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Venezuelan Corydoras
Corydoras venezuelanus
Animalia›Chordata›Actinopterygii›Callichthyidae
📍 South America
Venezuelan corydoras is similar to the bronze corydoras but displays more orange-red colouration on the pectoral and dorsal fins, especially in males. It is hardy, adaptable, and makes an excellent beginner corydoras.
Care Guide
Diet
Venezuelan corydoras are omnivores that readily accept sinking pellets and wafers as staple foods. Supplement 2-3 times weekly with frozen bloodworms, brine shrimp, or daphnia to promote natural foraging behavior and maintain optimal nutrition. Feed small amounts once daily, removing uneaten food after 2-3 hours to maintain water quality.
Behavior
These peaceful bottom-dwellers are highly social and must be kept in groups of at least 6 individuals to exhibit natural schooling behavior and reduce stress. They spend most of their time sifting through substrate searching for food, aerating the substrate in the process. Males display vibrant orange-red coloration on their fins, especially during breeding season, making them more visually striking than females.
Breeding
Breeding Venezuelan corydoras in captivity is moderately difficult and requires cooler water temperatures (20-22°C) to trigger spawning, along with frequent water changes and abundant live food. Females will lay eggs on plants or tank surfaces after the male fertilizes them; remove eggs or parents to a separate breeding tank to prevent predation. Fry are small and require infusoria or liquid fry food for the first week before accepting microworms or newly hatched brine shrimp.
Tank Mates
Similar water parameters and peaceful temperament; occupy mid-water column without competing for bottom space
Peaceful algae eaters that share bottom habitat; compatible water requirements and non-aggressive behavior
Peaceful schooling fish with identical water parameter needs; active mid-water swimmers that don't interfere with corydoras
Peaceful and compatible with corydoras; prefers slightly warmer water but tolerates the 23-28°C range
Peaceful invertebrates that occupy similar bottom zones; help maintain substrate cleanliness alongside corydoras
Peaceful detritivores that complement corydoras' cleaning behavior without competing for food
Common Diseases
Ich (Ichthyophthirius multifiliis)
White spots on body and fins, rapid breathing, lethargy, rubbing against objects
Raise water temperature to 28-30°C gradually, perform daily 25% water changes, use aquarium salt (1 teaspoon per 5 gallons) or commercial ich treatment; treat for 10-14 days
Fin Rot
Frayed or deteriorating fin edges, discoloration at fin bases, progressive fin loss
Improve water quality with frequent water changes, remove sharp decorations, treat with antibacterial medication or salt baths; ensure adequate aeration and maintain temperature at 24-26°C
Barbel Erosion
Shortened, blunt, or missing barbels; difficulty foraging on substrate
Provide soft substrate (sand preferred over gravel), improve water quality and nutrition, reduce stress, use vitamin-enriched foods; condition usually irreversible but prevents further damage
Bacterial Infection
Open sores, red streaks on body, cloudy eyes, lethargy, loss of appetite
Perform 50% water change immediately, treat with broad-spectrum antibiotic medication, maintain optimal water parameters, isolate severely affected individuals in quarantine tank
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Quick Facts
- diet
- Omnivore – sinking wafers, pellets, bloodworms
- lifespan
- 8–10 years
- max size
- 6.5 cm (2.6 in)
- tank size
- 20 gallons minimum
- school size
- 6+
- temperament
- Peaceful, schooling
Water it likes
- ph
- 6.0–8.0
- ammonia
- 0 ppm
- nitrate
- <20 ppm
- hardness
- 2–20 dGH
- temperature
- 73–82°F (23–28°C)