Longfin tetra
📖 Overview
Generally found in the upper and lower reaches of big rivers and also in estuarine zones of mixohaline waters . The only Brycinus species to penetrate small rivers and streams , but such specimens are always smaller than those in large rivers . Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 100 cm .
🔬 Taxonomy
🐟 Physical Description
Anal spines: 0; Anal soft rays: 18 - 26. Diagnosis: fronto-parietal fontanel narrow, but always present; 25-34 lateral line scales; 5.5 scales between lateral line and dorsal fin; 15-23 anal fin branched rays; 13-15 gill rakers on lower limb of first gill arch; 6 teeth in outer premaxillary row . Head length/snout length 3.3-4.4; 8.5-11.5 predorsal scales . Precaudal spot elongate, extending to end of caudal fin . : fusiform / normal.
🌀 Behaviour
Behavioural data for Longfin tetra is currently being reviewed.
🦐 Diet
🥚 Reproduction
Spawns in pairs or schools.
🌍 Habitat & Distribution
Freshwater; brackish; pelagic; pH range: 6.0 - 8.0; dH range: 5 - 19; potamodromous . Tropical; 22°C - 26°C found in upper as well as lower river courses and may even occur in brackish waters of estuarine areas (Ref.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
👥 Community & Contribute
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