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Zenopsis conchifer  (Lowe, 1852)

Silvery John dory
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Native range | All suitable habitat | Point map | Year 2100
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Zenopsis conchifer   AquaMaps   Data sources: GBIF OBIS
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Image of Zenopsis conchifer (Silvery John dory)
Zenopsis conchifer
Picture by Cambraia Duarte, P.M.N. (c)ImagDOP


Portugal country information

Common names: Buckler dory, Galo branco, Galo-branco
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist: Portugal
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/po.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Quéro, J.-C., 1986
National Database: Portuguese Freshwater Fishes

Classification / Names

Actinopterygii (ray-finned fishes) > Zeiformes (Dories) > Zeidae (Dories)
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

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

Main reference

Size / Weight / Age

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)

Environment

Marine; benthopelagic; depth range 50 - 600 m (Ref. 4968), usually 150 - 300 m (Ref. 36731)

Climate / Range

Deep-water, preferred 23°C (Ref. 107945); 58°N - 28°S

Distribution

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.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

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.

IUCN Red List Status (Ref. 115185)

Threat to humans

  Harmless



Human uses

Fisheries: commercial

More information

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
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Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
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Tools

Special reports

Download XML

Internet sources

Alien/Invasive Species database | BHL | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | ECOTOX | FAO(fisheries: production; publication : search) | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | PubMed | Scirus | Sea Around Us | SeaLifeBase | Tree of Life | uBio | uBio RSS | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record | Fishtrace

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5781 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

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