Identity and locality
Spectracanthicus punctatissimus (Steindachner, 1881)
Rio Xingu, near Altamira, Pará, Brazil
Diagnostic evidence and naming
2014 taxonomic revision explicitly maps L016 and L030 to this formally described species. Small yellowish dots and rounded dorsal snout profile distinguish it from several congeners. Do not count both L numbers as species.
Breeding and genetics limitations
Described wild collection under shelter in oxygenated Xingu habitats; do not equate river current/depth measurements with required aquarium values.
Original references
Links are research leads; they do not certify every statement. Check original taxonomy and date.
Public Discord research discussion
Follow the original forum topic. It is a discussion record, not independent scientific verification.