aquarium
📖 Overview
aquarium (Nannocharax occidentalis), first described by Daget, 1959 is a small fish in the family Distichodontidae (order Characiformes). Adults typically reach 5.80 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 Distichodontidae, it shares life-history and morphological traits with its relatives in the group.
🔬 Taxonomy
🐟 Physical Description
Diagnosis: body very elongate; head length 3.9-4.4x SL; scale formula 4.5-5.5/49-54/-; 7-8 scales between anus and anal-fin base; 14-16 scales around caudal peduncle; 10-12.5 scales between posterior end of adipose and caudal fin base; pectoral fins usually extend beyond pelvic-fin bases; dorsal-fin origin behind level of pelvic-fin insertions; 9-10 anal fin branched rays; 13-14 dorsal fin branched rays; 13-16 pectoral fin branched rays; 9-10 pelvic fin branched rays; fins, including adipose fin, colourless, but often dark spot at base of each caudal-fin lobe and small spot in antero-dorsal region of dorsal fin; 7-11 cross-bars present on back; 4-7 separate spots along lateral line . : elongated.
🌀 Behaviour
Behavioural data for aquarium is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; pelagic; pH range: 6.2 - 7.2; dH range: 6 - 18; potamodromous . Tropical; 22°C - 27°C
🌿 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
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Nannocharax niloticus occidentalis | Daget | 1959 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 12 records indexed .
👥 Community & Contribute
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