Habitat of type locality is a medium-sized stream, sand substrate with lots of leaf litter and marginal grass; prefers freshwater (
Dorsal spines (total): 0; Dorsal soft rays (total): 18 - 20; Anal spines: 0; Anal soft rays: 25 - 26. Diagnosis: Body depth 28.7-32.3% of standard length; predorsal length 62.3-65.8% of standard length; preanal length 59.5-63.7% of standard length; length of snout to centre of eye 34.5-38.3% of head length; length of snout to posterior orbital rim of eye 44.2-47.9% of head length; number of scales around caudal peduncle 12-16 . : fusiform / normal.
Behavioural data for Petrocephalus Petersi is currently being reviewed.
Diet information for Petrocephalus Petersi is currently being compiled.
Reproduction data for Petrocephalus Petersi is currently being compiled.
Freshwater; demersal. Tropical
No observations yet — be the first to log one!
View all observations for Petrocephalus Petersi ↗Spotted incorrect or outdated data?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.