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Pygmy rainbowfish

Melanotaenia pygmaea

Pygmy rainbowfish© FishBase (CC BY-NC)

The Pygmy rainbowfish (Melanotaenia pygmaea) is a tiny, brightly colored freshwater fish prized in the aquarium trade. It inhabits shallow, vegetated streams and is not a typical sport fish, but can be caught by anglers using ultra‑light tactics. Though not sought after for food, it offers a fun challenge for ultra‑light anglers.

Fight
Taste
Inedible/Protected

Basic Information

Family

Melanotaeniidae

Max Size

5.5 cm

Habitat

freshwater

Depth Range

0-1m

Climate

tropical

Best Season

Spring to early summer (breeding period)

Best Time

Early morning or late afternoon

Distribution

No distribution map available

Fishing Tips for Pygmy rainbowfish

  • Use the lightest possible gear (ultra‑light rod and 2‑4 lb line)
  • Target shallow, vegetated sections of slow‑moving streams
  • Present live micro‑bait such as mosquito larvae near the surface
  • Retrieve slowly or let the bait drift to let the tiny fish take the offer

Market Prices

Recommended Fishing Equipment for Pygmy rainbowfish

Recommended Equipment

RodUltra‑light spinning rod, 4‑5 ft, fast action
Line2‑4 lb test monofilament or 0.2‑0.4 mm fluorocarbon
Lure TypeMicro jigs, tiny soft plastics, or miniature spinnerbaits
TechniqueSurface float or gentle bobber fishing with micro bait

Best bait: Live mosquito larvae or tiny daphnia