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10 Best Aquarium Snails for Your Planted Tank

10 Best Aquarium Snails for Your Planted Tank

Aquarium snails are more than just tank inhabitants; they are the unsung heroes of the planted aquarium. These fascinating gastropods provide essential services, from keeping glass surfaces clear of algae to aerating your substrate. When selecting sn...
10 Vibrant Freshwater Shrimp for Your Planted Nano Aquarium

10 Vibrant Freshwater Shrimp for Your Planted Nano Aquarium

Freshwater shrimp are the unsung heroes of the planted aquarium hobby. Beyond their stunning colors and patterns, these tiny crustaceans are excellent at cleaning up algae and leftover food. For nano aquarium enthusiasts, shrimp offer a fascinating l...
13 Easy Aquarium Plants for a Thriving Beginner Planted Tank

13 Easy Aquarium Plants for a Thriving Beginner Planted Tank

Starting a planted aquarium can seem daunting, but it doesn't have to be! Many beautiful and beneficial freshwater plants thrive with minimal effort, making them ideal for beginners. Adding live plants not only enhances the aesthetic appeal of y...
12 Colorful & Compatible Freshwater Fish for Your Community Aquarium

12 Colorful & Compatible Freshwater Fish for Your Community Aquarium

Creating a vibrant and harmonious freshwater aquarium is a rewarding experience. The key lies in selecting fish that not only dazzle with their colors but also coexist peacefully in a community setting. This guide introduces you to some of the most s...

Aquascaping Contest Schedule 2026

Summer Flowers - Cliff Hui / HongKong China
Cliff Hui

Summer Flowers - Cliff Hui / HongKong China

The International Aquatic Plants Layout Contest - 2014
Rain Forest (Hear the Angels) - Cliff Hui / HongKong China
Cliff Hui

Rain Forest (Hear the Angels) - Cliff Hui / HongKong China

The International Aquatic Plants Layout Contest - 2012
Forever - Cliff Hui / HongKong China
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Forever - Cliff Hui / HongKong China

The International Aquatic Plants Layout Contest - 2013

Aquarium Library

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13 Easy Aquarium Plants for a Thriving Beginner Planted Tank

Starting a planted aquarium can seem daunting, but it doesn't have to be! Many beautiful and be...

12 Colorful & Compatible Freshwater Fish for Your Community Aquarium

Creating a vibrant and harmonious freshwater aquarium is a rewarding experience. The key lies in sel...

"REFLECTION" - When the weight becomes silence: Decoding the top 4 MASTERPIECE at KIAC 2025

Amidst the "earthquake" named Vietnam at KIAC 2025, the work "Reflection" by Aquascaper Long Tran Ho...

KIAC 2025 RESULTS: A record-breaking season - Vietnam dominates with 14 works in the global top 50

The organizers of the Korea International Aquascaping Contest (KIAC) 2025 have officially released t...

AGA 2025 Results Announced: Indonesia Wins Big, USA Dominates Dutch Category

The 25th AGA International Aquascaping Contest – one of the oldest and most prestigious competitio...

ITAC International Aquascaping Contest 2025 Final result

Early this morning, the global aquascaping community turned its eyes toward Italy as the organizers ...
Cliff Hui

Cliff Hui

Hong Kong / China
Dave Chow

Dave Chow

HongKong China
Megalomphodus roseus (Golden Phantom Tetra)

Overview

The Golden Phantom Tetra is a charming, active, and peaceful freshwater fish belonging to the Characidae family. Often identified by its distinct black shoulder patch, it is a favorite among aquarists looking to add subtle color and schooling behavior to their planted tanks.

Image of golden phantom tetra megalomphodus roseus

Distribution and Habitat

Native to the slow-moving, shaded forest streams and tributaries of South America, particularly in the Guianas and parts of the Amazon basin. They inhabit waters tinted with tannins from decaying leaves, branches, and submerged roots.

Description of Golden Phantom Tetra

Body shape:

Deep-bodied and laterally compressed, typical of many phantom tetras, giving them a slightly diamond-like profile.

Color:

A translucent, silvery-gold body with a prominent, large black spot behind the gill cover (shoulder). The base of the tail features a distinctive red or rosy patch.

Barbels:

None.

Snout:

Short and blunt, featuring a small, terminal mouth adapted for mid-water feeding.

Eyes:

Relatively large with a dark pupil and a silvery, highly reflective iris that helps them navigate dimly lit waters.

Fins:

Transparent to slightly yellowish. The dorsal fin is tall, especially in males, and may have a dark edge or white tip.

The Tail:

The caudal fin is deeply forked, translucent, and accented by a striking red flush at the peduncle.

Temper

Peaceful and somewhat timid if kept in too small of a group or with boisterous tank mates.

Sociality

Highly gregarious. They are a schooling species that must be kept in groups of at least 6 to 8 individuals to feel secure and display their best colors.

Activity

Diurnal and highly active, they spend most of their time darting around the middle to lower levels of the water column.

Keeping and Caring for Golden Phantom Tetra

Tank size:

A minimum of 60 liters (15 gallons) is recommended to provide adequate swimming space for a school.

Water Parameters:

Temperature

22-27°C (72-81°F).

pH

6.0-7.5, preferring slightly acidic conditions.

Hardness

Soft to moderately hard water, ideally between 2-12 dGH.

Ammonia, Nitrite, Nitrate

Ammonia and Nitrite must be strictly 0 ppm. Nitrates should be kept below 20 ppm through regular water changes.

Lighting

Subdued to moderate lighting is preferred to mimic their shaded natural environment. Floating plants can help diffuse light.

Water flow

Gentle to moderate water flow. They do not appreciate overly turbulent currents.

Decorations and Plants

A heavily planted tank with dark substrate, driftwood, and leaf litter (like Indian Almond leaves) creates an ideal, naturalistic environment.

Diet

Omnivorous. In the wild, they feed on small insects, worms, and crustaceans. In captivity, they readily accept high-quality flakes, micro-pellets, and frozen or live foods like daphnia, brine shrimp, and bloodworms.

Some Feeding Tips

Feed small amounts 1-2 times daily, only what they can consume in a few minutes. Variety is key to maintaining their vibrant colors and immune system.

Breeding

Egg scatterers. Breeding requires a separate, dimly lit breeding tank with soft, acidic water and fine-leaved plants or a spawning mop. After the morning spawning, adults must be removed immediately to prevent them from eating the eggs. The fry hatch in 24-36 hours and require infusoria once free-swimming.

Conclusion

The Golden Phantom Tetra is a hardy, visually appealing, and peaceful addition to any soft-water community aquarium. Their lively schooling behavior and unique coloration make them a rewarding species for both beginner and experienced aquarists alike.

Fish info

  • Care level: Easy
  • Temperament: Peaceful
  • Adult size: 3-4 cm
  • Life expectancy: 3-5 years
  • Fish type: Tetra
  • Temperature : 22-27°C
  • pH: 6.0-7.5
  • Color Form: Black, Clear, Gold, Red, Silver
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