Definition of "red-throated" []

• Having a patch of red on the throat: as, the red-throated diver, Colymbus or Urinator septentrionalis.

The Century Dictionary (Public Domain)

• "It dashed across the aquarium, interrupting the red-throated fishes."
• "The red-throated cichlids suddenly faced each other, and locked jaws."
• "At the right end of the tank, two red-throated cichlids squared off."