La Plata croaker
📖 Overview
La Plata croaker (Pachyurus bonariensis) is a ray-finned fish of the family Sciaenidae. It inhabits freshwater waters. This species can reach a maximum total length of 25 cm. With a trophic level of 3.5, it is a low-level carnivore, feeding on invertebrates and small organisms. 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 La Plata croaker is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; benthopelagic. Subtropical South America: Uruguay and Paraguay River basins and lower parts of Paraná River.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"La Plata croaker 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 | 19.4 g |
| Omega-3 (total) | 723 mg |
🔬 Mercury Safety
Mercury data for La Plata croaker 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
| Language | Common Names |
|---|---|
| 🇬🇧English | La Plata Croaker |
| 🌍CES | smuha laplatská |
| 🇵🇹Portuguese | Corvina-de-rio |
| 🇪🇸Spanish | Corvina de río (boca chica) |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Lepipterus bonariensis | Steindachner | 1879 | Synonym |
| Pachyurus paranensis | Daneri | 1956 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .
👥 Community & Contribute
No observations yet - be the first to log one!
View all observations for La Plata croaker ↗Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.
Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.