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💧 Freshwater Endangered 🌡️ Tropical

Myoglanis Aspredinoides

Myoglanis aspredinoides DoNascimiento & Lundberg, 2005
Max Length
9.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
39.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Myoglanis Aspredinoides (Myoglanis aspredinoides), first described by DoNascimiento & Lundberg, 2005 is a small fish in the family Heptapteridae (order Siluriformes). Adults typically reach 9.60 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Endangered.

Scientific Name
Myoglanis aspredinoides
Authority
DoNascimiento & Lundberg, 2005
Habitat
Freshwater
Climate
Tropical
IUCN Status
EN
Max Length
9.6 cm
Trophic Level
3.4
Vulnerability
39.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

A species of Myoglanis with 32–35 anal-fin rays (vs. 25–28 in M. koepckei and 16–21 in M. potaroensis); caudal fin lanceolate (vs. caudal fin bifurcated in M. koepckei and forked, divided to the base of the rays in M. potaroensis); anterior margin of pectoral spine with low, retrorse serrations only distally and without erect dentations along middle and proximal end of spine (vs. erect dentations present along entire anterior margin of pectoral spine in M. koepckei and M. potaroensis) and 56–57 vertebrae (vs. 47 in M. koepckei and 46 in M. potaroensis) .

🌀 Behaviour

Behavioural data for Myoglanis Aspredinoides 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 South America: recorded only from the Río Ventuari, a tributary of the upper Orinoco river basin in Venezuela, in stagnant pools formed by rocks and around 2 m of maximum depth, with clear waters and sandy and muddy bottom.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00813 × L2.97 (TL)
Max TL
9.6cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2020

📊 Population Risk & Fisheries

Fishing Vulnerability
39.00/100
Moderate vulnerability
Trophic Level
3.4
Predator
Climate Zone
Tropical
Described By
DoNascimiento & Lundberg, 2005

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