Hydra (rod)

Quality:

Hydra - genus of cnidarians. This taxon is the 558^th most popular in the global Wikipedia ranking of taxon and the 555^th most popular taxon in Croatian Wikipedia. Article “Hydra (rod)” in Croatian Wikipedia has 16 points for quality (as of July 1, 2025). The article contains 0 references and 8 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Croatian) language version.

Achievements in all the time:

Croatian Wikipedia:

The 555^th most popular in taxon in Croatian Wikipedia.

Global Wikipedia:

The 558^th most popular in taxon.

Achievements in the last month:

Croatian Wikipedia:

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The 7838^th most popular in Croatian Wikipedia in the last month.

Since the creation of article “Hydra (rod)”, its content was written by 34 registered users of Croatian Wikipedia and edited by 1613 registered Wikipedia users in all languages.

Hydra is on the 555^th place in local ranking of taxon in Croatian Wikipedia and on the 558^th place in global ranking of taxon in all the time.

The article is cited 4 times in Croatian Wikipedia and cited 1408 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Croatian): #91 in November 2013
• Global: #2432 in September 2012

The highest popularity rank from 2008:

• Local (Croatian): #966 in April 2022
• Global: #8493 in October 2021

There are 43 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Hydra (genus)		67.0064
2	Ukrainian (uk) Гідра (рід)		42.8449
3	Spanish (es) Hydra (animal)		42.3969
4	French (fr) Hydre (zoologie)		41.8819
5	German (de) Süßwasserpolypen		40.4165
6	Russian (ru) Гидры		38.4843
7	Dutch (nl) Hydra (geslacht)		31.9567
8	Persian (fa) هیدرا (سرده)		30.2539
9	Portuguese (pt) Hydra (género)		28.3171
10	Swedish (sv) Hydra (djur)		27.1635

The following table shows the most popular language versions of the article.

#	Language	Popularity award	Relative popularity
1	English (en) Hydra (genus)		6 296 448
2	Russian (ru) Гидры		1 993 097
3	Spanish (es) Hydra (animal)		1 388 361
4	Japanese (ja) ヒドラ (生物)		784 912
5	French (fr) Hydre (zoologie)		667 970
6	German (de) Süßwasserpolypen		631 338
7	Ukrainian (uk) Гідра (рід)		520 036
8	Thai (th) ไฮดรา (สกุล)		357 948
9	Portuguese (pt) Hydra (género)		357 428
10	Indonesian (id) Hydra (genus)		335 319

The following table shows the language versions of the article with the highest popularity in the last month.

#	Language	Popularity award	Relative popularity
1	English (en) Hydra (genus)		18 557
2	Russian (ru) Гидры		3 668
3	Japanese (ja) ヒドラ (生物)		3 547
4	Spanish (es) Hydra (animal)		2 367
5	French (fr) Hydre (zoologie)		1 498
6	German (de) Süßwasserpolypen		1 329
7	Chinese (zh) 水螅屬		1 059
8	Portuguese (pt) Hydra (género)		1 058
9	Simple English (simple) Hydra (animal)		840
10	Italian (it) Hydra (zoologia)		580

The following table shows the language versions of the article with the highest Authors’ Interest.

#	Language	AI award	Relative AI
1	English (en) Hydra (genus)		387
2	German (de) Süßwasserpolypen		176
3	French (fr) Hydre (zoologie)		110
4	Russian (ru) Гидры		103
5	Spanish (es) Hydra (animal)		89
6	Italian (it) Hydra (zoologia)		47
7	Ukrainian (uk) Гідра (рід)		42
8	Vietnamese (vi) Thủy tức		42
9	Japanese (ja) ヒドラ (生物)		39
10	Norwegian (no) Hydra (nesledyr)		36

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

#	Language	AI award	Relative AI
1	English (en) Hydra (genus)		2
2	German (de) Süßwasserpolypen		1
3	Hungarian (hu) Hydra (állatnem)		1
4	Arabic (ar) عدار (جنس)		0
5	Azerbaijani (az) Şirin su hidrası		0
6	Belarusian (be) Гідры		0
7	Bulgarian (bg) Хидри		0
8	Catalan (ca) Hydra (gènere)		0
9	Czech (cs) Hydra (rod)		0
10	Danish (da) Hydra (slægt)		0

The following table shows the language versions of the article with the highest number of citations.

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In Croatian Wikipedia the most popular articles on that day were: Europsko prvenstvo u rukometu – Danska, Švedska i Norveška 2026., Svadba (2026.), Diano Neris Ćeško, Hrvatska rukometna reprezentacija, Svjetsko prvenstvo u rukometu – Hrvatska, Danska i Norveška 2025., Ivan Martinović, Dagur Sigurðsson, Tomislav Ćorić, Zvonimir Srna, Europska prvenstva u rukometu.

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information