Metal Head Green Guppy - Male (Poecilia reticulata)

The Metal Head Green Guppy (Poecilia reticulata) is a fancy guppy strain prized for its shimmering metallic green head that melts into a patterned, flowing tail. This listing is for male guppies, the brightly colored sex, so a group delivers nonstop color without the constant fry of a mixed tank. Hardy, peaceful, and endlessly active, they are one of the best beginner fish you can keep.

Browse the rest of our freshwater fish and other freshwater livestock to build out a colorful community tank.

Care Guide

Guppies are about as easy as aquarium fish get, but a few simple steps keep them at their colorful best.

• Tank size. A 10 gallon or larger tank suits a small group of males. More space means more swimming room and steadier water quality.
• Water. Guppies love hard, slightly alkaline water at pH 7.0 to 8.0 and 72 to 82°F. Mineral-rich water keeps them healthy and brightly colored.
• Diet. Omnivore. Feed a quality flake or micro pellet as a staple and supplement with frozen brine shrimp, daphnia, and a little algae or vegetable matter. A varied diet deepens their color.
• Group of males. Keep several males together so no single fish is singled out by the others. An all-male group gives you the color of guppies without the population explosion of breeding.
• Stable, cycled tank. They are hardy but still appreciate a fully cycled tank and regular water changes. A lid helps, since guppies can be jumpy.

Specifications

Compatibility

• A peaceful community fish. Pairs well with small tetras, rasboras, Corydoras, Otocinclus, peaceful livebearers, and nerite or other Georgia-legal snails.
• Keeping a group of males together spreads out any chasing so no single fish is harassed.
• Avoid fin-nippers such as tiger barbs, and skip any large or aggressive tankmates that might eat a small guppy.

Recommended Foods & Supplies

• Ocean Nutrition Brine Shrimp Plus Flake as a colorful staple
• Seachem NutriDiet Chlorella Flakes for added color and gut health
• SFBB Freeze Dried Mysis Shrimp as a protein-rich treat
• Seachem Prime Complete to condition every water change
• Mix in more color with our Full Gold Guppy and White Tux Guppy

Frequently Asked Questions

Are these all males?
Yes. This listing is for male guppies, the sex that carries the bright color and flowing fins. An all-male tank also avoids constant breeding.

How many should I keep?
They do best in small groups. Keeping several males together spreads out any chasing and looks fantastic in a planted tank.

What water do they like?
Hard, slightly alkaline water at pH 7.0 to 8.0 and 72 to 82°F. They thrive in mineral-rich water.

Are they good for beginners?
Absolutely. Guppies are among the hardiest and most colorful fish for a first community tank.