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💧 Freshwater Least Concern 🌡️ Tropical

Sternarchella Calhamazon

Sternarchella calhamazon Lundberg, Coz Fernandes, Campos da Paz & Sullivan, 2013
Max Length
18.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Sternarchella Calhamazon (Sternarchella calhamazon) is a ray-finned fish of the family Apteronotidae. It inhabits freshwater waters. This species can reach a maximum total length of 18.5 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Sternarchella calhamazon
Authority
Lundberg, Coz Fernandes, Campos da Paz & Sullivan, 2013
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
18.5 cm
Trophic Level
3.3
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Anal soft rays: 147 - 165; Vertebrae: 77 - 79. This species is distinguished from its congeners by the following characters: presence of a flat posterior dorsal surface of the basihyal (vs. ridge); with 12 or fewer teeth on pharyngobranchial (vs. 14); a small body cavity usually with less than 14 pre-caudal vertebrae present (vs. 14); without a crown of thorny projections present at border of parietals and supraoccipital (vs. present in patriciae, orthos) (shared with duccis, orinoco, rex, raptor, schotti, sima); with a deep caudal peduncle, 27-42% HL (vs. 15-21% HL) . : elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Sternarchella Calhamazon is currently being reviewed.

🦐 Diet

Diet information for Sternarchella Calhamazon is currently being compiled.

🥚 Reproduction

Reproduction data for Sternarchella Calhamazon is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical South America: Brazilian and Peruvian Amazon.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00347 × L3.06 (TL)
Max TL
18.5cm
Anal Rays
156
Vertebrae
78

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Lundberg, Coz Fernandes, Campos da Paz & Sullivan, 2013

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