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Baby Whale Catfish - (Cetopsis coecutiens)

Baby Whale Catfish - (Cetopsis coecutiens)

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Baby Whale Catfish - (Cetopsis coecutiens)
Fish Details, Description and Information Below:

🐟 Baby Whale Catfish – (Cetopsis coecutiens)

The Baby Whale Catfish is a fascinating, small to medium-sized member of the Cetopsidae family, known for its eel-like body and distinctive whale-like head shape. Native to the fast-flowing rivers of South America, this species is a nocturnal scavenger and predator, often feeding on dead or dying fish and small invertebrates. Its unique appearance and interesting behaviors make it a standout for specialized catfish enthusiasts.


🌊 Habitat & Care

🏠 Tank Size: Minimum 50 gallons with good water flow
🌊 Prefers oxygen-rich, well-oxygenated freshwater with moderate current
🪵 Provide plenty of hiding spots with driftwood, rocks, and caves


🍽️ Diet

🍤 Omnivorous scavenger — feeds on detritus, dead fish, insects, and small invertebrates
🐟 May accept sinking pellets and frozen foods


⚖️ Temperament

🐠 Generally peaceful but can be territorial with conspecifics
🚫 Best kept with non-aggressive tankmates


🧠 Behavior & Special Considerations

🌡️ Temperature: 73–79°F (23–26°C)
💧 pH: 6.0–7.0
📏 Size: Up to 8 inches (20 cm)
⚠️ Nocturnal and secretive — best observed during evening hours
🌙 Active mostly at night


📋 At a Glance

🔖 Scientific Name Cetopsis coecutiens
🐟 Common Name Baby Whale Catfish
🌎 Origin South America
📏 Size Up to 8 inches (20 cm)
🌡️ Temperature 73–79°F (23–26°C)
💧 pH Range 6.0–7.0
🐟 Temperament Generally peaceful, territorial
🏠 Tank Size 50+ gallons
🍽️ Diet Omnivorous scavenger

💡 The Baby Whale Catfish is a unique and intriguing species well-suited for aquarists interested in nocturnal scavengers with interesting behaviors and a preference for well-oxygenated, flowing water environments.

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