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💧 Freshwater 🌡️ Tropical

Eigenmannia Macuxi

Eigenmannia macuxi Dutra, Peixoto, Donin, de Santana & Menezes, 2024
Max Length
13.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Eigenmannia Macuxi (Eigenmannia macuxi) is a ray-finned fish of the family Sternopygidae. It inhabits freshwater waters. This species can reach a maximum total length of 13.2 cm. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Eigenmannia macuxi
Authority
Dutra, Peixoto, Donin, de Santana & Menezes, 2024
Habitat
Freshwater
Climate
Tropical
Max Length
13.2 cm
Trophic Level
3.1
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Anal soft rays: 166 - 219. This species is distinguished from all its congeners by the following set of characters: lateral line stripe extending from first perforated lateral line scale to the distal portion of caudal filament; with superior midlateral stripe with origin posterior to end of body cavity; anal-fin hyaline; caudal filament corresponding to 15.2-43.1% LEA; mouth subterminal; pectoral-fin rays ii,14-16; A 166-219; scale rows above lateral line at vertical through posterior tip of pectoral fin 10-13; lateral line scales 100-128; premaxillary teeth 22-28; dentary teeth 19-23; endopterygoid teeth 7-10; depth of posterodorsal expansion on infraorbitals 1 + 2 half as long as infraorbitals 1 + 2 length; basibranchial 1 unossified; precaudal vertebrae 13; length of coronomeckelian bone corresponding to 20% of Meckel's cartilage length .Cross section: compressed.

🌀 Behaviour

Behavioural data for Eigenmannia Macuxi 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: Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.1±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00355 × L2.97 (TL)
Max TL
13.2cm
Anal Rays
193

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Climate Zone
Tropical
Described By
Dutra, Peixoto, Donin, de Santana & Menezes, 2024

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