I'm interested in learning about the Hamburger Matten Filter (HMF) on seriouslyfish.com. Can you find the article titled 'The HMF – What’s That?' and tell me its main purpose as described in the introduction, who wrote it, and when it was published?
Navigate to 'seriouslyfish.com'. Click on the 'Knowledge Base' link. Click on the 'Beginner's Guide' link. Locate 'The HMF – What’s That?' article within the Beginner's Guide section. Click on 'The HMF – What’s That?' article. Identify and extract the primary function of the HMF from the introductory text. Identify and extract the author's name. Identify and extract the publication year of the article.
Successfully navigate to 'The HMF – What’s That?' article. State that the primary function of the HMF is biological filtration, or similar phrasing indicating its role in breaking down waste. State that the article was authored by Rüdiger Rautenberg. State that the article was published in 2012.