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Diadromous Least Concern 🌡️ Subtropical

Odontesthes Incisa

Odontesthes incisa Jenyns, 1841
Max Length
10 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
10.00/100
Typical Length
10 cm
Depth Zone
demersal

📖 Overview

Odontesthes Incisa (Odontesthes incisa), first described by Jenyns, 1841 is a small fish in the family Atherinopsidae (order Atheriniformes). Adults typically reach 10.00 cm in maximum length. It is diadromous, migrating between freshwater and marine environments during its life cycle. It occurs in Subtropical 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 incisa
Authority
Jenyns, 1841
Habitat
Diadromous
Climate
Subtropical
Body Shape
Elongated
IUCN Status
LC
Max Length
10 cm
Trophic Level
3.4
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 8 - 10; Anal spines: 1; Anal soft rays: 17 - 19. : elongated.

🌀 Behaviour

Behavioural data for Odontesthes Incisa is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal. Subtropical Southwest Atlantic: Argentina, Uruguay and southern Brazil.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
3.4±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.0055 × L3.06 (TL)
Max TL
10cm
Dorsal Spines
7
Dorsal Rays
9
Anal Spines
1
Anal Rays
18

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Jenyns, 1841

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Atherina incisa Jenyns 1841 Synonym
Austroatherina incisa Jenyns 1841 Synonym
Austromenidia incisa Jenyns 1841 Synonym
Menidia uruguayensis Devincenzi 1924 Synonym
Sorgentinia incisa Jenyns 1841 Synonym
Tupa incisa Jenyns 1841 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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