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Zenopsis conchifer  (Lowe, 1852)

Silvery John dory
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
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 (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Zeiformes (Dories) > Zeidae (Dories)
Etymology: Zenopsis: Particle zen, derived from zao = to give life + Greek, opsis = appearance.

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

Environment / Climate / 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 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. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial
FAO(fisheries: production; publication : search) | FisheriesWiki | Sea Around Us

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Common names
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Internet sources

Alien/Invasive Species database | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishes of Iran | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5781   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00609 - 0.01304), b=2.92 (2.82 - 3.02), 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. 69278):  Low, minimum population doubling time 4.5 - 14 years (Assuming tm>4).
Vulnerability (Ref. 59153):  High vulnerability (61 of 100) .
Price category (Ref. 80766):   Low.