Pomacentridae

Thielle's anemonefish

Amphiprion thiellei

Narrow head bar and tiny tail saddle mark orange

• Tropical
• Regional distribution
• Marine fish
• Pacific Ocean
• Southeast Asia
• Fusiform
• Compressed cross-section
• Small
• Tropical fish

Amphiprion thiellei, or Thielle's anemonefish, is thought to be a naturally occurring hybrid anemonefish found in the vicinity of Cebu, Philippines. Like all anemonefishes it forms a symbiotic mutualism with sea anemones and is unaffected by the stinging tentacles of the host anemone. It is a sequential hermaphrodite with a strict dominance hierarchy.