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💧 Freshwater 🌡️ Tropical

Scleronema Teiniagua

Scleronema teiniagua Ferrer & Malabarba, 2020
Max Length
4.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Occurs in rivers and streams but has not been collected with its congeners. Stomachs of two specimens contained immature aquatic Diptera (Chironomidae and Simuliidae) and Ephemeroptera .

Scientific Name
Scleronema teiniagua
Authority
Ferrer & Malabarba, 2020
Habitat
Freshwater
Climate
Tropical
Max Length
4.5 cm
Trophic Level
3.1
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Scleronema
Scleronema
Species
Scleronema Teiniagua
Scleronema teiniagua

🐟 Physical Description

Dorsal soft rays (total): 8 - 10; Anal soft rays: 6; Vertebrae: 34 - 35. This species is distinguished from all its congeners by the remarkable reduction in the laterosensory system lacking the pores s1, s2, s3 and s6 in the supraorbital line and pore i10 in the infraorbital line (vs. presence of, at least, pore i10) and the lower number of pterygiophores of dorsal fin 8 (vs. 9-14) .Cross section: oval.

🌀 Behaviour

Behavioural data for Scleronema Teiniagua 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: endemic to the drainage of the río Cuareím (Uruguay), a tributary to the left bank of lower rio Uruguay.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00759 × L3 (TL)
Max TL
4.5cm
Dorsal Rays
9
Anal Rays
6
Vertebrae
35

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Climate Zone
Tropical
Described By
Ferrer & Malabarba, 2020

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