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💧 Freshwater 🌡️ Tropical

Psalidodon Pessalii

Psalidodon pessalii Teixeira, Salvador, Mirande & Lima, 2025
Max Length
5.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
11.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Psalidodon Pessalii (Psalidodon pessalii), first described by Teixeira, Salvador, Mirande & Lima, 2025 is a small fish. Adults typically reach 5.20 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.

Scientific Name
Psalidodon pessalii
Authority
Teixeira, Salvador, Mirande & Lima, 2025
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
Max Length
5.2 cm
Trophic Level
3
Resilience
High
Vulnerability
11.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Psalidodon
Psalidodon
Species
Psalidodon Pessalii
Psalidodon pessalii

🐟 Physical Description

Dorsal soft rays (total): 8 - 9; Anal soft rays: 12 - 16. : fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Psalidodon Pessalii is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical South America: Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01349 × L3.09 (TL)
Max TL
5.2cm
Dorsal Rays
9
Anal Rays
14

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
11.00/100
Low vulnerability
Trophic Level
3
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Teixeira, Salvador, Mirande & Lima, 2025

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