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💧 Freshwater 🌡️ Tropical

Ageneiosus Akamai

Ageneiosus akamai Daniel & Walsh, 2017
Max Length
17.4 cm
Max Weight
Lifespan
Trophic Level
3.6
Depth
Climate
Tropical
Resilience
High
Vulnerability
27.00/100
Typical Length
Depth Zone
pelagic

📖 Overview

Ageneiosus Akamai (Ageneiosus akamai) is a ray-finned fish of the family Auchenipteridae. It inhabits freshwater waters in pelagic environments. This species can reach a maximum total length of 17.4 cm. With a trophic level of 3.6, it is a mid-level predator.

Scientific Name
Ageneiosus akamai
Authority
Daniel & Walsh, 2017
Habitat
Freshwater
Climate
Tropical
Max Length
17.4 cm
Trophic Level
3.6
Resilience
High
Vulnerability
27.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Anal soft rays: 31 - 37; Vertebrae: 46 - 48. This species can be distinguished by the following set of characters: D I,6; A 31-37; P I,11-13 (mode 12); GR 14-18 (mode 16) on anterolateral margin of first branchial arch; 46-48 total vertebrate; caudal fin deeply forked, with pointed lobes; reduced and ossified gas bladder; and by having epaxial musculature covering the tympanic region. Colouration: dark uniform dorsolateral stripe extending from posterior region of head to caudal-fin base; dark blotch of snout expanded posteriorly on top of head above frontals and nuchal plates; dorsal area of snout almost completely dark; pectoral and pelvic fins hyaline or dark, with many melanophores; anal and caudal fins hyaline and yellowish; dorsal fin often has melanophores concentrated on distal tips of first branched rays .

🌀 Behaviour

Behavioural data for Ageneiosus Akamai is currently being reviewed.

🦐 Diet

Diet information for Ageneiosus Akamai is currently being compiled.

🥚 Reproduction

Reproduction data for Ageneiosus Akamai is currently being compiled.

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical South America: Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.6±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00813 × L3.02 (TL)
Max TL
17.4cm
Anal Rays
34
Vertebrae
47

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
3.6
Predator
Climate Zone
Tropical
Described By
Daniel & Walsh, 2017

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