Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to tell if your goldfish is an adult [title] Identify what type of goldfish you have. [step] Different types of goldfish have different characteristics. Understanding what breed you have can help you determine the proper adult coloring and growth for your fish.

Ending1: You should be able to tell which breed is a male and which is a female. Luckily, a selection of goldfish breed personalities is available online. Ending2: Look for goldfish with different features that will help you decide the proper adult color for your goldfish. [substeps] Some goldfish features you will see in your school are the' red-caps' (sea dragon quill), mermaid-like gills, and fin features. Ending3: [substeps] If your goldfish is metallic yellow or orange with white markings, it may be a common or comet goldfish. These are marked by their sharp, forked tail. Ending4: [substeps] Goldfish can be red, orange, yellow, or copper colored. This can range from bright white with a violet-tint to gray.

Answer format: ending1/ending2/ending3/ending4