Spiny eel

Peacock Spiny Eel (Macrognathus siamensis)
The Peacock Spiny Eel is a slender, eel-like freshwater fish known for its distinctive eye-like spots along the body. It is a peaceful but shy species that enjoys burrowing and requires a secure, well-structured aquarium.

Quick Facts:

• Origin: Southeast Asia (Thailand, Cambodia, Vietnam)
• Family: Mastacembelidae
• Adult Size: Up to 25–30 cm
• Lifespan: 8–12 years
• Temperament: Peaceful, shy (may eat very small fish)
• School Size: Usually kept singly or in small groups if tank is large
• Tank Level: Bottom-dweller, burrower
• Diet: Carnivore – worms, frozen/live foods, sinking meaty pellets
• Water Temperature: 24–28 °C
• pH Range: 6.5–7.5
• Water Hardness: Soft to moderately hard
• Tank Setup: Fine sand (essential for burrowing), tight-fitting lid, hiding spots
• Compatibility: Peaceful medium fish; avoid tiny tankmates
• Care Level: Moderate (escape-prone, needs proper substrate)