Kamchatka flounder
📖 Overview
Kamchatka flounder (Atheresthes evermanni) is a ray-finned fish of the family Pleuronectidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 100 cm. It occurs at depths between 20 and 1200 metres. With a trophic level of 4.3, it is an apex predator. It is assessed as Least Concern on the IUCN Red List. Commercially fished and consumed as food.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 0; Dorsal soft rays (total): 98 - 116; Anal spines: 0; Anal soft rays: 76 - 94. Mouth very large; gill rakers slender; caudal fin strong and lunate .: short and / or deep.
🌀 Behaviour
Behavioural data for Kamchatka flounder is currently being reviewed.
🦐 Diet
The Kamchatka flounder's diet consists of fish and zoobenthos organisms such as squid, cuttlefish, shrimps, prawns, amphipods, mysids, mollusks and marine worms, though the most important prey item is the walleye pollock, which accounted for 56-86% of stomach contents by weight in one study.
🥚 Reproduction
🌍 Habitat & Distribution
Marine; demersal; depth range 20 - 1200 m . Temperate; 66°N - 35°N, 130°E - 153°W North Pacific: Sea of Japan and the Sea of Okhotsk north to the Anadyr Gulf, through the eastern Bering Sea to the Aleutian Islands and the Shelikof Strait in Alaska.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Kamchatka 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 | 17.2 g |
| Omega-3 (total) | 375 mg |
🔬 Mercury Safety
Mercury data for Kamchatka 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 |
|---|---|---|---|
| Reinhardtius evermanni | Jordan & Starks | 1904 | Synonym |
| Reinhardtius oleosus | Tanaka | 1918 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
👥 Community & Contribute
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