Stegastes diencaeus
juvenile
adult
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Family: Pomacentridae
Genus: Stegastes
Species:
S. diencaeus
Binomial name
Stegastes diencaeus
(D.S. Jordan & Rutter, 1897)
Synonyms
  • Eupomacentrus diencaeus Jordan & Rutter, 1897
  • Pomacentrus diencaeus (Jordan & Rutter, 1897)
  • Eupomacentrus mellis Emery & Burgess, 1974
  • Stegastes mellis (Emery & Burgess, 1974)

Stegastes diencaeus, the longfin damselfish, is a damselfish in the family Pomacentridae from the Western Atlantic. It occasionally makes its way into the aquarium trade. It grows to a size of 12.5 cm in length.[2] Longfin damselfish have been reported to have a mutualistic relationship with mysid shrimp of the species Mysidium integrum. The interaction is described as a form of domestication with the shrimp providing nutrients for the algae farms the fish feed on and the fish providing protection from predators.[3][4]

References

  1. ↑ Rocha, L.A. & Myers, R. (2015). "Stegastes diencaeus". The IUCN Red List of Threatened Species. 2015: e.T188592A1898995. doi:10.2305/IUCN.UK.2015-4.RLTS.T188592A1898995.en.
  2. ↑ Froese, Rainer; Pauly, Daniel (eds.) (2008). "Stegastes diencaeus" in FishBase. December 2008 version.
  3. ↑ "We found algae-farming fish that domesticate tiny shrimp to help run their farms". 2020-12-08.
  4. ↑ Brooker, Rohan M.; Casey, Jordan M.; Cowan, Zara-Louise; Sih, Tiffany L.; Dixson, Danielle L.; Manica, Andrea; Feeney, William E. (2020). "Domestication via the commensal pathway in a fish-invertebrate mutualism". Nature Communications. 11 (1): 6253. doi:10.1038/s41467-020-19958-5. PMC 7721709. PMID 33288750. S2CID 227948531.
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