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💧 Freshwater Least Concern 🌡️ Temperate

Odontesthes Mirinensis

Odontesthes mirinensis Bemvenuti, 1996
Max Length
14.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
16.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Odontesthes Mirinensis (Odontesthes mirinensis), first described by Bemvenuti, 1996 is a small fish in the family Atherinopsidae (order Atheriniformes). Adults typically reach 14.80 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 mirinensis
Authority
Bemvenuti, 1996
Habitat
Freshwater
Climate
Temperate
Body Shape
Elongated
IUCN Status
LC
Max Length
14.8 cm
Trophic Level
3.5
Resilience
High
Vulnerability
16.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Scales in lateral line series over lateral band 47-52; mouth located above a horizontal line crossing the center of pupil and the middle of the head depth; ventral head profile clearly divided into two straight sections, forming an angle at the retroarticular joint; eyes very large, equal to or slightly smaller than snout length; only body scales above midlateral band weakly pigmented along their borders .: elongated.

🌀 Behaviour

Behavioural data for Odontesthes Mirinensis 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: Lagoas Mirim y Dos Patos, Río Grande do Sul.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.5±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.0055 × L3.06 (TL)
Max TL
14.8cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
16.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
Bemvenuti, 1996

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