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Thicklip Wrasse

Thicklip Wrasse

Hemigymnus melapterus

Quick Facts

Scientific name Hemigymnus melapterus

Other names Blackedge Thicklip Wrasse, Blackeye Thicklip, Half & Half Wrasse, Half & Half Thicklip, Thicklipped Wrasse

Size Up to 60 cm (23.6 in)

Weight Up to 3 kg (6.6 lb)

Distribution

Habitat & AU Distribution Coastal waters, lagoons amongst sandy & rubble areas next to reefs

Depth Range 1 - 40 m (131 ft)

Interesting Info

The thicklip wrasse, is a species of wrasse found in the coastal waters of northern Australia, from Western Australia to Queensland.
Adult thicklip wrasse have distinct coloration, with a greenish-grey body and a large, protruding lower lip that gives them their common name.
They are a carnivorous fish, feeding on a variety of invertebrates, such as crabs, snails, and sea urchins, as well as small fish.
The thicklip wrasse is known for its intelligence and problem-solving abilities. They have been observed using rocks to break open shells and obtain food.
Breeding occurs during the austral winter and spring, with eggs and larvae released into the water column.
Like other wrasse species, the thicklip wrasse is hermaphroditic, meaning it can change its sex during its lifetime. Juvenile thicklip wrasse are typically female, and can transition to male as they mature and become larger.
They are a solitary fish, except during the breeding season when it forms temporary pairs or small groups.
Estimated lifespan is up to 25 years.

Species Interaction

Recreational Fishing, Snorkeling & Diving

The thicklip wrasse are an important species for recreational fishing in northern Australia and are often targeted by anglers for their meat and sporting value. They are an interesting fish to observe in the wild for snorkelers and divers if they can identify them on the reef. Their camouflage and hiding elusiveness can make it challenging.