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💧 Freshwater Least Concern 🍽️ Edible 🌡️ Tropical

Greenstripe pencilfish

Nannostomus marilynae Weitzman & Cobb, 1975
Max Length
5 cm
Max Weight
Lifespan
Trophic Level
3.3
Depth
Climate
Tropical
Resilience
Vulnerability
10.00/100
Typical Length
Depth Zone

📖 Overview

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

Scientific Name
Nannostomus marilynae
Authority
Weitzman & Cobb, 1975
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
5 cm
Trophic Level
3.3
Vulnerability
10.00/100
Water Temp
24–26 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Greenstripe pencilfish is currently being compiled.

🌀 Behaviour

Behavioural data for Greenstripe pencilfish is currently being reviewed.

🦐 Diet

Diet information for Greenstripe pencilfish is currently being compiled.

🥚 Reproduction

Produces 20-30 young per year.

🌍 Habitat & Distribution

Freshwater; benthopelagic; pH range: 5.5 - 6.5; dH range: ? - 4. Tropical; 24°C - 26°C South America: Negro and Vichada River basins.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00661 × L3.13 (TL)
Max TL
5cm

🌡️ Water Parameters & Tolerance

Temperature Range
24–26°C
pH Range
5.5–6.5
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Tropical
Described By
Weitzman & Cobb, 1975

🍽️ Edibility & Flavour

"Nannostomus Marilynae 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 Greenstripe pencilfish is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Greenstripe pencilfish 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

👥 Community & Contribute

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