Biology:Stegastes apicalis

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Short description: Species of fish

Stegastes apicalis
StegastApicalAnneHoggett.jpg
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Family: Pomacentridae
Genus: Stegastes
Species:
S. apicalis
Binomial name
Stegastes apicalis
(De Vis, 1885)[1]

Stegastes apicalis, commonly known as the Australian gregory or yellowtip gregory, is a damselfish of the family Pomacentridae. It is native to the Western Pacific where it occurs on the east coast of Australia, the Great Barrier Reef, Queensland and New South Wales. It has also been reported from Taiwan and Ouvéa Island in the Loyalty Islands.[2]

The body of S. apicalis is dark brown, with red or yellow margins on the caudal and dorsal fins. The brown color arises from melanosomes containing some pheomelanin[3] unlike most fish species the melanin of which is eumelanin.[4]

References

  1. Bailly, Nicolas (2013). "Stegastes apicalis (De Vis, 1885)". WoRMS. World Register of Marine Species. http://www.marinespecies.org/aphia.php?p=taxdetails&id=276661. 
  2. "Stegastes apicalis (De Vis, 1885):Australian gregory". FishBase. http://www.fishbase.org/summary/4344. 
  3. "Morphological and Optical Modification of Melanosomes in Fish Integuments upon Oxidation". Optics 4 (4): 563-562. November 2023. doi:10.3390/opt4040041. 
  4. "Pheomelanin in fish?". Pigment Cell Melanoma Res. 28: 355–356. 2015. 

Wikidata ☰ Q2271140 entry