aquarium
📖 Overview
aquarium (Cynolebias griseus) is a ray-finned fish of the family Rivulidae. It inhabits freshwater waters. This species can reach a maximum total length of 8.3 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Critically Endangered on the IUCN Red List. Commercially fished and consumed as food.
🔬 Taxonomy
🐟 Physical Description
Dorsal soft rays (total): 17 - 22; Anal soft rays: 19 - 23. Wide basihyal in both sexes. Females with 1-2 black precaudal blotches. Supraorbital neuromasts 21-22. Dorsal-fin rays 20-22 in males, 17-19 in females; anal-fin rays 21-23 in males, 19-21 in females; caudal-fin rays 33-34. Caudal and pectoral fins rounded. Filamentous rays on anal fin of male lacking. Contact organs on scales of body and head of male present. Snout gently pointed with lower jaw slightly elongated .: fusiform / normal; Cross section: compressed.
🌀 Behaviour
Behavioural data for aquarium is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; benthopelagic; non-migratory. Tropical; 22°C - 26°C South America: Upper Tocantins River basin in Brazil.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"aquarium 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 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
🔬 Full Nutritional Profile
Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)
📊 Population Dynamics
| Year | Region | Index | Notes |
|---|---|---|---|
| - | - | - |
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🌍CES | vějířovka šedá |
| 🇵🇹Portuguese | Peixe-anual |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .
👥 Community & Contribute
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