Skip to content

DiscoverSpeciesFish

Flower-coral Filefish

Acreichthys radiatus

  • Fish
  • IUCN: Least concern
  • Usual depth2–24 m
  • Water temperature21–29 °C
  • Best monthsMarch and May
  • How commonRare
All species

Photo credit: (c) Pierre Pericard, some rights reserved (CC BY) · CC BY · iNaturalist

About this species

Acreichthys radiatus, commonly known as the radial filefish or the radial leatherjacket, is a species of demersal marine fish which belongs to the family Monacanthidae widespread throughout the tropical waters of the western Pacific Ocean, including the Ryukyu Islands, the Philippines, the oriental part of Indonesia, Papua New Guinea, the north east area of Australia, and New Caledonia. It is a small size fish that can reach a maximum size of 7 centimeters in length.

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

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

  • January: 4 records
  • February: 3 records
  • March: 15 records
  • April: 10 records
  • May: 22 records
  • June: 6 records
  • July: 0 records
  • August: 12 records
  • September: 5 records
  • October: 6 records
  • November: 8 records
  • December: 6 records

Depth and water temperature

Depth

Mostly recorded at 2–24 m · Deepest record: 27 m

  • 0–10 m: 10 records
  • 10–20 m: 3 records
  • 20–30 m: 3 records

Water temperature

Recorded in surface water of 21–29 °C

  • 20–22 °C: 1 records
  • 22–24 °C: 0 records
  • 24–26 °C: 4 records
  • 26–28 °C: 3 records
  • 28–30 °C: 16 records

Names and classification

English
Flower-coral Filefish, Radial Filefish, Radial Leatherjacket
Names in 3 more languages
Filipino
Papakol
French
Poisson-lime rayonnant
Japanese
Sudarekawahagi, スダレカワハギ

Other scientific names: Monacanthus radiatus

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).
  • 47 open-data records from 1954 to 2016.
  • Species data updated October 26, 2026.

Log what you see on your next dive

The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.

Join the waitlist

DiveHive uses necessary cookies to work. With your permission we also use analytics to see which pages help. Analytics is off until you say yes, and we never record what you type.

  • NecessaryAlways on: your choice, security.Always on
  • AnalyticsOff unless you accept.Off
Privacy policy