养金鱼是许多家庭选择的理想宠物之一，但想要拥有健康活泼的金鱼，你需要从以下几个方面进行挑选：

一、品种特征方面：

蛋鱼：蛋鱼无背鳍、体圆凸、各鳍短小者称为蛋鱼，有红头、紫蛋鱼、五花蛋鱼等品种。挑选时应选择背鳍光滑平坦，无残鳍，无结疤，体短而肥圆，尾小而短，全身端正匀称的个体。

龙睛：龙睛以眼珠凸出于眼眶之外为主要特征，各鳍发达。日本称龙睛鱼为出目金，有红色的称赤出目金，黑色的称黑出目金，花斑的称杂斑出目金。我国龙睛金fish依其不同性状的组合和不同体色，分为不同的品种，是金fish 品种最多的一类。挑选时应选择眼球呈算盘珠形凸出于眼眶，并且左右对称的个体。

高头：高头由于头顶上长有厚实发达的肉瘤，各鳍很长，花色品种又多，深受人们喜爱。其名种有红头高head（红head帽子），黄高head（黄head）、紫high head（紫head）、蓝high head、高head、高hat、高hats等，其中又以red high hat（red head）最为珍贵。挑选时应考虑到肉瘤居中越发达越好，一般区分为high hat (heads), hats and lions.

绒球：绒ball heads are small, with a rounded tip, body shape similar to an egg, the nasal membrane is developed above the nostrils, and two soft cotton-like appendages form on the snout end, which attach to the beak in water and move back and forth like a ball. The color of the ball fish has red, red white blue purple green flower pattern five colors clear transparent etc., full red or black one color as superior species should choose meat fine long tail round big symmetrical left-right side.

二、鳍形方面：

Goldfish fins are also important for choosing healthy goldfish. The fins should be well-proportioned to each other and not too long or too short; they should also have no damage or signs of disease.

三、Color Aspect:

The color of goldfish can vary greatly depending on breed but generally speaking it is best to choose fish that have vibrant colors without any discoloration or dull spots.

By carefully selecting your goldfish based on these criteria you will increase your chances of getting healthy happy pets that will bring joy to your home for years to come