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💧 Freshwater Data Deficient 🌡️ Tropical

Apteronotus Pemon

Apteronotus pemon de Santana & Vari, 2013
Max Length
20.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Apteronotus Pemon (Apteronotus pemon) is a ray-finned fish of the family Apteronotidae. It inhabits freshwater waters. This species can reach a maximum total length of 20.6 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Apteronotus pemon
Authority
de Santana & Vari, 2013
Habitat
Freshwater
Climate
Tropical
IUCN Status
DD
Max Length
20.6 cm
Trophic Level
3.3
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Anal soft rays: 152 - 160; Vertebrae: 63 - 82. This species can be distinguished from its congeners by the following set of characters: A 152-160; P 16; C 18-20; precaudal vertebrate 18-19; total vertebrae 63-82; 5th infraorbital present as a tubular laterosensory canal segment; interobital distance 9.7-14.6% of HL; number of scales along the lateral line 74-83; ossified lateral ethmoid; number of scales above the lateral line at the midbody 9-10; mouth length 30-44.5% of HL; tail length 13.0-17.5% of LEA; tail depth 9.9-15.4% of CL; ocular diameter 4.0-6.3% of HL. Colouration: body and head brown; distinct, broad, light coloured longitudinal band extending from chin along dorsal midline of head and body to beginning of dorsal filament; pectoral- and anal-fin rays dark brown with translucent interradial membranes; light band encircling base of caudal fin; caudal fin pale at base, dark brown posteriorly .Cross section: compressed.

🌀 Behaviour

Behavioural data for Apteronotus Pemon 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: Venezuela.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00347 × L3.06 (TL)
Max TL
20.6cm
Anal Rays
156
Vertebrae
73

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2017

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Tropical
Described By
de Santana & Vari, 2013

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