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Zenopsis conchifer (Lowe, 1852)

Silvery John dory
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Zenopsis conchifer   AquaMaps   Data sources: GBIF OBIS
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Image of Zenopsis conchifer (Silvery John dory)
Zenopsis conchifer
Female picture by Cambraia Duarte, P.M.N. (c)ImagDOP

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

Teleostei (teleosts) > Zeiformes (Dories) > Zeidae (Dories)
Etymology: Zenopsis: Particle zen, derived from zao = to give life + Greek, opsis = appearance.
More on author: Lowe.

Issue
The spelling conchifera is considered as the correct one by some authors. To be verified.

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

Marine; benthopelagic; depth range 50 - 600 m (Ref. 4968), usually 150 - 300 m (Ref. 36731). Deep-water; 58°N - 28°S

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

Atlantic Western Indian Ocean: Somalia (Ref. 30573) and India to South Africa, but not in the Red Sea. Eastern Atlantic: Bay of Biscay to South Africa. Western Atlantic: Sable Island, Canada to northern North Carolina, USA (Ref. 7251) to northern Argentina (Ref. 27363). Reported from the Mediterranean (Ref. 93173). Reported from Indonesia (Ref. 5978) but not in the Pacific Ocean.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 80.0 cm TL male/unsexed; (Ref. 4253); common length : 50.0 cm TL male/unsexed; (Ref. 5217); max. published weight: 3.2 kg (Ref. 7251)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 9 - 10; Dorsal soft rays (total): 24 - 26; Anal spines: 3; Anal soft rays: 24 - 26. Body silvery, with a dusky mid lateral spot just posterior to and slightly above end of pectoral fin (Ref. 4253). Fin membranes of spinous dorsal, pectoral, pelvic and caudal fins blackish (Ref. 27363).

Biology     Glossary (e.g. epibenthic)

Frequently encountered in coastal waters (Ref. 27000). Occurs near the bottom or in midwater, over muddy substrates (Ref. 5377). Mesopelagic (Ref. 5951). Found in small schools (Ref. 4968). Feeds on fishes (Ref. 5213) and squids (Ref. 5951). Minimum depth reported taken from Ref. 27363.

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

Main reference Upload your references | References | Coordinator : Heemstra, Phillip C. | Collaborators

Karrer, C. and A. Post, 1990. Zeidae. p. 631-633. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 6953)

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

  Least Concern (LC) ; Date assessed: 31 January 2013

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: commercial
FAO - 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
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Life cycle
Reproduction
Maturity
Maturity/Gills rel.
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Eggs
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Larvae
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Distribution
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BRUVS - Videos
Anatomy
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Physiology
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Swimming type
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Stamps, coins, misc.
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Taxonomy
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Morphology
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References
References

Tools

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Special reports

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Alien/Invasive Species database | 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 | OceanAdapt | 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): 6.1 - 20.1, mean 13.6 °C (based on 418 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5781   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01380 (0.01064 - 0.01790), b=2.93 (2.85 - 3.01), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trophic level (Ref. 69278):  4.5   ±0.0 se; based on diet studies.
Resilience (Ref. 120179):  Low, minimum population doubling time 4.5 - 14 years (Assuming tm>4).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (52 of 100).
Climate Vulnerability (Ref. 125649):  Moderate vulnerability (38 of 100).
Price category (Ref. 80766):   Low.
Nutrients (Ref. 124155):  Calcium = 11.5 [6.2, 25.1] mg/100g; Iron = 0.315 [0.130, 0.656] mg/100g; Protein = 17.6 [14.7, 20.5] %; Omega3 = 0.338 [0.158, 0.710] g/100g; Selenium = 21.5 [8.7, 51.2] μg/100g; VitaminA = 15.5 [2.7, 90.0] μg/100g; Zinc = 0.265 [0.169, 0.420] mg/100g (wet weight);