Mesonoemacheilus petrubanarescui - Petru Banarescu's Loach | Indian Native Series

Mesonoemacheilus petrubanarescui - Petru Banarescu's Loach | Indian Native Series
Image credit: Beta Mahatvaraj

Mesonoemacheilus petrubanarescui, also known as Petru Banarescu's Loach, is a beautifully patterned hillstream loach endemic to the freshwater habitats of southern India. This small, energetic bottom-dweller is prized for its unique appearance and adaptability to fast-flowing stream environments.

  • Geographic Spread: Found in the streams and rivers of the Western Ghats, particularly in Kerala and Tamil Nadu. This species inhabits clear, fast-flowing, oxygen-rich waters.
  • Water Conditions:
    • Temperature: 20–26°C
    • pH: 6.5–7.5
    • Hardness: Soft to medium
    • Flow: Thrives in aquariums with strong currents to mimic its natural habitat.
  • Care Needs:
    • Requires a well-oxygenated aquarium with rocky or sandy substrates and smooth stones to graze on biofilm and algae.
    • Peaceful by nature; can be kept in groups or with other small, non-aggressive fish.
    • Diet includes algae, biofilm, sinking wafers, and occasional live or frozen foods like daphnia or bloodworms.
    • Sensitive to water quality; regular water changes and good filtration are crucial.
  • Additional Notes:
    • Grows up to 4–6 cm, making it a perfect candidate for smaller tanks designed to replicate hillstream environments.
    • Its striking black and yellow markings make it visually appealing in aquariums.
    • Active and inquisitive; enjoys exploring crevices and resting on smooth rocks.
    • Prefers cooler water conditions, making it suitable for unheated tanks in temperate regions.

Mesonoemacheilus petrubanarescui is an excellent choice for aquarists looking to create a hillstream biotope. Its small size, unique patterning, and active behavior make it a delightful species to observe in a well-maintained aquarium.

The Weekend Aquarist is pleased to present detailed profiles of various Indian native freshwater fish species, as documented by Beta Mahatvaraj through his platforms.

These profiles aim to provide comprehensive insights into the natural habitats, behaviors, and care requirements of these species, promoting responsible aquarium practices and conservation awareness.