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💧 Freshwater Data Deficient 🌡️ Tropical

Rhadinoloricaria Macromystax

Rhadinoloricaria macromystax Günther, 1869
Max Length
14.2 cm
Max Weight
-
Lifespan
-
Trophic Level
2.5
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
33.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Rhadinoloricaria Macromystax (Rhadinoloricaria macromystax), first described by Günther, 1869 is a small fish. Adults typically reach 14.20 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Data Deficient.

Scientific Name
Rhadinoloricaria macromystax
Authority
Günther, 1869
Habitat
Freshwater
Climate
Tropical
IUCN Status
DD
Max Length
14.2 cm
Trophic Level
2.5
Resilience
Medium
Vulnerability
33.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Rhadinoloricaria
Rhadinoloricaria
Species
Rhadinoloricaria Macromystax
Rhadinoloricaria macromystax

🐟 Physical Description

This species is distinguished from R. stewari by the following characters: snout shape is wider and more projected with snout length 14.6-15.1% SL (vs. 11.3-13.3% SL); with shorter caudal peduncle, its postanal length 45.2-46.1% SL (vs. 48.9-50.8% SL); the dorsal-fin is closer to caudal-fin, its postdorsal length 54.3% SL (vs. 57.5-59.0% SL); abdomen totally covered with plates, loosely connected in examined specimen (vs. abdomen partially or totally covered with plate) .Cross section: flattened.

🌀 Behaviour

Behavioural data for Rhadinoloricaria Macromystax is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical South America: Peru and Ecuador.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2.5±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.00398 × L3.11 (TL)
Max TL
14.2cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2014

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
33.00/100
Low vulnerability
Trophic Level
2.5
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Günther, 1869

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