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💧 Freshwater Least Concern 🌡️ Tropical

Otothyropsis Piribebuy

Otothyropsis piribebuy Calegari, Lehmann A. & Reis, 2011
Max Length
2.9 cm
Max Weight
-
Lifespan
-
Trophic Level
2.5
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Otothyropsis Piribebuy (Otothyropsis piribebuy), first described by Calegari, Lehmann A. & Reis, 2011 is a tiny fish. Adults typically reach 2.90 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.

Scientific Name
Otothyropsis piribebuy
Authority
Calegari, Lehmann A. & Reis, 2011
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
2.9 cm
Trophic Level
2.5
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Otothyropsis
Otothyropsis
Species
Otothyropsis Piribebuy
Otothyropsis piribebuy

🐟 Physical Description

Dorsal spines (total): 2; Dorsal soft rays (total): 7; Anal soft rays: 6; Vertebrae: 26 - 27. Distinguished from other species of the genus by having the following characters: middle series of lateral plates truncated two plates before the caudal fin; inner margin of the pectoral-fin spine smooth, with no serrae; distal margin of the accessory flange of the first ceratobranchial pointed; mid-dorsal lateral series with 17-18 plates and continuous; abdomen usually with unplated areas anteriorly in adults; and males with preanal length 63.0-66.8% HL and 19-20 middle lateral plates .: elongated.

🌀 Behaviour

Behavioural data for Otothyropsis Piribebuy 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: Río Piribebuy and río Aguaray, rio Paraguay basin in Paraguay.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2.5±0.1

📐 Morphometrics

Length–Weight Relationship: W = 0.00977 × L3.06 (TL)
Max TL
2.9cm
Dorsal Spines
2
Dorsal Rays
7
Anal Rays
6
Vertebrae
27

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2021

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.5
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Calegari, Lehmann A. & Reis, 2011

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