Cuatrocienegas killifish
📖 Overview
Cuatrocienegas killifish (Lucania interioris) is a ray-finned fish of the family Fundulidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 4 cm. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Endangered on the IUCN Red List. Commercially fished and consumed as food.
🔬 Taxonomy
🐟 Physical Description
Physical description for Cuatrocienegas killifish is currently being compiled.
🌀 Behaviour
Behavioural data for Cuatrocienegas killifish is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; demersal; non-migratory . Subtropical; 28°N - 27°N North America: Cuatrociénegas basin in Coahuila, Mexico.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Lucania Interioris 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
Detailed nutritional data for Cuatrocienegas killifish is currently being compiled from USDA FoodData Central.
🔬 Mercury Safety
Mercury data for Cuatrocienegas killifish 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 (generic fish average)
📊 Population Dynamics
| Year | Region | Index | Notes |
|---|---|---|---|
| - | - | - |
🔍 Similar Species
👥 Community & Contribute
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