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Blackfin Chromis (Chromis crusma)

Photo of Blackfin Chromis (Chromis crusma)

Key facts

Scientific name
Chromis crusma
Common name
Blackfin Chromis
Category
Fish
Family
Pomacentridae
Genus
Chromis
Size
6–10 cm
Depth
5–30 m
IUCN status
Least concern (LC)
Danger level
Harmless
Habitats
coral-reef
Behaviours
benthic, schooling
Ocean zones
Eastern Pacific

Description

Chromis crusma reaches 10 cm. Chromis (Pomacentridae) Indo-Pacific, Galapagos & East Pacific. Blue-black dominant, compact tiny size. Dense school around coral heads. Zooplanktivore. Coral reef 5-30 m. Little threatened = LC. Discreet dark color. Filter-feeds plankton coordinated swarms. Little locally studied.

Photo of Blackfin Chromis

Photo of Blackfin Chromis (Chromis crusma)Photo of Blackfin Chromis (Chromis crusma)Photo of Blackfin Chromis (Chromis crusma)

Frequently asked questions

How big is the Blackfin Chromis?
Blackfin Chromis (Chromis crusma) reaches 6–10 cm in length.
At what depth can you find the Blackfin Chromis?
Blackfin Chromis is found between 5–30 m deep.
Is the Blackfin Chromis dangerous to divers?
Danger level: Harmless.
What is the conservation status of the Blackfin Chromis?
IUCN status: Least concern (LC).
Where can you find the Blackfin Chromis?
Found in: Eastern Pacific.

Other species in the genus Chromis

  • Chromis cyanea - Blue chromis
  • Chromis limbata - Azores chromis
  • Chromis multilineata - Brown chromis
  • Chromis atrilobata - Scissortail chromis
  • Chromis cadenati - Cadenat's chromis
  • Chromis limbaughi - Limbaugh's Chromis

Other species in the family Pomacentridae

  • Chromis chromis - Mediterranean damselfish
  • Amphiprion bicinctus - Two-band anemonefish
  • Amphiprion ocellaris - False clownfish
  • Stegastes partitus - Bicolor damselfish
  • Amphiprion akallopisos - Skunk clownfish
  • Abudefduf luridus - Canary damsel

Sources

  • Taxonomy: WoRMS (AphiaID 273717)
  • Photos: iNaturalist (CC BY-NC)
  • Distribution: GBIF (taxonKey 5212193)
  • Conservation: IUCN Red List
  • Encyclopedia: Wikipedia