Hart's rivulus
📖 Overview
Facultative air-breathing ; Adults occur at the foot of waterfalls, in swamps, streams and ponds . Eaten in its native range and exported for the ornamental trade . Not a seasonal killifish. Is difficult to maintain in aquarium . They have been observed to hunt insects from overhanging vegetation by jumping out of the water; also observed to travel on land and feed on insects in wet weather . Oviparous .
🔬 Taxonomy
🐟 Physical Description
: elongated.
🌀 Behaviour
Behavioural data for Hart's rivulus is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; brackish; benthopelagic; non-migratory . Tropical; 22°C - 26°C South America: Caribbean coastal river basins.
🌿 Ecology
insects in wet weather (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Hart's rivulus 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 Hart's rivulus is currently being compiled from USDA FoodData Central.
🔬 Mercury Safety
Mercury data for Hart's rivulus 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 |
|---|---|---|---|
| - | - | - |
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Haplochilus hartii | Boulenger | 1890 | Synonym |
| Rivulus hartii | Boulenger | 1890 | Synonym |
🦠 Common Diseases
The following diseases are known to affect Hart's rivulus.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 18 records indexed .
👥 Community & Contribute
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