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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Pterodoras Rivasi

Pterodoras rivasi Yépez, 1950
Max Length
55 cm
Max Weight
-
Lifespan
-
Trophic Level
2.7
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
50.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Pterodoras Rivasi (Pterodoras rivasi), first described by Yépez, 1950 is a large fish in the family Doradidae (order Siluriformes). Adults typically reach 55.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Doradidae kept in the hobby.

Scientific Name
Pterodoras rivasi
Authority
Yépez, 1950
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
55 cm
Trophic Level
2.7
Resilience
Medium
Vulnerability
50.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Pterodoras Rivasi is currently being compiled.

🌀 Behaviour

Behavioural data for Pterodoras Rivasi is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical South America: Orinoco River basin.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2.7±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01479 × L2.99 (TL)
Max TL
55cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
50.00/100
Moderate-High vulnerability
Trophic Level
2.7
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Yépez, 1950

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Apuredoras rivasi Fernández-Yépez 1950 Synonym
Pterodoras angeli Fernández-Yépez 1968 Synonym
Sachsdoras apurensis Fernández-Yépez 1968 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 6 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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