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🌊 Marine 🍽️ Edible 🌡️ Temperate

Patagonian toothfish

Dissostichus eleginoides Smitt, 1898
Max Length
215 cm
Max Weight
9.6 kg
Lifespan
31 yrs
Trophic Level
4.5
Depth
0–2144 m
Climate
Temperate
Resilience
Low
Vulnerability
81.00/100
Typical Length
70 cm
Depth Zone
pelagic

📖 Overview

At 12-15 cm TL, semi-pelagic juveniles become demersal at 150-400 m depth . Adults migrate to deeper habitats at depths greater than 1,000 m . Utilized as food fish .

Scientific Name
Dissostichus eleginoides
Authority
Smitt, 1898
Habitat
Marine
Climate
Temperate
Body Shape
Fusiform / normal
Max Length
215 cm
Max Weight
9.6 kg
Lifespan
31 years
Depth Range
0–2144 m
Trophic Level
4.5
Resilience
Low
Vulnerability
81.00/100
Migration
Oceanodromous
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 8 - 10; Dorsal soft rays (total): 28 - 30; Anal spines: 0; Anal soft rays: 28 - 30; Vertebrae: 53 - 54. Lateral line scales 88-104 (upper), 61-77 (lower).: fusiform / normal.

🌀 Behaviour

Behavioural data for Patagonian toothfish is currently being reviewed.

🦐 Diet

Diet information for Patagonian toothfish is currently being compiled.

🥚 Reproduction

Size at Maturity
49cm TL

May spawn for the first time from around 8-10 years of age .

🌍 Habitat & Distribution

Marine; pelagic-oceanic; oceanodromous ; depth range 0 - 2144 m , usually 70 - 1500 m . Temperate; 33°S - 66°S, 77°W - 180°E Southeast Pacific and Southwest Atlantic: southern Chile round the coast to Patagonia (Argentina) and the Falkland Islands.

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Migration
Oceanodromous
Trophic Level
4.5±0.8

📐 Morphometrics

Length–Weight Relationship: W = 0.00631 × L3.15 (TL)
Max TL
215cm
Max Weight
9,600g
Dorsal Spines
9
Dorsal Rays
29
Anal Rays
29
Vertebrae
54

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
81.00/100
Very High vulnerability
Trophic Level
4.5
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Smitt, 1898

🍽️ Edibility & Flavour

"Patagonian toothfish 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) 744 mg

🔬 Mercury Safety

Mercury data for Patagonian toothfish 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

Scientific Synonyms

Scientific Name Author Year Status
Dissostichus amissus Gill & Townsend 1901 Synonym
Dissosticus eleginoides Smitt 1898 Synonym
Macrias amissus Gill & Townsend 1901 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 17 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Patagonian toothfish ↗
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