Flathead flounder
📖 Overview
Flathead flounder (Hippoglossoides dubius), first described by Schmidt, 1904 is a large fish in the family Pleuronectidae (order Pleuronectiformes). Adults typically reach 45.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 10 to 600 metres. It occurs in Temperate waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.The species is important as a food fish. As a member of the Pleuronectidae, it shares life-history and morphological traits with its relatives in the group.
🔬 Taxonomy
🐟 Physical Description
: short and / or deep.
🌀 Behaviour
Behavioural data for Flathead flounder is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; demersal; oceanodromous ; depth range 10 - 600 m . Temperate; 33°N - 53°N, 122°E - 158°E Northwest Pacific: Sea of Japan and Sea of Okhotsk, Kamchatka and Korea (Ref.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Flathead flounder is an edible species."
- 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
- Cloudy or sunken eyes
- Strong fishy or ammonia odour
- Soft, mushy flesh that doesn't spring back
- Discoloured or dry flesh
⚡ Nutrition
Per 100g cooked - Source: USDA FoodData Central
| Nutrient | Amount |
|---|---|
| Protein | 17 g |
| Omega-3 (total) | 373 mg |
🔬 Mercury Safety
Mercury data for Flathead flounder has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🔬 Full Nutritional Profile
Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (lean white fish average)
📊 Population Dynamics
| Year | Region | Index | Notes |
|---|---|---|---|
| - | - | - |
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Hippoglossoides elassodon dubius | Schmidt | 1915 | Synonym |
| Hippoglossoides katakurae | Snyder | 1911 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
👥 Community & Contribute
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