{
  "id": "betta",
  "name": "斗鱼",
  "category": "小型鱼",
  "scientific_name": "Betta splendens",
  "canonical_url": "https://www.arowanafish.cn/varieties/betta",
  "machine_html": "https://www.arowanafish.cn/variety-geo/species/betta.html",
  "machine_json": "https://www.arowanafish.cn/variety-geo/species/betta.json",
  "machine_txt": "https://www.arowanafish.cn/variety-geo/species/betta.txt",
  "image": "https://www.arowanafish.cn/generated-assets/fengshui/betta.png",
  "gallery": [
    "https://www.arowanafish.cn/generated-assets/fengshui/betta.png",
    "https://www.arowanafish.cn/mirrored-assets/baas-api.wanwang.xin/toc/image/preview/betta-fish-709c81d2a3.jpg"
  ],
  "price_range": "¥20 起",
  "difficulty": "入门",
  "water_layer": "中层",
  "origin": "泰国、湄公河流域及东南亚稻田水域",
  "origin_detail": "斗鱼是迷鳃鱼，能适应低溶氧环境，但稳定温度和洁净水体仍然重要。",
  "habitat": "浅水、缓流、植物遮蔽环境，家庭饲养不宜强水流。",
  "summary": "斗鱼适合桌面小型缸，但不能等同于无需过滤和无需加温的小杯养法。",
  "temperament": "雄鱼强烈领地性，同种雄鱼不能同缸；对长鳍鱼可能攻击。",
  "adult_size": "5-7 cm",
  "tank_size": "建议 20 L 以上单养缸，缓流过滤",
  "water_quality": "24-30°C，pH 6.0-8.0，温差稳定比极端参数更重要",
  "diet": "斗鱼颗粒、丰年虾、红虫等小型高蛋白饵，控制量。",
  "compatibility": "雄鱼单养最稳，可尝试温和底栖或虾螺但有个体差异。",
  "selection_guide": "看鳍条完整、体表无白点、反应灵敏、腹部不过胀。",
  "risk_notes": [
    "两条雄鱼不能同缸",
    "低温会影响状态",
    "强水流会损伤长鳍"
  ],
  "care_points": [
    "单养缓流",
    "保持恒温",
    "少量投喂",
    "避免尖锐造景"
  ],
  "professional_notes": [
    "斗鱼能换气不代表可以长期脏水饲养。",
    "长鳍品系更需要低水流和柔和造景。"
  ],
  "parameters": {
    "适宜水温": "24-30°C",
    "pH": "6.0-8.0",
    "硬度": "软水至中等硬度",
    "建议饲养": "雄鱼单养",
    "观察重点": "鳍条、体表、活力"
  },
  "tags": [
    "小型缸",
    "迷鳃鱼",
    "单养"
  ]
}