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Pentaceros richardsoni Smith, 1844

Pelagic armourhead
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Pentaceros richardsoni   AquaMaps   Data sources: GBIF OBIS
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Image of Pentaceros richardsoni (Pelagic armourhead)
Pentaceros richardsoni
Picture by Randall, J.E.

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

Teleostei (teleosts) > Acropomatiformes (Oceanic basses) > Pentacerotidae (Armorheads) > Pentacerotinae
Etymology: Pentaceros: Greek, pente = five + Greek, keras = horn (Ref. 45335); richardsoni: Named after John Richardson, naturalist and explorer (Ref. 6885).
Eponymy: Sir John Richardson (1787–1865) was a Scottish naval surgeon, naturalist and Arctic explorer. [...] (Ref. 128868), visit book page.

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

Marine; pelagic-oceanic; depth range 0 - 1000 m (Ref. 75886). Temperate; 23°S - 56°S, 68°W - 174°W

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

Southeast Atlantic: Tristan de Cunha and South Africa. Western Indian Ocean: South Africa. South Pacific: southern Australia and New Zealand and Cape Horn, Chile. North Pacific records refers to pectoralis (Ref. 4537).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 56.0 cm TL male/unsexed; (Ref. 5449); max. reported age: 60 years (Ref. 127621)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 14 - 15; Dorsal soft rays (total): 8 - 10; Anal spines: 4 - 5; Anal soft rays: 7 - 8. Head and body bluish above, pale below.

Biology     Glossary (e.g. epibenthic)

Have been trawled on the continental shelf and slope; juveniles recorded from surface waters (Ref. 9563). Depth range reported at 0m-600m in Ref. 5449.

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

Main reference Upload your references | References | Coordinator | Collaborators

Heemstra, P.C., 1986. Pentacerotidae. p. 622-623. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 5449)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: commercial
FAO - Fisheries: landings; Publication: search | FIRMS - Stock assessments | FishSource | Sea Around Us

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - 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 | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 6.8 - 16.7, mean 11.6 °C (based on 217 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5157   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.5   ±0.37 se; based on food items.
Resilience (Ref. 120179):  Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=4).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (35 of 100).
Climate Vulnerability (Ref. 125649):  High to very high vulnerability (66 of 100).
Price category (Ref. 80766):   High.
Nutrients (Ref. 124155):  Calcium = 30 [17, 50] mg/100g; Iron = 0.404 [0.230, 0.657] mg/100g; Protein = 18.9 [17.8, 19.9] %; Omega3 = 0.81 [0.50, 1.33] g/100g; Selenium = 17.1 [8.9, 34.6] μg/100g; VitaminA = 12 [4, 39] μg/100g; Zinc = 0.525 [0.368, 0.762] mg/100g (wet weight);