org. → on this site
  2. [32] ↑ . wikidata.org. → on this site
  3. [34] ↑ . wikidata.org. → on this site
  4. [37] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [31] ↑ . Wikidata. wikidata.org. → on this site
  2. [33] ↑ . Wikidata. wikidata.org. → on this site
  3. [35] ↑ . Wikidata. wikidata.org. → on this site
  4. [36] ↑ . Wikidata. wikidata.org. → on this site
  5. [38] ↑ . Wikidata. wikidata.org. → on this site
  6. [39] ↑ . Wikidata. wikidata.org. → on this site
  7. [40] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [41] ↑ . Wikidata sitelinks. wikidata.org.
  3. [42] ↑ . 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 14, 2026, from https://4ort.xyz/entity/hydra-q170379
MLA “Hydra.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/hydra-q170379.
BibTeX @misc{4ortxyz_hydra-q170379_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Hydra}}, year = {2026}, url = {https://4ort.xyz/entity/hydra-q170379}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Hydra — https://4ort.xyz/entity/hydra-q170379 (retrieved 2026-10-14)

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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. 9w ago · Trivialist · 2026-08-13 view diff on Wikidata ↗
    P14750 → BE17-EC7D-5747-AAF1-E84D
    "/* wbcreateclaim-create:1| */ P14750: BE17-EC7D-5747-AAF1-E84D, [[:toollabs:quickstatements/#/batch/265669|batch #265669]]"
  2. 11w ago · Kirilloparma · 2026-07-25 view diff on Wikidata ↗
    Mother → Echidna
    Sibling → Orthrus, Cerberus, chimera +2
    Local thumb → —
    Instance of → —
    + 16 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ P14470: Concepts/Hydra, Adding missing [[P:P14470|P14470]] and [[P:P9675|P9675]] qualifier based on [[P:P5247|P5247]]"
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