Here are a few options for a description for the WordPress post tag “養魚” in Traditional Chinese, ranging in detail and SEO focus:

**Option 1: Short & Simple (Good for general use)**

* **Description:** 探索水族世界的樂趣！分享關於養魚的知識、技巧和最新資訊。
* **Translation:** Explore the joys of the aquatic world! Sharing knowledge, techniques, and the latest information about fishkeeping.

**Option 2: SEO-Focused (Includes search terms)**

* **Description:** 養魚愛好者的聚集地。 提供各式各樣的養魚資訊，包括觀賞魚飼養、魚缸建立、水質管理、疾病防治、餵食技巧等。 分享你的經驗，一起享受養魚的快樂！
* **Translation:** A gathering place for fishkeeping enthusiasts. Provides all kinds of fishkeeping information, including ornamental fish breeding, aquarium setup, water quality management, disease prevention, feeding techniques, etc. Share your experiences and enjoy the joy of fishkeeping together!

**Option 3: More Detailed (For a dedicated blog)**

* **Description:** 熱愛養魚的你，這裡就是你的天堂！ 我們致力於提供最全面的養魚教學，從新手入門到專業養殖，涵蓋各種魚類、水族器材、水生植物。 加入我們，一起打造健康、美麗的水族世界！
* **Translation:** For those who love fishkeeping, this is your paradise! We are dedicated to providing the most comprehensive fishkeeping tutorials, from beginner to professional breeding, covering various fish species, aquarium equipment, and aquatic plants. Join us and create a healthy, beautiful aquatic world together!

**Option 4: Emphasis on Sharing**

* **Description:** 與其他養魚愛好者交流！在這裡，分享你對養魚的一切：照片、經驗、技巧和建議。 一起學習、成長，打造屬於我們自己的水族樂園！
* **Translation:** Interact with other fishkeeping enthusiasts! Share everything about your fishkeeping here: photos, experiences, techniques, and advice. Learn and grow together, creating our own aquatic paradise!

**Key Considerations when choosing:**

* **Your target audience:** consider if they are beginners or experienced hobbyists.
* **The content of your blog:** Reflect the topics you frequently cover.
* **SEO keywords:** Incorporate relevant search terms that people use when searching for information about fishkeeping. (e.g., 觀賞魚, 魚缸, 水質管理, 疾病防治)
* **Length:** Keep it concise as the display in the WordPress backend is often limited.
* **Tone:** reflect the overall tone of your blog (friendly, informative, technical, etc.)

Remember to choose the description that best suits your WordPress blog and your audience! Good luck!