Epinephelus quoyanus | University of the Philippines Mindanao FishDive Project | Marine Biodiversity Database Project
Epinephelus quoyanus (Valenciennes, 1830)
  • Classification
  • Kingdom » Animalia
  • Phylum » Chordata
  • Class » Osteichthyes
  • Order » Perciformes
  • Family » Epinephelidae
  • Genus » Epinephelus
  • Species » quoyanus
  • Epinephelus quoyanus (Valenciennes, 1830)
    (Longfin grouper)
  • Description »  

    Marine; reef-associated; depth range ? - 50 m . Tropical; 35°N - 32°S, 110°E - 156°E

    Maturity: Lm ?, range 18 - ? cm Max length : 40.0 cm TL male/unsexed;

    Dorsal spines (total): 11; Dorsal soft rays (total): 16 - 18; Anal spines: 3; Anal soft rays: 8. Distinguished by the following characteristics: whitish color; head, body and fins with numerous large close-set hexagonal to roundish dark brown to blackish spots; ctenoid body scales except cycloid dorsoanteriorly above lateral line, on thorax and abdomen; body with auxiliary scales; greatest depth of body 2.7-3.2 in SL; rounded caudal fin; pelvic fins, 1.7-2.1 in head length ; head length 2.3-2.6 times in SL; evenly curved dorsal head profile; snout subequal to eye diameter, snout length 4.6-5.3 times in HL; rounded preopercle or subangular; upper edge of operculum almost straight; posterior nostril diameter about twice that of anterior nostrils; maxilla reaches to or past vertical at rear edge of eye; 2-3 rows of teeth on midlateral part of lower jaw; lower jaw barely projecting in front of upper jaw . Body shape (shape guide): fusiform / normal;  Cross section: compressed.

    Full article at FishBase
  • Local Name »  
  • Locality/Distribution »   [Samal Island, Davao del Norte]
  • Collectors/Field Observers »   CL Nanola, MA Fortaleza, KL Labrador, JJ Lanutan
  • Species ID by »   Maybelle A. Fortaleza
  • Institution/Project »   University of the Philippines Mindanao FishDive Project
  • Collection Code »   [None]
  • Cite this page as: Nanola CL, MA Fortaleza, JJ Lanutan, and KL Labrador. 2023. Unpublished data on marine fishes of Davao Gulf.
  • IUCN Conservation Status »   Visit IUCN
    Least Concern (LC); Date assessed:23 November 2016 (FishBase)
  • Sample Availability and Preservation »   Tissue preserved in 95% ETOH; whole fish specimen fixed in formalin
  • GenBank Accession Number »   N/A
  • Curated by »   Maybelle Fortaleza
  • Last Updated »   Sept. 7, 2023, 4:20 p.m.
  • Cite this page as: Nanola CL, MA Fortaleza, JJ Lanutan, and KL Labrador. 2023. Unpublished data on marine fishes of Davao Gulf.
  • DNA Sequence »

    Please contact: Maybelle Fortaleza (University of the Philippines Mindanao) via email: "mafortaleza@up.edu.ph"