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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Oreonectes Retrodorsalis

Oreonectes retrodorsalis Lan, Yang & Chen, 1995
Max Length
3.8 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
25.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Oreonectes Retrodorsalis (Oreonectes retrodorsalis) 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 3.8 cm. With a trophic level of 2.9, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Oreonectes retrodorsalis
Authority
Lan, Yang & Chen, 1995
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
3.8 cm
Trophic Level
2.9
Resilience
High
Vulnerability
25.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Cypriniformes
Cypriniformes
Family
Nemacheilidae
Nemacheilidae
Genus
Oreonectes
Oreonectes
Species
Oreonectes Retrodorsalis
Oreonectes retrodorsalis

🐟 Physical Description

Dorsal soft rays (total): 11; Anal soft rays: 9. Distinguished from other species by having the following characters: head compressed; eyes present; dorsal-fin origin behind the pelvic-fin origin; entire body and belly covered by scales; incomplete lateral line with 3-4 pores; cephalic lateral-line system reduced, with only 2+4 infraorbital pores; caudal fin emarginate . : elongated.

🌀 Behaviour

Behavioural data for Oreonectes Retrodorsalis 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
2.9±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00724 × L3.01 (TL)
Max TL
3.8cm
Dorsal Rays
11
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
25.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Lan, Yang & Chen, 1995

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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