Yellowfin notothen
📖 Overview
Yellowfin notothen (Patagonotothen guntheri) is a ray-finned fish of the family Nototheniidae. It inhabits marine (saltwater) waters. This species can reach a maximum total length of 25 cm. It occurs at depths between 30 and 160 metres. With a trophic level of 3.7, it is a mid-level predator. Commercially fished and consumed as food.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 5 - 7; Dorsal soft rays (total): 35 - 37; Anal spines: 0; Anal soft rays: 33 - 35; Vertebrae: 51 - 53. Lateral line scales 49 (upper), 8 (lower). Caudal, pectoral and pelvic fins lemon yellow; dorsal and anal fins yellow; tips of all fins lighter .: fusiform / normal.
🌀 Behaviour
Behavioural data for Yellowfin notothen is currently being reviewed.
🦐 Diet
🥚 Reproduction
Mature females may spawn for the first time from around 3-4 years of age .
🌍 Habitat & Distribution
Marine; benthopelagic; depth range 30 - 160 m . Temperate; 49°S - 56°S Southwest Atlantic: Patagonian region of Argentina, around the Falkland Islands, and Burdwood Bank.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Yellowfin notothen 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 | 17.4 g |
| Omega-3 (total) | 653 mg |
🔬 Mercury Safety
Mercury data for Yellowfin notothen 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 (generic fish average)
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | yellowfin notothen |
| 🇯🇵Japanese | マルビナスノトセニア |
| 🇷🇺Russian | Желтопёрая патагонская нототения |
| 🇨🇳Chinese | 根室氏南美南極魚 |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Notothenia guentheri | Norman | 1937 | Synonym |
| Notothenia guntheri | Norman | 1937 | Synonym |
| Patagonotothen brevicauda guntheri | Norman | 1937 | Synonym |
| Patagonotothen guentheri | Norman | 1937 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .
👥 Community & Contribute
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