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💧 Freshwater 🌡️ Tropical

Microsternarchus Javieri

Microsternarchus javieri Gomes, 2025
Max Length
10.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

This species is found in streams with well-oxygenated water and slow currents. At rest, they dwell in shallow areas of 0.3 to 1.5 m depth in the dry season, futher characterized by the presence of dead leaves, leaf litter, vegetation cover, and tangled roots .

Scientific Name
Microsternarchus javieri
Authority
Gomes, 2025
Habitat
Freshwater
Climate
Tropical
Max Length
10.1 cm
Trophic Level
3.1
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

This species is distinguished from its congeners by the following set of characters: smaller maximum body depth; eye diameter 10-15%, caudal filament 26-44%, caudal vertebrae 60-65 (N = 11); anal fin rays 146-174; total length 74.5-111.7 mm; displaced haemal spines 2-3; ventral margin of the maxilla convex shape in adults and less convex to straight in juveniles .Cross section: oval.

🌀 Behaviour

Behavioural data for Microsternarchus Javieri is currently being reviewed.

🦐 Diet

Diet information for Microsternarchus Javieri is currently being compiled.

🥚 Reproduction

Reproduction data for Microsternarchus Javieri is currently being compiled.

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical South America: Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00102 × L3.06 (TL)
Max TL
10.1cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Climate Zone
Tropical
Described By
Gomes, 2025

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