Pagwi Rainbowfish
Available now
Pagwi Rainbowfish (Melanotaenia "Pagwi")
The Pagwi Rainbowfish is what happens when color, motion, and attitude collide. As they mature, males light up the aquarium with electric flashes and nonstop displays, turning every water change, feeding, or passing shadow into an excuse to show off. A healthy shoal moves through the tank like living neon, constantly shifting, sparring, and stealing the spotlight.
These fish were bred right here in Southwest Florida by Eddie Ahlquist, bringing true hobbyist-bred quality to every fish we offer. Raised with care and selected for health and vigor, these are the kind of rainbowfish that remind you why the hobby becomes an obsession.
At Uncle Joe's Fish Shed, our Pagwi Rainbowfish are sourced directly from Eddie's breeding program, conditioned for success, and released only in limited drops.
Living neon: Brilliant colors that intensify as they mature
Natural showboats: Constant flashing, displaying, and social interaction
Locally bred: Raised in Southwest Florida by Eddie Ahlquist
Premium stock: Healthy, hobbyist-bred fish offered in limited availability
Rare, energetic, and impossible to ignore, Pagwi Rainbowfish don't just live in an aquarium, they command it.
🔥 SWFL Bred🔥 Eddie Ahlquist Raised🔥 Limited Shed Drops🔥 Rainbowfish Royalty
Bring home a shoal before these streaks of living color disappear back into the wilds of the Fish Shed. 🐟🌈
🌎 Conservation Status: Least Concern (LC)
🐟 Origin: Pagwi region of the Sepik River system, Papua New Guinea. The Pagwi form is a geographic variant of Melanotaenia affinis prized by rainbowfish enthusiasts for its striking coloration and unique locality characteristics.
Species Care
💧 Water
Temp: 74–80°F pH: 6.5–7.5 GH: 6–12 KH: 3–8
Clean, oxygen‑rich water keeps color sharp and activity high. Stability matters more than chasing exact numbers.
🏡 Tank
40g+ recommended for a proper group Keep 8+ to spread energy and prevent nipping Open swimming lanes with plants/hardscape pushed to the edges Moderate flow + strong filtration to keep them moving
🍽️ Food
High‑quality flakes or micro‑pellets Frozen/live: brine shrimp, daphnia, bloodworms Offer small portions 2–3× daily Color and stamina improve with a varied diet
🧬 Behavior
Fast, active schoolers Semi‑boisterous but not aggressive when kept in groups Great with other quick, confident fish Avoid slow or long‑fin species that can’t keep pace
🐣 Breeding
Egg scatterers Use marbles, spawning mops, or dense plants Cooler water changes + heavy feeding help trigger spawning Remove adults if you want fry survival