Monti Bug-Eating Wrasse Halichoeres Marginatus

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Monti Bug-Eating Wrasse (Halichoeres marginatus)

Overview

The Monti Bug-Eating Wrasse, also known as the Dusky or Margined Wrasse, is a colorful and highly active reef-safe species prized for its natural pest control abilities. With its shimmering green and blue scales and distinctive facial markings, this Wrasse adds both beauty and utility to reef aquariums by preying on nuisance invertebrates like flatworms and pyramid snails.

Origin

Native to the Indo-Pacific region, including the Red Sea, Maldives, and Indonesia, Halichoeres marginatus inhabits coral reef slopes and sandy lagoons, where it forages among rock and coral rubble.

Feeding

An omnivore that thrives on a diet of frozen mysis, brine shrimp, finely chopped seafood, and high-quality marine pellets. It will also naturally graze on small invertebrates and pests found in the aquarium. Feed 2–3 times daily.

Tank Mates

Peaceful and reef-safe with most species, including tangs, gobies, anthias, and other small Wrasses. Avoid large or overly aggressive fish that may intimidate or outcompete it.

Aggression

Generally peaceful, though it may show mild territorial behavior toward similar species. Provide a fine sand bed for burrowing and plenty of live rock for foraging and shelter.

Experience Level

Recommended for intermediate aquarists. Hardy and adaptable when introduced to a mature reef system with stable water parameters and live rock.

Water Parameters

• Temperature: 75°F – 82°F (24°C – 28°C)

• Salinity: 1.020 – 1.025 SG

• pH: 8.1 – 8.4

• Alkalinity: 8 – 12 dKH

Attractive, hardy, and beneficial, the Monti Bug-Eating Wrasse is an excellent addition to reef aquariums, helping maintain a healthy environment while showcasing vivid coloration and lively behavior.

Above images for illustration purposes only. Exact colours, patterns, and size may vary between individuals.

Please note: The livestock that is sold on our online site is not held in store at our Swell shop, or available for collection from the shop. Species sold at our Swell store will differ from ones available to order to your door.

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