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💧 Freshwater Near Threatened 🌡️ Tropical

Psalidodon Uaiso

Psalidodon uaiso Carvalho & Langeani, 2013
Max Length
5.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
11.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Occurs in school, occasionally solitary, at average depth of one meter. Forms school mainly in open areas, devoid of vegetation (Cyperaceae, mainly). Feeds mainly on aquatic insects (apparently Diptera larvae), followed by algae, vegetal matter, Acari, and Thecamoebina .

Scientific Name
Psalidodon uaiso
Authority
Carvalho & Langeani, 2013
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
NT
Max Length
5.3 cm
Trophic Level
3
Resilience
High
Vulnerability
11.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Psalidodon
Psalidodon
Species
Psalidodon Uaiso
Psalidodon uaiso

🐟 Physical Description

Dorsal soft rays (total): 9 - 10; Anal soft rays: 15 - 20. This species is diagnosed from its congeners by the short anal fin with 12-17 branched rays, and dorsal fin with ii,7-8 rays. It can be also distinguished by having i,5-6 rays on the pelvic fin, and its color pattern of the eyes in life, slightly blue on the lower half and blackish on the upper half. It can be diagnosed by having the following combination of characters: a conspicuous black humeral spot; one or rarely two maxillary teeth with up to seven cusps; and adipose fin present .: fusiform / normal.

🌀 Behaviour

Behavioural data for Psalidodon Uaiso is currently being reviewed.

🦐 Diet

Diet information for Psalidodon Uaiso is currently being compiled.

🥚 Reproduction

Reproduction data for Psalidodon Uaiso is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic, usually 1 - ? m . Tropical South America: Rio Uberaba, rio Grande drainage, upper rio Paraná basin in Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3±0.3
🐠 Schooling 🧍 Solitary
Food Items

aquatic insects (apparently Diptera larvae), followed by algae, vegetal matter, Acari, and Thecamoeb

📐 Morphometrics

Length–Weight Relationship: W = 0.01349 × L3.09 (TL)
Max TL
5.3cm
Dorsal Rays
10
Anal Rays
18

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Near Threatened
Assessment Date
2018

📊 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
Carvalho & Langeani, 2013

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