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💧 Freshwater Least Concern 🌡️ Tropical

Leptodoras Praelongus

Leptodoras praelongus Myers & Weitzman, 1956
Max Length
18.5 cm
Max Weight
Lifespan
Trophic Level
2.8
Depth
Climate
Tropical
Resilience
High
Vulnerability
24.00/100
Typical Length
Depth Zone
demersal

📖 Overview

Leptodoras Praelongus (Leptodoras praelongus) is a ray-finned fish of the family Doradidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 18.5 cm. With a trophic level of 2.8, it is an omnivore, consuming both plant and animal matter. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Leptodoras praelongus
Authority
Myers & Weitzman, 1956
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
18.5 cm
Trophic Level
2.8
Resilience
High
Vulnerability
24.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 1; Dorsal soft rays (total): 6; Anal soft rays: 14 - 15. Shallow midlateral plates covering less than or equal to 1/4 body depth. Anterior nuchal plate usually of moderate width (longer than wide) permitting weak to firm suture between supraoccipital and middle nuchal plate. Also differs from all species of Leptodoras except L. copei by possessing a distal tip of lower labial extension extending beyond that of upper labial extension .: elongated.

🌀 Behaviour

Behavioural data for Leptodoras Praelongus is currently being reviewed.

🦐 Diet

Diet information for Leptodoras Praelongus is currently being compiled.

🥚 Reproduction

Reproduction data for Leptodoras Praelongus is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal. Tropical South America: Orinoco, Negro, Tocantins, Amazon, Madeira and Casiquiare river basins.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2.8±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.0138 × L3 (TL)
Max TL
18.5cm
Dorsal Spines
1
Dorsal Rays
6
Anal Rays
15

🌡️ 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
24.00/100
Low vulnerability
Trophic Level
2.8
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Myers & Weitzman, 1956

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