Oligosarcus Jenynsii
📖 Overview
Oligosarcus Jenynsii (Oligosarcus jenynsii) is a ray-finned fish of the family Acestrorhamphidae. It inhabits freshwater waters. This species can reach a maximum total length of 31 cm. With a trophic level of 4, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List. Commercially fished and consumed as food.
🔬 Taxonomy
🐟 Physical Description
: fusiform / normal.
🌀 Behaviour
Behavioural data for Oligosarcus Jenynsii is currently being reviewed.
🦐 Diet
Diet information for Oligosarcus Jenynsii is currently being compiled.
🥚 Reproduction
Reproduction data for Oligosarcus Jenynsii is currently being compiled.
🌍 Habitat & Distribution
Freshwater; benthopelagic; potamodromous . Subtropical South America: streams, rivers and lagoons of coastal areas and interior plains of Rio Grande do Sul (Brazil), Uruguay and Argentina.
🌿 Ecology
fish (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Oligosarcus Jenynsii 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 | 19.1 g |
| Omega-3 (total) | 824 mg |
🔬 Mercury Safety
Mercury data for Oligosarcus Jenynsii has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🔍 Similar Species
👥 Community & Contribute
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