The common name for Halichoeres marginatus is “Dusky Wrasse”. Other common names include “Splendid Rainbow Wrasse” and “Two-eyed Wrasse”.

Appearance & Behavior:
The Dusky Wrasse ( Halichoeres marginatus) is a captivating marine fish. Males exhibit vibrant coloration, often displaying a predominantly dusky blue body with a sunny yellow undertone on the anterior half, jewel-like red and orange hues, and a stunning green crescent-pattern at the base of the caudal fin. Females and juveniles tend to have more muted, darker coloration, with juveniles being black with longitudinal white stripes. This species is an active forager, constantly sifting through sand and rocks in search of food. They are known for their ability to burrow into the sand for sleeping at night or when startled. They are generally peaceful but can become semi-aggressive and territorial as they grow.

Care Level:
The Dusky Wrasse is considered to have an average to difficult care level, making it suitable for intermediate aquarists. They are generally peaceful but can be territorial towards similar species or smaller, more passive tankmates as adults. They are compatible with other peaceful wrasses, especially if introduced simultaneously. This species is typically considered reef-safe with caution; while they generally won’t harm corals, they are opportunistic feeders that may consume desirable invertebrates like shrimp, crabs, fanworms, and snails. They are highly effective at controlling nuisance flatworms and pyramidellid snails, which are pests to corals and clams.

Tank Essentials:
A well-established saltwater aquarium of at least 284 litres (75 gallons) is recommended for the Dusky Wrasse, with some sources suggesting up to 500-800 litres (132-211 gallons) for larger specimens. The tank should feature plenty of live rock for foraging and hiding spots, along with a fine sandy substrate at least 5-7.5 cm (2-3 inches) deep for burrowing. A tight-fitting lid is essential as they are known jumpers. Water parameters should be: pH 8.1-8.4, temperature 23-27°C (72-78°F), and specific gravity 1.020-1.025.

Diet:
The Dusky Wrasse is carnivorous and a constant forager. Their diet should consist of a variety of meaty frozen foods such as vitamin-enriched mysis shrimp, brine shrimp, krill, and finely chopped seafood. They will also accept high-quality flake or pellet foods. Frequent small feedings throughout the day are ideal to support their active foraging nature.

Why Buy From Us:
We ensure responsible sourcing and humane shipping for every Halichoeres marginatus, delivering healthy aquarium fish directly to your door. Our rigorous quarantine protocols guarantee robust specimens, ready to thrive in your aquatic environment. You can confidently buy Dusky Wrasse online from us, knowing you’re receiving a vibrant, well-acclimated addition.

Scientific Name: Halichoeres marginatus
Common Name / Variant: Dusky Wrasse
Maximum Size: 18 cm
Origin: Indo-Pacific (Red Sea to Hawaiian/Tuamoto Islands)
pH Range: 8.1–8.4
Temperature: 23–27°C
Lifespan: [data unavailable]
Swimming Zone: Mid/Bottom (burrows)

Add a captivating Dusky Wrasse to your reef aquarium today!

Dusky Wrasse: A Vibrant Reef Forager!

Unleash the natural beauty and active foraging behaviour of the Dusky Wrasse in your marine aquarium. This stunning wrasse adds dynamic colour and movement.

Overview
The Dusky Wrasse (Halichoeres marginatus) is a visually striking marine fish, with males displaying a beautiful blend of dusky blue, vibrant yellow, red, and orange, accentuated by a green crescent on the tail. Juveniles and females exhibit more subdued, yet charming, dark and white-striped patterns. This active species constantly sifts through your substrate, adding lively energy and natural pest control to your tank.

Care Level
Considered an intermediate-level fish, the Dusky Wrasse is generally peaceful but can become territorial with age or towards very small, timid tankmates. They are largely reef-safe, but their natural diet means they may opportunistically consume ornamental invertebrates like snails, crabs, and shrimp. They are highly valued for their ability to control nuisance flatworms and pyramidellid snails.

Tank Essentials
A minimum 284-litre (75-gallon) well-established saltwater aquarium is required, featuring ample live rock for exploration and a fine sand bed at least 5-7.5 cm deep for burrowing at night or when startled. Good water quality is paramount. Ensure your tank has a tight-fitting lid, as these wrasses are known to jump.

Diet
As carnivores and active foragers, Dusky Wrasses thrive on a varied diet of meaty frozen foods. Offer vitamin-enriched mysis shrimp, brine shrimp, krill, and finely chopped seafood. Supplement with high-quality marine flakes or pellets. Multiple small feedings throughout the day will best support their energetic foraging habits.

Why Buy From Us
We ensure responsible sourcing and humane shipping for every Halichoeres marginatus, delivering healthy aquarium fish directly to your door. Our rigorous quarantine protocols guarantee robust specimens, ready to thrive in your aquatic environment. You can confidently buy Dusky Wrasse online from us, knowing you’re receiving a vibrant, well-acclimated addition.

Scientific Name: Halichoeres marginatus
Common Name / Variant: Dusky Wrasse
Maximum Size: 18 cm
Origin: Indo-Pacific (Red Sea to Hawaiian/Tuamoto Islands)
pH Range: 8.1–8.4
Temperature: 23–27°C
Lifespan: [data unavailable]
Swimming Zone: Mid/Bottom

Add a captivating Dusky Wrasse to your reef aquarium today!

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