Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to cure goldfish dropsy [title] Watch for bloat. [step] Dropsy is a build-up of fluids inside the goldfish. Thus, the first signs of dropsy will be general bloating.

Ending1: [substeps] Bloat occurs when the gills start to weaken. Symptoms include swollen capillaries and crusts. Ending2: Bloat appears on the gills as a pearly discharge. However, over time, you may notice larger tears or bloody skin. Ending3: You may have any of the following symptoms : [substeps] Weakness lethargy weakness weakness lack of appetite dehydration [title] Check your goldfish's water daily. [step] Especially with certain goldfish, check their water at the very first sign of bloat: depletion. Ending4: [substeps] Look for any unusual increase in size of the goldfish. Treating the goldfish at this early stage presents the best chance of saving the goldfish.

Answer format: ending1/ending2/ending3/ending4