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💧 Freshwater 🌡️ Subtropical

Titanolebias Calvinoi

Titanolebias calvinoi AlonsoTeránSerra AlanísWaldbilligMontesBugeauBarneche et al., 2025
Max Length
10 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Titanolebias Calvinoi (Titanolebias calvinoi), first described by AlonsoTeránSerra AlanísWaldbilligMontesBugeauBarneche et al., 2025 is a small fish. Adults typically reach 10.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Subtropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.

Scientific Name
Titanolebias calvinoi
Authority
AlonsoTeránSerra AlanísWaldbilligMontesBugeauBarneche et al., 2025
Habitat
Freshwater
Climate
Subtropical
Body Shape
Elongated
Max Length
10 cm
Trophic Level
3.3
Resilience
High
Vulnerability
10.00/100
Migration
Non-migratory
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Titanolebias
Titanolebias
Species
Titanolebias Calvinoi
Titanolebias calvinoi

🐟 Physical Description

Dorsal soft rays (total): 15 - 21; Anal soft rays: 20 - 24. This species is distinguished by the following set of characters: 5 pelvic-fin rays; 70-85 scales in the longitudinal series; 34 vertebrae; black and white intercalated blotches in the posterior portion of the dorsal fin; white iridescent spots on the basal portion of the anal and caudal fins; brownish-grey to greenish-grey flanks with iridescent whitish spots .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Titanolebias Calvinoi 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; non-migratory. Subtropical South America: Argentina.

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Non-migratory
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00603 × L3.14 (TL)
Max TL
10cm
Dorsal Rays
18
Anal Rays
22

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
AlonsoTeránSerra AlanísWaldbilligMontesBugeauBarneche et al., 2025

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