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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Sixray corydoras

Aspidoras pauciradiatus Weitzman & Nijssen, 1970
Max Length
2.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Sixray corydoras (Aspidoras pauciradiatus), first described by Weitzman & Nijssen, 1970 is a tiny fish in the family Callichthyidae (order Siluriformes). Adults typically reach 2.90 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. The species schools in loose to tight aggregations. On the IUCN Red List, it is classified as Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Callichthyidae kept in the hobby.

Scientific Name
Aspidoras pauciradiatus
Authority
Weitzman & Nijssen, 1970
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
2.9 cm
Trophic Level
3
Resilience
High
Vulnerability
10.00/100
Water Temp
22–25 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Sixray corydoras is currently being compiled.

🌀 Behaviour

Behavioural data for Sixray corydoras 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; pH range: 6.0 - 7.2; dH range: ? - 12. Tropical; 22°C - 25°C South America: Upper Araguaia River basin in Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3±0.3
🐠 Schooling

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.14 (TL)
Max TL
2.9cm

🌡️ Water Parameters & Tolerance

Temperature Range
22–25°C
pH Range
6–7.2
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3
Predator
Climate Zone
Tropical
Described By
Weitzman & Nijssen, 1970

🌐 Names & Taxonomy

Language Common Names
🇵🇹Portuguese Aspiradora · Cascudinho · Corredora

Scientific Synonyms

Scientific Name Author Year Status
Corydoras pauciradiatus Weitzman & Nijssen 1970 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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