Astyanax Pirabitira
📖 Overview
Occurs in streams and rivers, inhabiting lotic shallow areas (up to 1 m deep) with clear water and bottom composed of gravel and stones, at altitudes from 800 to 1200 m above sea level. Syntopic with Astyanax brachypterygium, ustraloheros sp., Cnesterodon brevirostratus, Eurycheilichthys sp., Jenynsia eirmostigma, Pareiorhaphis hystrix, Rhamdia sp., and Trichomycterus tropeiro .
🔬 Taxonomy
🐟 Physical Description
Dorsal soft rays (total): 10 - 11; Vertebrae: 35 - 38. This species is distinguished from its congeners by the combination of the following characters: body depth 27.1-34.0% of standard length; interorbital width 22.2-28.7% of head length; head depth 72.9-97.0% of HL; 15-20 branched rays on anal fin; 37-40 lateral line scales; one or two maxillary teeth; two humeral spots; and absence of bony hooks in the anal fin of males .: fusiform / normal.
🌀 Behaviour
Behavioural data for Astyanax Pirabitira is currently being reviewed.
🦐 Diet
Diet information for Astyanax Pirabitira is currently being compiled.
🥚 Reproduction
Reproduction data for Astyanax Pirabitira is currently being compiled.
🌍 Habitat & Distribution
Freshwater; benthopelagic. Subtropical South America: upper rio das Antas drainage, laguna dos Patos system, and upper rio Pelotas basin, rio Uruguay drainage in southern Brazil.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
No observations yet - be the first to log one!
View all observations for Astyanax Pirabitira ↗Spotted incorrect or outdated data?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.