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💧 Freshwater Endangered 🌡️ Tropical

Steindachneridion Punctatum

Steindachneridion punctatum Miranda Ribeiro, 1918
Max Length
69.7 cm
Max Weight
-
Lifespan
-
Trophic Level
4.2
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
52.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Steindachneridion Punctatum (Steindachneridion punctatum), first described by Miranda Ribeiro, 1918 is a large fish. Adults typically reach 69.70 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. Diet is predominantly piscivorous, targeting other fish and larger prey. On the IUCN Red List, it is classified as Endangered.

Scientific Name
Steindachneridion punctatum
Authority
Miranda Ribeiro, 1918
Habitat
Freshwater
Climate
Tropical
IUCN Status
EN
Max Length
69.7 cm
Trophic Level
4.2
Resilience
Medium
Vulnerability
52.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Steindachneridion
Steindachneridion
Species
Steindachneridion Punctatum
Steindachneridion punctatum

🐟 Physical Description

Dorsal soft rays (total): 8; Anal soft rays: 9.

🌀 Behaviour

Behavioural data for Steindachneridion Punctatum is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical South America: Upper rio Paraná and rio Uruguay basin, Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
4.2±0.8

📐 Morphometrics

Length–Weight Relationship: W = 0.00589 × L3.1 (TL)
Max TL
69.7cm
Dorsal Rays
8
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
52.00/100
Moderate-High vulnerability
Trophic Level
4.2
Apex / Top predator
Climate Zone
Tropical
Described By
Miranda Ribeiro, 1918

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