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💧 Freshwater Near Threatened 🐠 Aquarium 🌡️ Tropical

Acarí-roncador

Rhinelepis aspera Spix & Agassiz, 1829
Max Length
49 cm
Max Weight
2.2 kg
Lifespan
10 yrs
Trophic Level
-
Depth
-
Climate
Tropical
Resilience
Low
Vulnerability
36.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Acarí-roncador (Rhinelepis aspera), first described by Spix & Agassiz, 1829 is a large fish in the family Loricariidae (order Siluriformes). Adults typically reach 49.00 cm in maximum length and up to 2.200 kg. Reported lifespan reaches approximately 10 years. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. On the IUCN Red List, it is classified as Near Threatened.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Loricariidae kept in the hobby.

Scientific Name
Rhinelepis aspera
Authority
Spix & Agassiz, 1829
Habitat
Freshwater
Climate
Tropical
IUCN Status
NT
Max Length
49 cm
Max Weight
2.2 kg
Lifespan
10 years
Resilience
Low
Vulnerability
36.00/100
Migration
Potamodromous
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Acarí-roncador is currently being compiled.

🌀 Behaviour

Behavioural data for Acarí-roncador is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Size at Maturity
28.8cm TL

Determinate spawner. All eggs from a single female are laid in one batch .

🌍 Habitat & Distribution

Freshwater; demersal; potamodromous . Tropical South America: São Francisco and upper Paraná River basins.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Potamodromous

📐 Morphometrics

Length–Weight Relationship: W = 0.01023 × L3.08 (TL)
Max TL
49cm
Max Weight
2,200g

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Near Threatened
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
36.00/100
Moderate vulnerability
Climate Zone
Tropical
Described By
Spix & Agassiz, 1829

🌐 Names & Taxonomy

Language Common Names
🌍CES krunýřovec draslavý
🇵🇹Portuguese Acarí-roncador · Guacari açu

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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