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

💧 Freshwater 🌡️ Tropical

Oreonectes Polystigmus

Oreonectes polystigmus Du, Chen & Yang, 2008
Max Length
5.8 cm
Max Weight
-
Lifespan
-
Trophic Level
2.8
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
32.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Oreonectes Polystigmus (Oreonectes polystigmus) is a ray-finned fish of the family Nemacheilidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 5.8 cm. With a trophic level of 2.8, it is an omnivore, consuming both plant and animal matter.

Scientific Name
Oreonectes polystigmus
Authority
Du, Chen & Yang, 2008
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
Max Length
5.8 cm
Trophic Level
2.8
Resilience
Medium
Vulnerability
32.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 9 - 10; Anal soft rays: 7; Vertebrae: 34 - 37. Diagnosed by the following characters: anterior and posterior nostrils separated by short distance; anterior nostril elongated into barbel-like structure; tip of anterior nostril extending middle of posterior nostril; caudal fin rounded; body and belly completely with scales; incomplete lateral line with 6-8 pores; cephalic lateral-line system with 7 supraorbital, 4 +7 infraorbital pores; exhibits sexual dimorphism with males having genital papilla located immediately posterior to anus; gonads opens at end of fleshy prominence . : elongated.

🌀 Behaviour

Behavioural data for Oreonectes Polystigmus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2.8±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00724 × L3.01 (TL)
Max TL
5.8cm
Dorsal Rays
10
Anal Rays
7
Vertebrae
36

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
32.00/100
Low vulnerability
Trophic Level
2.8
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Du, Chen & Yang, 2008

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Oreonectes Polystigmus ↗
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.