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💧 Freshwater Least Concern 🌡️ Tropical

Skunk corydoras

Corydoras arcuatus Elwin, 1938
Max Length
4.8 cm
Max Weight
Lifespan
Trophic Level
2.9
Depth
Climate
Tropical
Resilience
Medium
Vulnerability
10.00/100
Typical Length
Depth Zone
demersal

📖 Overview

Skunk corydoras (Corydoras arcuatus) is a ray-finned fish of the family Callichthyidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 4.8 cm. With a trophic level of 2.9, 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
Corydoras arcuatus
Authority
Elwin, 1938
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
4.8 cm
Trophic Level
2.9
Resilience
Medium
Vulnerability
10.00/100
Water Temp
22–26 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Skunk corydoras is currently being compiled.

🌀 Behaviour

Behavioural data for Skunk corydoras is currently being reviewed.

🦐 Diet

Diet information for Skunk corydoras is currently being compiled.

🥚 Reproduction

Fecundity
2–4eggs

The female holds 2-4 eggs between her pelvic fins, where the male fertilizes them for about 30 seconds. Only then the female swims to a suitable spot, where she attaches the very sticky eggs. The pair repeats this process until about 100 eggs have been fertilized and attached .

🌍 Habitat & Distribution

Freshwater; demersal; pH range: 6.0 - 8.0; dH range: 2 - 25. Tropical; 22°C - 26°C South America: Upper Amazon River basin.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2.9±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.14 (TL)
Max TL
4.8cm

🌡️ Water Parameters & Tolerance

Temperature Range
22–26°C
pH Range
6–8
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Elwin, 1938

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 4 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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