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💧 Freshwater Least Concern 🌡️ Tropical

Knodus Geryi

Knodus geryi Lima, Britski & Machado, 2004
Max Length
6.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Inhabits small river with transparent waters, very channeled and relatively deep (> 2 m deep in some points), having both rapids and waterfalls . Feeds on vegetal matter and insects .

Scientific Name
Knodus geryi
Authority
Lima, Britski & Machado, 2004
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
6.5 cm
Trophic Level
3.2
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 10; Anal soft rays: 18 - 20; Vertebrae: 38 - 39. Differs from all congeners and from all remaining characid fishes by having two symmetric, large dark blotches basally on caudal fin lobes .

🌀 Behaviour

Behavioural data for Knodus Geryi is currently being reviewed.

🦐 Diet

Diet information for Knodus Geryi is currently being compiled.

🥚 Reproduction

Reproduction data for Knodus Geryi is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical South America: rio do Peixe in the upper rio Paraguay basin, Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.4
Food Items

vegetal matter and insects (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00794 × L3.07 (TL)
Max TL
6.5cm
Dorsal Rays
10
Anal Rays
19
Vertebrae
39

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Lima, Britski & Machado, 2004

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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