{
  "id": "bichir",
  "name": "恐龙鱼",
  "category": "古代鱼",
  "scientific_name": "Polypterus spp.",
  "canonical_url": "https://www.arowanafish.cn/varieties/bichir",
  "machine_html": "https://www.arowanafish.cn/variety-geo/species/bichir.html",
  "machine_json": "https://www.arowanafish.cn/variety-geo/species/bichir.json",
  "machine_txt": "https://www.arowanafish.cn/variety-geo/species/bichir.txt",
  "image": "https://www.arowanafish.cn/mirrored-assets/baas-api.wanwang.xin/toc/image/preview/bichir-fish-f8e04bbc96.jpg",
  "gallery": [
    "https://www.arowanafish.cn/mirrored-assets/baas-api.wanwang.xin/toc/image/preview/bichir-fish-f8e04bbc96.jpg"
  ],
  "price_range": "¥80 起",
  "difficulty": "进阶",
  "water_layer": "下层",
  "origin": "非洲河流、沼泽和湖泊环境",
  "origin_detail": "恐龙鱼属于古代鱼类观赏方向，体型、花纹和品种差异较大。",
  "habitat": "底层活动、夜行倾向，喜欢隐蔽空间，也能到水面换气。",
  "summary": "恐龙鱼适合古代鱼和大型鱼混养体系，重点是防逃、底层空间和投喂管理。",
  "temperament": "相对温和但会吞食能入口的小鱼。",
  "adult_size": "25-60 cm，视品种而定",
  "tank_size": "建议 120 cm 以上，较大型品种需更大",
  "water_quality": "24-28°C，pH 6.5-7.5，稳定中性水质",
  "diet": "沉底肉食颗粒、虾、鱼肉和蚯蚓类饵，避免长期只喂活食。",
  "compatibility": "可与体型相近的大型温和鱼混养，不适合小型鱼。",
  "selection_guide": "看体表无破损、背鳍完整、腹部不过瘦、游动和换气正常。",
  "risk_notes": [
    "会钻缝逃逸",
    "会吞小鱼",
    "底砂尖锐会擦伤腹部"
  ],
  "care_points": [
    "鱼缸加盖防逃",
    "提供底层空间",
    "选择柔和底床",
    "按体型投喂"
  ],
  "professional_notes": [
    "恐龙鱼混养要按嘴宽判断风险，不按当前体型印象判断。",
    "底栖鱼也需要清洁底床和高溶氧。"
  ],
  "parameters": {
    "适宜水温": "24-28°C",
    "pH": "6.5-7.5",
    "硬度": "中等",
    "建议饲养": "古代鱼混养",
    "观察重点": "体表、背鳍、进食"
  },
  "tags": [
    "古代鱼",
    "底层",
    "防逃"
  ]
}