New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater Least Concern 🌡️ Subtropical

Crenicichla Yaha

Crenicichla yaha Casciotta, Almirón & Gómez, 2006
Max Length
14.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
22.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Overview information for Crenicichla Yaha is currently being compiled by our editorial team.

Scientific Name
Crenicichla yaha
Authority
Casciotta, Almirón & Gómez, 2006
Habitat
Freshwater
Climate
Subtropical
Body Shape
Elongated
IUCN Status
LC
Max Length
14.6 cm
Trophic Level
3.3
Resilience
High
Vulnerability
22.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 20 - 22; Dorsal soft rays (total): 10 - 11; Anal spines: 3; Anal soft rays: 7 - 8; Vertebrae: 35. Diagnosed from other congeners by the following combination of characters: posterior border of preopercle serrated; scales in E1 row 48-51; isognathous jaws or slightly prognathous upper jaw; suborbital stripe present; flanks with five or six dark rectangular blotches just below the upper lateral line along dorsal-fin base; and vertical stripes absent .: elongated.

🌀 Behaviour

Behavioural data for Crenicichla Yaha is currently being reviewed.

🦐 Diet

Diet information for Crenicichla Yaha is currently being compiled.

🥚 Reproduction

Reproduction data for Crenicichla Yaha is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Subtropical South America: Arroyo Urugua-í and río Iguazú basins in Argentina.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.11 (TL)
Max TL
14.6cm
Dorsal Spines
21
Dorsal Rays
11
Anal Spines
3
Anal Rays
8
Vertebrae
35

🌡️ 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
22.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Casciotta, Almirón & Gómez, 2006

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Crenicichla Yaha ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.