Lepornius Arcus 4"

Leporinus arcus is a freshwater fish species in the Anostomidae family (the “headstanders”), native to South America, mainly the Amazon and Orinoco river basins.

Quick overview

• Common name: Arcus Leporinus (sometimes sold simply as Leporinus sp.)
• Scientific name: Leporinus arcus
• Family: Anostomidae
• Origin: Amazon–Orinoco drainages
• Adult size: ~25–35 cm (10–14 in)
• Lifespan: 10+ years with proper care

Appearance

• Elongated, torpedo-shaped body
• Typically shows bold dark bands or arcs across a lighter (yellowish to silvery) body
• Like other Leporinus, it may swim at a slight head-down angle

Behavior & temperament

• Semi-aggressive, especially as it matures
• Can be nippy toward tankmates with long fins
• Territorial with its own kind unless kept in a group of 5+ in a very large tank

Aquarium care

• Tank size: Minimum 125–180 gallons for adults
• Water parameters:
  
• Temperature: 24–28 °C (75–82 °F)
• pH: 6.0–7.5
• Moderate to strong filtration and flow
• Diet: Omnivore
  
• High-quality pellets
• Vegetables (zucchini, spinach, peas)
• Occasional protein (shrimp, insects)
• Décor: Driftwood, rocks, open swimming space; hardy plants only (they may chew soft plants)