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💧 Freshwater Least Concern 🌡️ Tropical

Metynnis Otuquensis

Metynnis otuquensis Ahl, 1923
Max Length
8.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Metynnis Otuquensis (Metynnis otuquensis), first described by Ahl, 1923 is a small fish in the family Serrasalmidae (order Characiformes). Adults typically reach 8.70 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 Least Concern.

Scientific Name
Metynnis otuquensis
Authority
Ahl, 1923
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
8.7 cm
Trophic Level
3.3
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Metynnis Otuquensis is currently being compiled.

🌀 Behaviour

Behavioural data for Metynnis Otuquensis is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical South America: Otuquis River in Paraguay River basin.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.3±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.02818 × L3.09 (TL)
Max TL
8.7cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Tropical
Described By
Ahl, 1923

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