Okay, here are a few options for a description of a WordPress post tag titled “養魚知識” (Yǎng yú zhīshì – Fish Keeping Knowledge) in Traditional Chinese, ranging from concise to more descriptive. Choose the one that best fits your blog’s style and audience:

**Option 1: Short & Sweet (Most Recommended)**

> 關於養魚的一切資訊，包括選魚、魚缸設置、水質管理、疾病預防和餵食等。

> *Translation: Everything about fish keeping, including fish selection, aquarium setup, water quality management, disease prevention, and feeding.*

**Option 2: Slightly More Descriptive**

> 深入探討養魚的各個方面，從入門新手到經驗豐富的愛好者，都能找到實用的知識和技巧，打造健康美麗的水族世界。

> *Translation: Delving into various aspects of fish keeping. From beginners to experienced hobbyists, find practical knowledge and techniques to create a healthy and beautiful aquatic world.*

**Option 3: Focusing on Specific Topics (If you have specific focus)**

> 專注於養魚的特定主題，例如[提及你感興趣的主題，例如：水草造景, 繁殖技巧, 淡水魚, 海水魚]，我們分享專業知識，幫助您在水族世界中取得成功。

> *Translation: Focusing on specific topics in fish keeping, such as [mention your topics of interest, e.g., aquascaping, breeding techniques, freshwater fish, saltwater fish]. We share professional knowledge to help you succeed in the aquatic world.*

**Option 4: Beginner-Friendly**

> 如果您是養魚新手，或是想學習更多關於魚兒的知識，這裡就是您的好去處。 收集了養魚新手常遇到的問題，以及進階的養魚技巧，讓您輕鬆享受養魚的樂趣！

> *Translation: If you’re a beginner in fish keeping, or want to learn more about fish, this is the place for you. We’ve gathered frequently asked questions from new fish keepers, as well as advanced fish keeping techniques, so you can easily enjoy the fun of keeping fish!*

**Important Considerations when choosing a description:**

* **Target Audience:** Who are you writing for? Beginners? Experienced aquarists? Adjust the language accordingly.
* **Blog Content:** Does your blog focus on a particular type of fish, aquarium setup, or other niche? Highlight this in the description.
* **SEO (Search Engine Optimization):** Consider using relevant keywords that people might search for (e.g., “aquarium setup,” “fish diseases,” “freshwater fish,” “魚缸”). The description gives the search engines what the content of your post tag are about.

Remember to choose the option that best represents your blog’s content and the information you’ll be providing under this tag. Good luck with your WordPress blog!