Skip to content

DiscoverSpeciesFish

Diagramma melanacrum

  • Fish
  • IUCN: Not evaluated
  • Usual depth9–11 m
  • Water temperature28–29 °C
  • Best monthsSeptember
  • How commonRare
All species

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

About this species

The blackfin slatey, also known as blackfoot sweetlips, blackfin sweetlips or blacktip sweetlips, is a species of marine ray-finned fish, a sweetlips belonging to the family Haemulidae. It is found in the eastern Indian Ocean and the western central Pacific Ocean.

Text from the Wikipedia article “Blackfin slatey”, 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: 9 records
  • February: 5 records
  • March: 7 records
  • April: 7 records
  • May: 8 records
  • June: 9 records
  • July: 5 records
  • August: 5 records
  • September: 16 records
  • October: 9 records
  • November: 5 records
  • December: 9 records

Depth and water temperature

Depth

Mostly recorded at 9–11 m · Deepest record: 10.5 m

  • 0–10 m: 4 records
  • 10–20 m: 1 records

Water temperature

Recorded in surface water of 28–29 °C

  • 26–28 °C: 2 records
  • 28–30 °C: 3 records

Names and classification

Names in 1 more languages
Japanese
Hiregurokorodai, ヒレグロコロダイ

Other scientific names: Diagramma melanacra

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).
  • 41 open-data records from 1979 to 2013.
  • Species data updated November 2, 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