Hyporthodus quernus, Hawaiian grouper : fisheries, gamefish, aquarium

Hyporthodus quernus (Seale, 1901)

Hawaiian grouper
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Hyporthodus quernus   AquaMaps   Data sources: GBIF OBIS
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Image of Hyporthodus quernus (Hawaiian grouper)
Hyporthodus quernus
Picture by Randall, J.E.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Perciformes/Serranoidei (Groupers) > Epinephelidae (Groupers)
More on author: Seale.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; benthopelagic; depth range 5 - 380 m (Ref. 5222). Tropical; 30°N - 11°N, 179°W - 153°W (Ref. 5222)

Distribution Territories | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Eastern Central Pacific: known only from the Hawaiian Islands and Johnston Island.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 122 cm TL male/unsexed; (Ref. 4887); max. published weight: 22.7 kg (Ref. 4887)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 11; Dorsal soft rays (total): 14 - 15; Anal spines: 3; Anal soft rays: 9. Distinguished by the following characteristics: juveniles greyish brown to dark brown body color with 8 vertical series of white spots on body; adults dark brown with less distinct vertical series of white spots and obscured by numerous additional pale spots and blotches of variable size; fins mostly unspotted; depth of body contained 2.3-2.7 times in SL, width 2.0-2.5 times in depth; head length 2.3-2.5 times in SL; convex interorbital area, width subequal to eye diameter for fish 10-20cm SL; subangular preopercle, 3-5 enlarged serrae at angle; fleshy ventral edge of preopercle, without serrae; smooth edge of interopercle and subopercle or with a few serrae; convex upper edge of operculum; ovate and enlarged posterior nostrils of adults, larger than anterior nostrils (Ref. 89707).
Body shape (shape guide): fusiform / normal; Cross section: compressed.

Biology     Glossary (e.g. epibenthic)

Occurs in deep waters (Ref. 7364). Benthic and benthopelagic (Ref. 58302). Feeds mainly on fish and crustaceans (Ref. 89707). A good fish to eat, fleshy, eaten any way except raw (Ref. 7364). Minimum depth from Ref. 122680.

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Craig, M.T. and P.A. Hastings, 2007. A molecular phylogeny of the groupers of the subfamily Epinephelinae (Serranidae) with revised classification of the epinephelini. Ichthyol. Res. 54:1-17. (Ref. 83414)

IUCN Red List Status (Ref. 130435: Version 2025-2)

  Least Concern (LC) ; Date assessed: 21 March 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: commercial; gamefish: yes; aquarium: commercial
FAO - Publication: search | FishSource |

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search |