You can sponsor this page

Acanthopagrus schlegelii (Bleeker, 1854)

Blackhead seabream
Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Acanthopagrus schlegelii   AquaMaps   Data sources: GBIF OBIS
Upload your photos and videos
Pictures | Google image

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

Teleostei (teleosts) > Eupercaria/misc (Various families in series Eupercaria) > Sparidae (Porgies)
Etymology: Acanthopagrus: Greek, akantha = thorn + Greek, pagros, a kind of fish (Ref. 45335).
Eponymy: Hermann Schlegel (1804–1884) was a German-born zoologist who spent much of his life in the Netherlands. [...] (Ref. 128868), visit book page.
More on author: Bleeker.

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

Marine; brackish; demersal; depth range 15 - ? m. Subtropical; 43°N - 20°N, 107°W - 143°W

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

Northwest Pacific: southern Hokkaido, Japan to the southern Korean Peninsula, middle and north coast of the Republic of China and Taiwan. Not occurring in the Ryukyu Islands.

Length at first maturity / Size / Weight / Age

Maturity: Lm 29.1, range 10 - ? cm
Max length : 50.0 cm SL male/unsexed; (Ref. 559); max. published weight: 3.2 kg (Ref. 40637)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 11 - 12; Dorsal soft rays (total): 11; Anal spines: 3; Anal soft rays: 8.

Biology     Glossary (e.g. epibenthic)

Found in bays, shallow rocky reefs, and in brackish waters (Ref. 41299). Feeds on mollusks and polychaetes. Spawns in the spring and summer months (Ref. 41299). It is parasitised by the monogenean A. spari on the fins and body surface (Ref. 124057).

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

Sex change occurs at about 5 years of age (Ref. 36558).

Main reference Upload your references | References | Coordinator | Collaborators

Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)

IUCN Red List Status (Ref. 130435: Version 2024-1)

  Least Concern (LC) ; Date assessed: 03 December 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: commercial; aquaculture: commercial; gamefish: yes
FAO - Aquaculture systems: production; Fisheries: landings; Publication: search | FishSource | Sea Around Us

More information

Trophic ecology
Food items
Diet composition
Food consumption
Food rations
Predators
Ecology
Ecology
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycle
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics
Distribution
Countries
FAO areas
Ecosystems
Occurrences
Introductions
BRUVS - Videos
Anatomy
Gill area
Brain
Otolith
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Genetics
Heterozygosity
Heritability
Human related
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Outreach
Collaborators
References
References

Tools

Special reports

Download XML

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Aquaculture systems: production; Fisheries: landings; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 13.1 - 25.4, mean 23.7 °C (based on 68 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02138 (0.01296 - 0.03528), b=2.99 (2.85 - 3.13), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.2   ±0.45 se; based on food items.
Resilience (Ref. 120179):  Medium, minimum population doubling time 1.4 - 4.4 years (tm=2).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (37 of 100).
Climate Vulnerability (Ref. 125649):  Very high vulnerability (81 of 100).
Price category (Ref. 80766):   High.
Nutrients (Ref. 124155):  Calcium = 85.9 [43.0, 149.5] mg/100g; Iron = 1.07 [0.60, 2.18] mg/100g; Protein = 19.5 [18.3, 20.6] %; Omega3 = 0.279 [0.169, 0.478] g/100g; Selenium = 22.2 [10.4, 45.1] μg/100g; VitaminA = 6.4 [1.9, 21.1] μg/100g; Zinc = 0.786 [0.522, 1.168] mg/100g (wet weight);