(ALL) Baby Dolphin Fish (Mormyrus longirostris ) [≈2.5 – 3 inches]

Description

Baby Dolphin Fish (Mormyrus longirostris / Freshwater Dolphin )

📌 Basic Info

• Scientific Name: Mormyrus longirostris

• Common Names: Freshwater Dolphin, Eastern Bottle-Nosed Mormyrid, Baby Dolphin Fish

• Family: Mormyridae (Elephantfish Family)

• Order: Osteoglossiformes

• Origin: African freshwater rivers and lakes — Zambezi, Luapula, Niger, Lake Malawi, Lake Tanganyika

• Size: Up to 75 cm (29 in) in the wild; juveniles in aquariums usually 5–15 cm (2–6 in)

• Lifespan: 10 – 15 years

• Tank Zone: Middle to bottom dweller

🌊 Water Parameters

• TDS: 100 – 300 ppm

• pH: 6.5 – 7.5

• Temperature: 24 – 28°C (75 – 82°F)

• Hardness: 5 – 15 dGH

🐟 Characteristics

• Body: Elongated, laterally compressed with a flexible, trunk-like snout.

• Coloration: Silvery-gray to brownish with darker markings along the body; juveniles are more patterned.

• Fins: Rounded dorsal and caudal fins; anal and pectoral fins are elongated.

• Behavior: Mostly peaceful, can be shy; may interact via weak electric signals.

• Nature: Nocturnal to crepuscular; uses electroreception to navigate murky waters.

• Special Feature: Can emit weak electric fields for communication and sensing surroundings.

🍽️ Food

• Type: Carnivorous / Omnivorous

• Diet: Live or frozen foods — worms, insect larvae, small fish, shrimp, and sinking carnivore sticks.

• Feeding Frequency: Once or twice daily; juveniles require frequent feeding.

• Tip: Provide high-protein diet for healthy growth and activity.

🛠️ Maintenance

• Tank Size: Minimum 500 liters (130 gallons) for juveniles; adults require much larger tanks (1000+ liters).

• Filtration: Strong filtration with moderate water flow; sensitive to poor water quality.

• Substrate: Sand or smooth gravel to prevent snout injury.

• Decor: Rocks, driftwood, and hiding caves; provide open swimming space.

• Lighting: Low to moderate; prefers dim areas or shaded zones.

• Water Change: 25–30% weekly for stability and cleanliness.

👥 Social Behavior

• Group Size: Can be kept singly or in small groups; avoid overcrowding.

• Tank Mates: Peaceful, larger fish; avoid tiny fish that can be eaten.

• Avoid: Aggressive cichlids or overly active species.

• Compatibility Note: Sensitive to stress; maintain stable water conditions.

✅ Do’s

• Provide large, spacious tank with open swimming zones.

• Use strong filtration and regular water changes.

• Offer protein-rich foods daily.

• Maintain stable water parameters.

❌ Don’ts

• Don’t keep in small tanks or with overly aggressive fish.

• Avoid sharp décor or substrates that can injure the snout.

• Don’t expose to bright light constantly.

⭐ Quick Tips
The Freshwater Dolphin is a fascinating, peaceful, and highly intelligent fish. Its trunk-like snout and weak electric abilities make it unique among freshwater aquarium species. Ideal for aquarists with large tanks who enjoy unusual, nocturnal, and interactive fish with a long lifespan.