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💧 Freshwater Least Concern 🌡️ Tropical

Metynnis Polystictus

Metynnis polystictus Zarske & Géry, 2008
Max Length
16.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
13.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Metynnis Polystictus (Metynnis polystictus), first described by Zarske & Géry, 2008 is a medium-sized fish in the family Serrasalmidae (order Characiformes). Adults typically reach 16.70 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 polystictus
Authority
Zarske & Géry, 2008
Habitat
Freshwater
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
16.7 cm
Trophic Level
3.5
Resilience
High
Vulnerability
13.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

: short and / or deep.

🌀 Behaviour

Behavioural data for Metynnis Polystictus 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: Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.5±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.02818 × L3.09 (TL)
Max TL
16.7cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
13.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Zarske & Géry, 2008

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