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💧 Freshwater Least Concern 🍽️ Edible 🌡️ Tropical

aquarium

Trigonectes balzanii Perugia, 1891
Max Length
16 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
11.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Overview information for aquarium is currently being compiled by our editorial team.

Scientific Name
Trigonectes balzanii
Authority
Perugia, 1891
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
16 cm
Trophic Level
3.4
Resilience
High
Vulnerability
11.00/100
Migration
Non-migratory
Water Temp
22–28 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 9 - 11; Anal soft rays: 14 - 17. Having curved mouth cleft; small eyes (the orbital diameter is 7.7-10.0% SL in adult males; adult males have smaller eyes than adult females); large body depth of adults (23.2-26.2% SL); great head (29.2-30.6% SL in juveniles; no adults available) .

🌀 Behaviour

Behavioural data for aquarium is currently being reviewed.

🦐 Diet

Diet information for aquarium is currently being compiled.

🥚 Reproduction

Reproduction data for aquarium is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic; non-migratory. Tropical; 22°C - 28°C South America: Paraguay River basin.

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Non-migratory
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00661 × L3.1 (TL)
Max TL
16cm
Dorsal Rays
10
Anal Rays
16

🌡️ Water Parameters & Tolerance

Temperature Range
22–28°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
11.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Tropical
Described By
Perugia, 1891

🍽️ Edibility & Flavour

"aquarium is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • 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
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

Nutrition

Detailed nutritional data for aquarium is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for aquarium 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

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Haplochilus balzanii Perugia 1891 Synonym
Rivulus rondoni Miranda Ribeiro 1920 Synonym
Trigonectes balsani Perugia 1891 Synonym
Trigonectes rondoni Miranda Ribeiro 1920 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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