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🌊 Marine Least Concern 🍽️ Edible 🌡️ Deep-water

Silvery John dory

Zenopsis conchifer Lowe, 1852
Max Length
80 cm
Max Weight
3.2 kg
Lifespan
Trophic Level
4.5
Depth
50–600 m
Climate
Deep-water
Resilience
Low
Vulnerability
60.00/100
Typical Length
50 cm
Depth Zone
deep-water

📖 Overview

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

Scientific Name
Zenopsis conchifer
Authority
Lowe, 1852
Habitat
Marine
Climate
Deep-water
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
80 cm
Max Weight
3.2 kg
Depth Range
50–600 m
Latitude
28°S – 58°N
Trophic Level
4.5
Resilience
Low
Vulnerability
60.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Zeiformes
Zeiformes
Family
Zeidae
Zeidae
Genus
Zenopsis
Zenopsis
Species
Silvery John dory
Zenopsis conchifer

🐟 Physical 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 . Fin membranes of spinous dorsal, pectoral, pelvic and caudal fins blackish .: short and / or deep.

🌀 Behaviour

Behavioural data for Silvery John dory is currently being reviewed.

🦐 Diet

Diet information for Silvery John dory is currently being compiled.

🥚 Reproduction

Reproduction data for Silvery John dory is currently being compiled.

🌍 Habitat & Distribution

Marine; benthopelagic; depth range 50 - 600 m , usually 150 - 300 m . Deep-water; 58°N - 28°S North Carolina, USA (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4.5
🐠 Schooling
Food Items

fishes (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01349 × L2.93 (TL)
Max TL
80cm
Max Weight
3,200g
Dorsal Spines
10
Dorsal Rays
25
Anal Spines
3
Anal Rays
25

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2013

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
60.00/100
High vulnerability
Trophic Level
4.5
Apex / Top predator
Body Shape
Short and / or deep
Climate Zone
Deep-water
Latitude Range
58°N – 28°S
Described By
Lowe, 1852

🍽️ Edibility & Flavour

"Silvery John dory is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • Clear, bright eyes — cloudy eyes indicate age
  • Firm flesh that springs back when pressed
  • Fresh ocean smell, never strong or ammonia-like
  • Bright red or pink gills, not grey or brown
  • Shiny, moist skin with scales tightly attached
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

Nutrition

Per 100g cooked — Source: USDA FoodData Central

Nutrient Amount
Protein 17.6 g
Omega-3 (total) 338 mg

🔬 Mercury Safety

Mercury data for Silvery John dory has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.

🌿 Sustainability

Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact

🌐 Names & Taxonomy

Language Common Names
🇬🇧English American John Dory · Dory · John Dorgy · Sailfin Dory · Silver John Dory · Silvery John dory · buckler dory
🇫🇷French Faux St.-Pierre · Saint Pierre Argenté · Saint-Pierre Américain · Saint-Pierre argenté, Saint-Pierre Américain · zée bouclé d’Amérique
🇯🇵Japanese Minami-kagamidai
🇵🇱Polish Piotrosz amerykanski
🇵🇹Portuguese Galho · Galo · Galo Branco · Galo-branco · Galo-da-costa · Galo-da-fundura · Galo-de-fundo · Galo-do-alto · Galo-do-fundo · Galo-do-mar · Peixe Galo · Peixe São-Pedro · Peixe-de-São-Pedro · Peixe-galinha · Peixe-galo · Peixe-galo-branco · Peixe-galo-da-fundura · Peixe-prata · São Pedro · São Pedro Prateado
🇪🇸Spanish Gallo · Pez de San Pedro Americano · San Pedro · San Pedro plateado

Scientific Synonyms

Scientific Name Author Year Status
Parazenopsis argenteus Cligny 1909 Synonym
Zenopsis conchifera Lowe 1852 Synonym
Zenopsis couchifer Lowe 1852 Synonym
Zenopsis figueirai Berg 1895 Synonym
Zenopsis ocellatus Storer 1857 Synonym
Zeus conchifer Lowe 1852 Synonym
Zeus ocellatus Storer 1857 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 703 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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