aquarium
📖 Overview
Inhabits the lower part of larger rivers . Nocturnal, plus active during dusk and dawn. Feeds on smaller fish.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 1; Dorsal soft rays (total): 2 - 3; Anal soft rays: 54 - 61; Vertebrae: 48 - 50. Distinct, irregularly-shaped, patch of dark pigmentation on each caudal-fin lobe which contrasts with the dark transverse bar extending from the upper anterodorsal margin of the dorsal lobe of the caudal fin to the posterior margin of the middle rays of the dorsal lobe; lack of a distinct patch of dark pigmentation on the ventral lobe of the caudal fin. Nuptial males have highly developed dorsal spine with well developed basal and distal anterior projections, modifications.: elongated.
🌀 Behaviour
Behavioural data for aquarium is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; demersal. Subtropical; 20°C - 22°C South America: Central and western parts of the Amazon basin along and south of the main channel of Amazon River, and Paraguay River basin in Paraguay, northern Argentina and southern Brazil.
🌿 Ecology
smaller fish
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🦠 Common Diseases
The following diseases are known to affect aquarium.
🔍 Similar Species
👥 Community & Contribute
No observations yet - be the first to log one!
View all observations for aquarium ↗Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.
Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.