Fish Active at night

Laced Moray

Gymnothorax favagineus

iNaturalist Wikipedia

The Laced Moray is the stunning 'leopard' of the ocean, draped in a high-contrast honeycomb pattern that provides perfect camouflage among the shadows of the reef. This majestic, nocturnal predator is a cornerstone of Indo-Pacific marine ecosystems, captivating observers with its size and serpentine elegance.

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Quick Identification

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Size

Length of 1.5–3 metres (5–10 feet); weight can exceed 30 kg (66 lbs)

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Colors

White to creamy-yellow base covered in a high-contrast 'laced' or 'honeycomb' pattern of black or dark brown polygonal spots

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Key Features

Distinctive black honeycomb-like spots on a white or yellow body
Blunt, rounded snout with large, visible nostrils
Massive, powerful jaws often seen gaping
Dorsal fin starts near the head and runs the length of the body

When You’ll See Them

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Activity pattern Active at night

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Peak hours 8 PM - 4 AM

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Season Year-round

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Diet Carnivorous; primarily hunts small reef fish, octopuses, and various crustaceans using a 'second set' of pharyngeal jaws to pull prey down its throat.

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Habitat Tropical coral reefs, rocky crevices, lagoons, and seaward slopes up to 50 metres deep.

Behavior

The Laced Moray is a largely sedentary predator that spends much of its daylight hours tucked into the crevices and caves of coral reefs. While its habit of constantly opening and closing its mouth may look threatening to human observers, this is actually a respiratory necessity, as the eel must pump water over its gills to breathe. They are generally solitary creatures, though they are occasionally seen sharing a large crevice with other morays or even cleaner shrimp, which provide a vital service by removing parasites from the eel's skin and mouth.

As nocturnal hunters, Laced Morays become much more active after sunset. They rely on an incredibly keen sense of smell rather than sight to locate prey in the dark. Despite their formidable size and sharp teeth, they are not naturally aggressive toward humans and will typically retreat if approached. However, they are highly territorial regarding their chosen crevice and can deliver a powerful, infectious bite if they feel cornered or if a diver mistakenly offers a hand near their lair.

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Camera Tips

Capturing a Laced Moray on a 'backyard' reef camera requires specialized underwater housing and a focus on stable mounting. Since these eels are sedentary, the best strategy is to position your camera near a known 'cleaning station' or a deep crevice in the reef framework. Ensure the camera is secured with weighted mounts or marine-grade clamps to prevent it from being moved by currents or curious marine life. Use a wide-angle lens, as these eels can be quite large and you will likely be filming in close quarters.

Because the Laced Moray is most active after dark, lighting is your biggest challenge. Standard white lights can spook the eel or attract unwanted swarms of tiny crustaceans that obscure the view. Instead, utilize infrared or low-intensity red LED lighting, which is less visible to the eel and allows you to capture its natural hunting behavior without causing distress. Set your camera's motion trigger to a high sensitivity, as the slow, serpentine movement of an eel exiting a cave can sometimes fail to trigger less sensitive sensors.

To attract a Laced Moray to a specific frame, you can use scent rather than physical bait. A perforated PVC tube filled with mashed sardines or fish oil, placed just out of the camera's view, will release a 'scent trail' that the eel's sensitive nostrils will follow. This encourages the eel to emerge from its crevice and explore the area in front of your lens. Avoid using loose bait, as this can trigger a feeding frenzy from smaller fish that may hide the eel from view or even damage your equipment.

Similar Species

Species that look similar or are commonly confused with Laced Moray.

Giant Moray

Much larger and heavier with a brownish-grey body and a characteristic large dark spot at the gill opening.

Blackspotted Moray

Features smaller, more rounded black spots that are more widely spaced than the tight polygons of the Laced Moray.

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Frequently Asked Questions

Laced Moray eels are primarily nocturnal, meaning they are most active at night. During the day, they usually remain hidden in reef crevices, while they emerge after sunset to hunt using their advanced sense of smell.

You can attract them using scent rather than direct feeding. Placing a mesh bag or perforated tube with oily fish near your camera setup will release a scent trail that the eel can follow into your camera's field of view.

They are carnivorous predators that eat a variety of reef fish, octopuses, and crustaceans. They are famous for having a second set of jaws in their throat, called pharyngeal jaws, which help them swallow large prey.

They are common in tropical coastal areas with healthy coral or rocky reef systems. While you won't find them in sandy backyard canals, they are frequent residents of reef-adjacent properties in places like Northern Australia or the Maldives.

The Laced Moray has a distinct, high-contrast black-on-white/yellow honeycomb pattern over its entire body. In contrast, the Giant Moray is usually brownish with small black specks and a large dark blotch specifically around the gill opening.

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