New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater 🌡️ Tropical

Wedged zipper loach

Paracanthocobitis triangula Singer, Pfeiffer & Page, 2017
Max Length
2.9 cm
Max Weight
Lifespan
Trophic Level
2.9
Depth
Climate
Tropical
Resilience
High
Vulnerability
19.00/100
Typical Length
Depth Zone
demersal

📖 Overview

Wedged zipper loach (Paracanthocobitis triangula) is a ray-finned fish. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 2.9 cm. With a trophic level of 2.9, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Paracanthocobitis triangula
Authority
Singer, Pfeiffer & Page, 2017
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
Max Length
2.9 cm
Trophic Level
2.9
Resilience
High
Vulnerability
19.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Paracanthocobitis
Paracanthocobitis
Species
Wedged zipper loach
Paracanthocobitis triangula

🐟 Physical Description

Paracanthocobitis triangula differs from all other congeners by combination of the following characters: incomplete lateral line ending near the insertion of dorsal fin; dorsal fin with 9½-10½ branched rays; presence of axillary pelvic lobe; series of black blotches, sometimes overlain with faint dusky stripe along side of body not obscuring lateral blotches, ending just beyond insertion of dorsal fin; presence of small black triangular blotch in ocellus on upper margin of caudal-fin base; black pigment of the midlateral stripe not extending onto the base of pectoral fin; absence of marmorated pattern between dorsal saddles and lateral blotches; dorsal saddles usually extending ventrally just past faint lateral stripe, usually connecting to lateral blotches; upper caudal fin with 8 branched rays .: elongated.

🌀 Behaviour

Behavioural data for Wedged zipper loach is currently being reviewed.

🦐 Diet

Diet information for Wedged zipper loach is currently being compiled.

🥚 Reproduction

Reproduction data for Wedged zipper loach is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2.9±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00724 × L3.01 (TL)
Max TL
2.9cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
19.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Singer, Pfeiffer & Page, 2017

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet — be the first to log one!

View all observations for Wedged zipper loach ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.