Here are the characteristics of Red Arowana (紅龍魚) and Gold Arowana (金龍魚) in English, with key distinctions highlighted:

Red Arowana Characteristics

• Body color: Intense red (especially in mature specimens), developing gradually from yellow to orange, then deep red over 4-10 years1.
• Body shape: Longer and slender, with larger fins compared to gold varieties2.
• Head shape: Prominent and upturned, often sharper than gold arowanas2.
• Subtypes:
  • Blood Red: Dark red hue, rounder head shape3.
  • Chili Red: Wider body, diamond-shaped tail13.
  • Orange Red: Flatter lips and smaller eyes3.

Gold Arowana Characteristics

• Body color: Dominated by golden scales, with metallic sheen on the gill covers and edges24.
• Body shape: Shorter and stouter than red arowanas2.
• Head shape: Rounded or pointed, less upturned2.
• Subtypes:

  • Golden Head: Golden extends to the head4.

  • High Back/Over Back: Golden scaling across more dorsal rows24.

Key Differences:

• Color: Red arowanas display vibrant red, while gold arowanas feature metallic gold12.
• Rarity: Red arowanas (especially chili red) are rarer and more expensive due to limited Indonesian habitats5.
• Growth: Red arowanas take longer to develop full coloration1.

01:1200:00/01:121.龍魚品種介紹2.紅龍魚和金龍魚的區別13.紅龍魚和金龍魚的區別24.金龍魚和紅龍魚的區別35.龍魚品種介紹6.體色區別7.體型區別8.頭型區別9.表現區別

Note: Both species belong to theScleropages genus but are classified as distinct variants underS. formosus6.

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