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💧 Freshwater Data Deficient 🌡️ Tropical

Apteronotus Acidops

Apteronotus acidops Triques, 2011
Max Length
32.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
17.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Apteronotus Acidops (Apteronotus acidops) is a ray-finned fish of the family Apteronotidae. It inhabits freshwater waters. This species can reach a maximum total length of 32.1 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 acidops
Authority
Triques, 2011
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
32.1 cm
Trophic Level
3.3
Vulnerability
17.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Anal soft rays: 162 - 220. Distinguished from other congeners by the following combination of characters: dorsal snout profile pointed; snout length 46.4 - 63.7 % of head length; oculo-nasal distance 39.2-72.1 % of postocular distance; lateral ethmoid with both dorsal and ventral extremities expanded, strongly oblique in orientation; mouth rictus surpassing vertical through anterior eye margin, including its skin folds, in all ages; dorsal head profile nearly horizontal from a vertical through anus to posterior extremity of occipital bone; absence of mid-dorsal white or clear stripe on head and body anteriorly; chin brown; upper lip clear to a vertical through anterior nostril; transversal unpigmented bar or bars posteriorly on the body absent; flanks brown, darker dorsally and pectoral fin hyaline, with chromatophores over rays .: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Apteronotus Acidops 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: Upper rio Paraná basin in Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00347 × L3.06 (TL)
Max TL
32.1cm
Anal Rays
191

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2018

📊 Population Risk & Fisheries

Fishing Vulnerability
17.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Triques, 2011

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