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💧 Freshwater Least Concern 🍽️ Edible 🌡️ Tropical

Pygmy hatchetfish

Carnegiella myersi Yépez, 1950
Max Length
2.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Pygmy hatchetfish (Carnegiella myersi), first described by Yépez, 1950 is a tiny fish in the family Gasteropelecidae (order Characiformes). Adults typically reach 2.20 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.The species is important as a food fish and considered a sustainable seafood option under current management. As a member of the Gasteropelecidae, it shares life-history and morphological traits with its relatives in the group.

Scientific Name
Carnegiella myersi
Authority
Yépez, 1950
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
2.2 cm
Trophic Level
3.1
Vulnerability
10.00/100
Water Temp
23–26 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Pygmy hatchetfish is currently being compiled.

🌀 Behaviour

Behavioural data for Pygmy hatchetfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; pelagic; pH range: 5.5 - 6.5; dH range: ? - 20. Tropical; 23°C - 26°C South America: Amazon River basin in Peru.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01698 × L3.09 (TL)
Max TL
2.2cm

🌡️ Water Parameters & Tolerance

Temperature Range
23–26°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
3.1
Predator
Climate Zone
Tropical
Described By
Yépez, 1950

🍽️ Edibility & Flavour

"Pygmy hatchetfish 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 Pygmy hatchetfish is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Pygmy hatchetfish 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
- - -

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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