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💧 Freshwater Least Concern 🌡️ Tropical

Gymnotus Javari

Gymnotus javari Albert, Crampton & Hagedorn, 2003
Max Length
20.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
20.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Facultative air-breathing in the genus ; Collected from the lower reaches of meandering upland (non-floodplain) streams, in undercut banks and submerged vegetation .

Scientific Name
Gymnotus javari
Authority
Albert, Crampton & Hagedorn, 2003
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
20.1 cm
Trophic Level
3.3
Resilience
High
Vulnerability
20.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal soft rays: 180 - 240. Color pattern composed of narrow pale bands (about 1/4 width of dark bands) on anterior half of body, approximately equally narrow dorsally and ventrally, and 5-8 partially divided, often H-shaped dark bands on posterior half of body .

🌀 Behaviour

Behavioural data for Gymnotus Javari 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. Tropical South America: Western Amazon, from the Río Amazonas, the lower portions of the Napo, Javari and Ucayali basins.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00427 × L2.98 (TL)
Max TL
20.1cm
Anal Rays
210

🌡️ 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
20.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Tropical
Described By
Albert, Crampton & Hagedorn, 2003

🗺️ 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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