China — domesticated from crucian carp over 1,000 years
物种概述
A thousand years of Chinese selective breeding condensed into one fish. Goldfish are hardy but messy: they grow large, dig up plants, and produce heavy waste, so generous water volume and filtration come before ornament.
原生生境
栖息地
Ponds and slow waters
水流
Still to gentle
溶氧
Appreciates extra aeration
造景与硬件
底床
Large smooth gravel — they dig
硬景观
Avoid sharp décor that tears fins
水草
Hardy or potted; expect casualties
性格食性与混养
群游性
Singles or groups; space decides
食性
Omnivore; sinking pellets prevent bloat
推荐混养
Other fancy goldfish — Matched pace and temperature
White cloud minnow — Cool-water companion
Plecos — Effective algae crew
避免混养
Tropical community fish — Temperature mismatch
Delicate plants — Dug up and eaten
Small fish — May be eaten as it grows
繁殖与备注
雌雄差异
Males develop breeding tubercles on gill covers; females are rounder when full of eggs
繁殖方式
Egg-scatterer over plants at dawn in shallow water; remove parents after spawning.