Baryancistrus Xanthellus
📖 Overview
Young individuals form groups of several individuals under flat rocks at the bottom of shallow rapid stretches. Adults occur in larger spaces among and under submerged boulders. Based on three specimens, this species feeds mainly on algae and occasionally on bryozoans and chironomid larvae .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 2; Dorsal soft rays (total): 7; Anal soft rays: 5. Distinguished from all its congeners by the presence of broad light band on dorsal and caudal fin distal borders in juveniles, becoming a small dot on dorsal and caudal-fin tips in adults. In addition, this can be separated from all other congeners by the combination of the following characters: presence of light spots on the whole body; naked abdomen; around 60 mandibullary teeth on both maxillae; and presence of bold yellow markings in young individuals, a reason for its popular name in the aquarium trade 'amarelinho' in Portuguese (meaning little yellow) .: elongated.
🌀 Behaviour
Behavioural data for Baryancistrus Xanthellus is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; demersal. Tropical South America: Volta Grande do rio Xingu, an area immediately above Belo Monte falls, and rio Iriri, the larger tributary of rio Xingu in Brazil.
🌿 Ecology
algae and occasionally on bryozoans and chironomid larvae (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🦠 Common Diseases
The following diseases are known to affect Baryancistrus Xanthellus.
🔍 Similar Species
👥 Community & Contribute
No observations yet - be the first to log one!
View all observations for Baryancistrus Xanthellus ↗Spotted incorrect or outdated data?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.