Pacifastacus leniusculus

pt

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Pacifastacus leniusculus

Quality:

Signal crayfish - species of crustacean. This taxon is the 3422nd most popular in the global Wikipedia ranking of taxon. Article “Pacifastacus leniusculus” in Portuguese Wikipedia has 26.8 points for quality (as of July 1, 2025). The article contains 13 references and 0 sections.

This article has the best quality in English Wikipedia. However, the most popular language version of this article is Japanese.

Achievements in all the time:
Global Wikipedia:
The 3422nd most popular in taxon.

Since the creation of article “Pacifastacus leniusculus”, its content was written by 5 registered users of Portuguese Wikipedia and edited by 511 registered Wikipedia users in all languages.

Signal crayfish is on the 3422nd place in global ranking of taxon on Wikipedia in all the time.

The article is cited 10 times in Portuguese Wikipedia and cited 729 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Portuguese): #46598 in May 2017
  • Global: #17020 in May 2012

The highest popularity rank from 2008:

  • Local (Portuguese): #288297 in August 2022
  • Global: #39520 in July 2009

There are 29 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Signal crayfish
47.4883
2Chinese (zh)
通訊螯蝦
41.5791
3Spanish (es)
Pacifastacus leniusculus
40.9347
4Polish (pl)
Rak sygnałowy
40.5963
5Japanese (ja)
ウチダザリガニ
37.8972
6Estonian (et)
Signaalvähk
35.7469
7Russian (ru)
Американский сигнальный рак
34.9422
8Vietnamese (vi)
Pacifastacus leniusculus
34.849
9Hungarian (hu)
Amerikai folyamirák
34.6993
10Bulgarian (bg)
Pacifastacus leniusculus
34.2722
More...

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

Most popular in all the time

The most popular language versions of the article "Pacifastacus leniusculus" in all the time
#LanguagePopularity awardRelative popularity
1Japanese (ja)
ウチダザリガニ
852 954
2English (en)
Signal crayfish
599 655
3German (de)
Signalkrebs
329 236
4Swedish (sv)
Signalkräfta
201 757
5Russian (ru)
Американский сигнальный рак
185 828
6Polish (pl)
Rak sygnałowy
179 404
7Finnish (fi)
Täplärapu
119 721
8French (fr)
Pacifastacus leniusculus
89 012
9Spanish (es)
Pacifastacus leniusculus
85 419
10Czech (cs)
Rak signální
49 838
More...

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

Most popular in June 2025

The most popular language versions of the article "Pacifastacus leniusculus" in June 2025
#LanguagePopularity awardRelative popularity
1Japanese (ja)
ウチダザリガニ
5 943
2English (en)
Signal crayfish
4 249
3German (de)
Signalkrebs
3 273
4Russian (ru)
Американский сигнальный рак
1 551
5Spanish (es)
Pacifastacus leniusculus
518
6Finnish (fi)
Täplärapu
512
7Polish (pl)
Rak sygnałowy
455
8French (fr)
Pacifastacus leniusculus
453
9Swedish (sv)
Signalkräfta
407
10Czech (cs)
Rak signální
388
More...

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

The highest AI

Language versions of the article "Pacifastacus leniusculus" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1German (de)
Signalkrebs
64
2English (en)
Signal crayfish
64
3Swedish (sv)
Signalkräfta
44
4French (fr)
Pacifastacus leniusculus
41
5Japanese (ja)
ウチダザリガニ
41
6Norwegian (no)
Signalkreps
30
7Finnish (fi)
Täplärapu
29
8Hungarian (hu)
Amerikai folyamirák
28
9Russian (ru)
Американский сигнальный рак
27
10Italian (it)
Pacifastacus leniusculus
16
More...

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

The highest AI in June 2025

Language versions of the article "Pacifastacus leniusculus" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Catalan (ca)
Cranc de senyal
1
2English (en)
Signal crayfish
1
3Chinese (zh)
通訊螯蝦
1
4Bulgarian (bg)
Pacifastacus leniusculus
0
5Czech (cs)
Rak signální
0
6Danish (da)
Signalkrebs
0
7German (de)
Signalkrebs
0
8Spanish (es)
Pacifastacus leniusculus
0
9Estonian (et)
Signaalvähk
0
10Basque (eu)
Seinaledun ibai-karramarro
0
More...

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

The highest CI

Language versions of the article "Pacifastacus leniusculus" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Signal crayfish
211
2Chinese (zh)
通訊螯蝦
93
3German (de)
Signalkrebs
58
4Swedish (sv)
Signalkräfta
49
5French (fr)
Pacifastacus leniusculus
46
6Finnish (fi)
Täplärapu
45
7Japanese (ja)
ウチダザリガニ
33
8Spanish (es)
Pacifastacus leniusculus
27
9Norwegian (no)
Signalkreps
23
10Polish (pl)
Rak sygnałowy
18
More...

Scores

Estimated value for Wikipedia:
Portuguese:
Global:
Popularity in June 2025:
Portuguese:
Global:
Popularity in all years:
Portuguese:
Global:
Authors in June 2025:
Portuguese:
Global:
Registered authors in all years:
Portuguese:
Global:
Citations:
Portuguese:
Global:

Quality measures

Interwikis

#LanguageValue
bgBulgarian
Pacifastacus leniusculus
caCatalan
Cranc de senyal
csCzech
Rak signální
daDanish
Signalkrebs
deGerman
Signalkrebs
enEnglish
Signal crayfish
esSpanish
Pacifastacus leniusculus
etEstonian
Signaalvähk
euBasque
Seinaledun ibai-karramarro
fiFinnish
Täplärapu
frFrench
Pacifastacus leniusculus
hrCroatian
Signalni rak
huHungarian
Amerikai folyamirák
idIndonesian
Pacifastacus leniusculus
itItalian
Pacifastacus leniusculus
jaJapanese
ウチダザリガニ
kkKazakh
Сигналдық су шаяны
ltLithuanian
Žymėtasis vėžys
nlDutch
Signaalkreeft
nnNorwegian (Nynorsk)
Signalkreps
noNorwegian
Signalkreps
plPolish
Rak sygnałowy
ptPortuguese
Pacifastacus leniusculus
ruRussian
Американский сигнальный рак
svSwedish
Signalkräfta
ukUkrainian
Pacifastacus leniusculus
uzUzbek
Amerika signal saratoni
viVietnamese
Pacifastacus leniusculus
zhChinese
通訊螯蝦

Popularity rank trends

Best Rank Portuguese:
#288297
08.2022
Global:
#39520
07.2009

AI rank trends

Best Rank Portuguese:
#46598
05.2017
Global:
#17020
05.2012

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Signal crayfish from Wikipedia articles about Astacus astacus, Crayfish, Cambaroides japonicus, Astacidae and Austropotamobius pallipes. Whereas reading the article about Signal crayfish people most often go to Wikipedia articles on Astacus astacus, Crayfish plague, Cambaroides japonicus, Faxonius limosus and Pacifastacus leniusculus leniusculus.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 10 March 2026

On 10 March 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Iran, Mojtaba Khamenei, Enhypen, Ali Khamenei, Strait of Hormuz, Jeffrey Epstein, 2026 Iran war, 2026 World Baseball Classic, Donald Trump, World Baseball Classic.

In Portuguese Wikipedia the most popular articles on that day were: Roger Machado, Daniel Vorcaro, Fotos dos Mamonas Assassinas mortos, António José Seguro, Heeseung, Enhypen, Andrew Tate, Jeffrey Epstein, Assassinatos de Liana Friedenbach e Felipe Caffé, Margarida Maldonado Freitas.

About WikiRank

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