Banded Jewel Cichlid

Banded Jewel Cichlid (Hemichromis elongatus)

Photo courtesy of DAR


  • Fish with bronze scales and five dark bands running down the side (Froese & Pauly, 2017)
  • Bands not obvious on large males (Froese & Pauly, 2017)
  • Magenta spot on gill cover (Froese & Pauly, 2017)


  • Freshwater fish typically found in shallow lakes and streams (Nico, 2021)

Impacts & Concern:

  • Causes decline of indigenous fish species due to reduction in food sources and alteration of habitat (USFWS, 2018)
  • Aggressive predator that feeds on small fish, insects, and shrimps (USFWS, 2018)


  • Most likely introduced to Hawaiʻi through aquarium release (USFWS, 2018)
  • First observed on Oʻahu in 1990 and is considered established (Nico, 2021)

Distribution in Hawaii:

  • Kauai: Not documented
  • Oʻahu: Present (Nico, 2021)
  • Molokai: Not documented
  • Lanai: Not documented
  • Maui: Not documented
  • Big Island: Not documented


  • Nico, L. (2021) Hemichromis elongatus (Guichenot in Duméril, 1861): U.S. Geological Survey, Nonindigenous Aquatic Species Database.
  • Froese, R., Pauly, D. (2017) Hemichromis elongatus (Guichenot, 1861). FishBase.
  • USFWS. (2018). Banded Jewel Cichlid Ecological Risk Screening Summary. US Fish and Wildlife Service.