Moonlight Gourami Identification Guide

Key identification features

• Smooth, plain silvery pale-green to blue-green body with a satiny sheen and no obvious spots, bars, or stripes
• Bright orange-red, thread-like pelvic fin filaments that stand out sharply against the pale body
• Males have an elongated, pointed dorsal fin, often with an orange-tinted edge; females show a shorter, rounded dorsal fin
• Deep, laterally compressed body reaching roughly 5-6 inches
• Eyes often show a coppery or reddish tint that stands out against the pale head
• Overall unmarked appearance is the fish's most distinctive trait among gouramis

Common look-alikes

• Pearl gourami: covered in pearly white spangling with a bold dark lateral stripe, both absent in the Moonlight Gourami
• Blue (three spot) gourami: retains two distinct dark spots on the body, which the unmarked Moonlight Gourami lacks

Where you'll see one

Moonlight gouramis live in slow, vegetated rivers, canals, and seasonally flooded plains of the Mekong and Chao Phraya river basins across Thailand, Laos, Cambodia, and Vietnam, typically near dense stands of aquatic plants.