📖 Overview
Adults invade the flooded forests to feed on nuts and seeds which fall from trees . Reaches around 50.0 cm SL .
Scientific Name
Piaractus mesopotamicus
Body Shape
Short and / or deep
🐟 Physical Description
Dark grey to silver dorsally and laterally and white ventrally with a yellow breast.: short and / or deep.
🌀 Behaviour
Behavioural data for Pacu is currently being
reviewed.
🦐 Diet
algae
aquatic plants
detritus
🥚 Reproduction
🐣 Oviparous
Assuming standard characid reproduction. Replace ASAP.
🌍 Habitat & Distribution
Freshwater; demersal; potamodromous . Subtropical; 15°S - 38°S, 66°W - 42°W South America: Paraguay-Paraná River basin.
🌿 Ecology
Zone Preferences
💧 Freshwater
⬇️ Benthic
Food Items
nuts and seeds which fall from trees (Ref
📐 Morphometrics
Length–Weight Relationship:
W = 0.02455 × L3
(TL)
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
IUCN Category
Near Threatened
📊 Population Risk & Fisheries
Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
38.00/100
Moderate vulnerability
Trophic Level
2
Omnivore / Planktivore
Body Shape
Short and / or deep
Described By
Holmberg, 1887
🎣 Angling Guide
Fight Rating
strong pulls with head-shakes
Best Seasons
spring,summer,fall
Best Time
incoming tide, dawn and dusk
Rod Type
medium-heavy spinning
Catch & Release
✓ Recommended
Best Months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Techniques
bottom fishing
popping cork
soft plastics
live bait
Bait & Lures
live shrimp
cut mullet
soft plastic paddle-tails
popping corks
Recommended Tackle
-
medium-heavy 7ft spinning rod
-
30-50 lb braid
-
fluorocarbon leader
Where to Find Them
-
grass flats
-
oyster bars
-
marsh drains
-
deeper channel edges
Tips & Tricks
Popping cork technique attracts fish from distance. Fish moving tides.
Catch & Release Tips
Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.
Regulations Summary
⚠️
Slot limits protect breeding-size fish. Verify daily bag limits.
⚡ Nutrition
Per 100g cooked - Source: USDA FoodData Central
| Nutrient |
Amount |
| Protein |
18.7 g |
| Omega-3 (total) |
522 mg
|
🔬 Mercury Safety
Mercury data for Pacu has not yet been
assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact
✓ Sustainable Choice
🔬 Full Nutritional Profile
Per 100g - Raw, per 100g
- Source: USDA FoodData Central templates (generic fish average)
Proximate Composition
Energy125 kcal
Moisture75 %
Protein20 %
Total Fat4 %
Ash1.3 %
Fatty Acids (g)
Saturated Fat1 g
Monounsaturated Fat1.2 g
Polyunsaturated Fat1.5 g
Omega-3 Total1 g
EPA0.3 g
DHA0.5 g
Omega-6 Total0.3 g
Key Minerals & Vitamins
Calcium20 mg
Iron0.7 mg
Magnesium30 mg
Phosphorus220 mg
Potassium380 mg
Sodium55 mg
Zinc0.5 mg
Selenium32 µg
Vitamin B122 µg
📊 Population Dynamics
| Year |
Region |
Index |
Notes |
| - |
- |
- |
|