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💧 Freshwater Near Threatened 🐠 Aquarium 🌡️ Tropical

Mugilogobius Rexi

Mugilogobius rexi Larson, 2001
Max Length
3.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Facultative air-breathing in the genus ; Hovers above the substrate, in a slightly diagonal position, with caudal fin curved to one side. Inhabits water at least a meter's depth, over silty substrate, near clumps of aquatic plants and the freshwater mangrove Barringtonia racemosa .

Scientific Name
Mugilogobius rexi
Authority
Larson, 2001
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
NT
Max Length
3.3 cm
Trophic Level
3.3
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 8 - 9; Anal spines: 1; Anal soft rays: 7 - 9; Vertebrae: 27 - 28. Live color yellow for male yellowish grey for female . Longitudinal scales 37-30; TRB 8-10; predorsal scales 11-19; scales on nape reaching nearly up to eyes or past preopercular edge; vertebrae modally 11+16; below the eye often with about 6 short rows of transverse papillae, transverse rows sometimes developed as part of longitudinal rows c and cp . Caudal fin rounded to slightly truncate .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Mugilogobius Rexi 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±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01 × L3 (TL)
Max TL
3.3cm
Dorsal Spines
7
Dorsal Rays
9
Anal Spines
1
Anal Rays
8
Vertebrae
28

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Near Threatened
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Larson, 2001

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