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💧 Freshwater 🌡️ Subtropical

Otothyropsis Dialeukos

Otothyropsis dialeukos Calegari, Morlis & Reis, 2017
Max Length
3.6 cm
Max Weight
-
Lifespan
-
Trophic Level
2.3
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
11.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Otothyropsis Dialeukos (Otothyropsis dialeukos), first described by Calegari, Morlis & Reis, 2017 is a tiny fish. Adults typically reach 3.60 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Subtropical waters. It feeds primarily on plankton, plant material, and detritus.

Scientific Name
Otothyropsis dialeukos
Authority
Calegari, Morlis & Reis, 2017
Habitat
Freshwater
Climate
Subtropical
Body Shape
Elongated
Max Length
3.6 cm
Trophic Level
2.3
Resilience
High
Vulnerability
11.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Otothyropsis
Otothyropsis
Species
Otothyropsis Dialeukos
Otothyropsis dialeukos

🐟 Physical Description

Dorsal spines (total): 2; Dorsal soft rays (total): 7; Anal soft rays: 6; Vertebrae: 28. : elongated.

🌀 Behaviour

Behavioural data for Otothyropsis Dialeukos is currently being reviewed.

🦐 Diet

algae
aquatic plants
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Subtropical South America: Arroyo Itá, a tributary to the Embalse de Acaray, upper Río Paraná basin in Paraguay.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2.3±0.1

📐 Morphometrics

Length–Weight Relationship: W = 0.00977 × L3.06 (TL)
Max TL
3.6cm
Dorsal Spines
2
Dorsal Rays
7
Anal Rays
6
Vertebrae
28

🌡️ 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
2.3
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Calegari, Morlis & Reis, 2017

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