Half Black Blue Guppy (Poecilia reticulata) – Tank Bred

Species Overview

The Half Black Blue Guppy is a striking selectively bred guppy variety known for its rich blue coloration and dramatic half-black body pattern. Mature males display an elegant contrast between the darker rear portion of the body and vibrant blue finnage, creating a refined appearance that stands out in both planted aquariums and dedicated guppy colonies.

Unlike heavily patterned guppy strains, the Half Black Blue Guppy derives much of its beauty from contrast and simplicity. The combination of clean lines, deep coloration, and flowing fins creates a sophisticated look that appeals to both beginner and experienced guppy enthusiasts. Males display the most intense coloration, while females exhibit a more subtle appearance and are essential for hobbyists interested in breeding projects.

Half Black Blue Guppies are active, peaceful, and highly adaptable community fish. Their constant movement adds activity to the aquarium, while their peaceful temperament allows them to coexist with a wide variety of compatible species. They are particularly effective at bringing color and movement to planted aquariums without overwhelming the overall aquascape.

Whether you are building a colorful community aquarium, creating a guppy-focused display, or establishing a breeding colony, the Half Black Blue Guppy is an excellent choice for hobbyists seeking beauty, personality, and ease of care.

What We Love About This Fish

• Stunning contrast between deep blue coloration and half-black body pattern

• Peaceful temperament and excellent community compatibility

• Easy to care for and beginner friendly

• Available as males, females, or breeding pairs

Quick Care Guide

Care Level: Easy

Temperament: Peaceful

Diet: Omnivore (Flakes, Pellets, Algae-Based Foods, Frozen Foods, Live Foods)

Adult Size: Males approximately 1.25–1.75 inches, females approximately 1.75–2.5 inches

Minimum Tank Size: 10 Gallons

Swimming Zone: Middle to Upper Water Column

Social Behavior: Best kept in groups

Origin: Tank Bred

Approximate Purchase Size: 0.75–1.25 Inches

 

Tank Parameters

Temperature: 72°–82°F (22°–28°C)

pH: 7.0–8.2

General Hardness (GH): 8–20 dGH (140–350 ppm)

Carbonate Hardness (KH): 4–12 dKH

Total Dissolved Solids (TDS): 180–400 ppm

Minimum Aquarium Size: 10 Gallons

Recommended Group Size: 4+ Guppies

Swimming Zone: Middle to Upper Water Column

Water Flow: Low to Moderate

Experience Level: Beginner Friendly