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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Rhinogobius Mekongianus

Rhinogobius mekongianus Pellegrin & Fang, 1940
Max Length
5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
12.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Collected both in small streams and larger rivers, among stones and boulders, with moderate to swift current . Feeds on zooplankton and insect larvae. Occasionally marketed fresh in mixed catches .

Scientific Name
Rhinogobius mekongianus
Authority
Pellegrin & Fang, 1940
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
5 cm
Trophic Level
3.3
Resilience
High
Vulnerability
12.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 7 - 8; Dorsal soft rays (total): 7 - 9; Anal spines: 1; Anal soft rays: 6 - 9. Depressed head and body; generally pale coloration with 6-7 faint vertical bars and black dots on cheeks. Sexually dimorphic: males with more depressed head and body, a larger mouth, and darker fins. Male with about 40 rounded blackish brown spots on cheeks, usually larger than half of pupil; body with 7 lateral blackish brown bars and several rows of black or brown spots; second dorsal with usually 1 simple and 8 branched rays; anal fin with usually 1 simple and 7 branched rays .: elongated.

🌀 Behaviour

Behavioural data for Rhinogobius Mekongianus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.43
Food Items

zooplankton and insect larvae

📐 Morphometrics

Length–Weight Relationship: W = 0.00813 × L3.08 (TL)
Max TL
5cm
Dorsal Spines
8
Dorsal Rays
8
Anal Spines
1
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Pellegrin & Fang, 1940

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