Hopliancistrus Wolverine
📖 Overview
Hopliancistrus Wolverine (Hopliancistrus wolverine) is a ray-finned fish. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 18.2 cm.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 2; Dorsal soft rays (total): 7; Anal soft rays: 5; Vertebrae: 28. This species is distinguished from its congeners by the following characters: body black, dark olive, or dark gray covered by conspicuous greenish-yellow small dots of similar size on head, trunk, and fins (vs. head with small spots, and large whitish-yellow spots or blotches posteriorly towards caudal fin, with dorsal, caudal, and anal fins covered by dark brown spots over rays); differs further from its congeners except H. tricornis by a narrow, barshaped connection strut between anterior process of compound pterotic and main body, leaving a large posterior gap (vs. connection strut shaped as a continuous sheet); differs from its congeners except H. xikrin by the pectoral-fin spine length 32.1-38.4% of SL (vs. 25.1-29.9% in tricornis, 24.5-30.9% in munduruku and 27.4-30.8% of SL in xavante); differs from xikrin by the transverse processes of first and second dorsal-fin pterygiophores sutured to each other (vs. no contact between the transverse processes of first and second pterygiophores); differs from xavante by having a narrow nasal bone plate (vs. nasal broad, sometimes slightly triangular); the nuchal plate exposed and covered by odontodes (vs. plate covered by thick skin and usually lacking odontodes); differs from tricornis by having five branched rays on the anal-fin (vs. four) .Cross section: angular.
🌀 Behaviour
Behavioural data for Hopliancistrus Wolverine is currently being reviewed.
🦐 Diet
Diet information for Hopliancistrus Wolverine is currently being compiled.
🥚 Reproduction
Reproduction data for Hopliancistrus Wolverine is currently being compiled.
🌍 Habitat & Distribution
Freshwater; demersal. Subtropical South America: Brazil.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
👥 Community & Contribute
No observations yet - be the first to log one!
View all observations for Hopliancistrus Wolverine ↗Spotted incorrect or outdated data?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.