Quality:

Undulate ray - species of fish. Article "シワエイ" in Japanese Wikipedia has 28.8 points for quality (as of August 1, 2024).
The article contains 16 references and 7 sections.
This article has the best quality in English Wikipedia. Also, this article is the most popular in that language version.
Since the creation of article "シワエイ", its content was written by 7 registered users of Japanese Wikipedia and edited by 175 registered Wikipedia users in all languages.
The article is cited 2 times in Japanese Wikipedia and cited 120 times in all languages.
The highest Authors Interest rank from 2001:
- Local (Japanese): #1537 in February 2023
- Global: #77458 in January 2011
The highest popularity rank from 2008:
- Local (Japanese): #681936 in February 2023
- Global: #939787 in August 2015
There are 17 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 August 1, 2024 (including revision history and pageviews for previous years).
The table below shows the language versions of the article with the highest quality.