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brownsaddle clownfish

Amphiprion polymnus

  • Fish
  • IUCN: Least concern
  • Usual depth3–265 m
  • Water temperature26–30 °C
  • Best monthsJuly, August, and September
  • How commonRare
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Photo credit: no rights reserved · CC0 1.0 · iNaturalist

About this species

Amphiprion polymnus, also known as the saddleback clownfish or yellowfin anemonefish, is a black and white species of anemonefish with a distinctive saddle. 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 sized-based dominance hierarchy: the female is largest, the breeding male is second largest, and the male non-breeders get progressively smaller as the hierarchy descends. They exhibit protandry, meaning the breeding male will change to female if the sole breeding female dies, with the largest non-breeder becomes the breeding male.

Text from the Wikipedia article “Saddleback clownfish”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

  • January: 42 records
  • February: 28 records
  • March: 40 records
  • April: 43 records
  • May: 26 records
  • June: 28 records
  • July: 58 records
  • August: 57 records
  • September: 59 records
  • October: 43 records
  • November: 52 records
  • December: 32 records

Depth and water temperature

Depth

Mostly recorded at 3–265 m · Deepest record: 287 m

  • 0–10 m: 5 records
  • 10–20 m: 3 records
  • 20–30 m: 2 records
  • 30–40 m: 0 records
  • 40–50 m: 2 records
  • 50–60 m: 0 records
  • 60–70 m: 0 records
  • 70–80 m: 0 records
  • 80–90 m: 0 records
  • 90–100 m: 0 records
  • 100–110 m: 0 records
  • 110+ m: 2 records

Water temperature

Recorded in surface water of 26–30 °C

  • 26–28 °C: 23 records
  • 28–30 °C: 52 records

Names and classification

English
brownsaddle clownfish, Clown fish, Panda Clownfish, Saddleback Anemonefish, Saddle Back Clown, saddleback clownfish, White-tipped Anemonefish, yellowfinned anemonefish, Yellow-finned Anemone-fish
Names in 6 more languages
German
Sattelfleck-Anemonenfisch
Spanish
Pez payaso ensillado
French
Poisson-clown à selle de cheval, Poisson-clown selle blanche
Japanese
Toakakumanomi, トウアカクマノミ
Thai
ปลาการ์ตูนอานม้า
Simplified Chinese
鞍斑雙鋸魚, 鞍背小丑

Other scientific names: Amphiprion bifasciatus, Amphiprion intermedius, Amphiprion laticlavius, Amphiprion polynemus, Amphiprion trifasciatus, Anthias bifasciatus, Coracinus seu Sciaena unimaculata, Coracinus unimaculata, Lutjanus jourdin, Paramphiprion hainanensis, Perca polymna, Sciaena unimaculata

Similar species

Sources and credits

Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).

  • Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
  • Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
  • Conservation status as published by GBIF (IUCN Red List).
  • 206 open-data records from 1758 to 2024.
  • Species data updated October 26, 2026.

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