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💧 Freshwater Least Concern 🌡️ Temperate

Odontesthes Humensis

Odontesthes humensis de Buen, 1953
Max Length
35 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
29.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Odontesthes Humensis (Odontesthes humensis), first described by de Buen, 1953 is a medium-sized fish in the family Atherinopsidae (order Atheriniformes). Adults typically reach 35.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Temperate waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Odontesthes humensis
Authority
de Buen, 1953
Habitat
Freshwater
Climate
Temperate
Body Shape
Elongated
IUCN Status
LC
Max Length
35 cm
Trophic Level
3.6
Resilience
High
Vulnerability
29.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Scales in the lateral line series above the lateral band 52-60; and predorsal scales 28-35 .: elongated.

🌀 Behaviour

Behavioural data for Odontesthes Humensis 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. Temperate South America: Río Negro, Río Uruguay, Río de la Plata, Lagoa Mirim and Lagoa dos Patos system, Uruguay, Argentina, southern Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.6±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00708 × L3.09 (TL)
Max TL
35cm

🌡️ 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
29.00/100
Low vulnerability
Trophic Level
3.6
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
de Buen, 1953

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