Lembeh Strait

Lembeh Strait

Indonesia · Molucca Sea
OVERVIEW

Why dive in Lembeh Strait?

Lembeh Strait is globally renowned as the "muck diving capital of the world" and a macro photographer's paradise, famous for its unique and rare marine life. Beneath its dark volcanic sands and rubble sites, divers can encounter an extraordinary array of creatures like frogfish, mimic octopuses, flamboyant cuttlefish, and diverse nudibranchs. The protected nature of the strait typically offers calm waters, making it ideal for slow, detailed exploration and uncovering hidden wonders.

WATER TEMPERATURE -
VISIBILITY -
CURRENT STRENGTHLight  –  Moderate

BEST SEASON

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LOCAL MARINE LIFE IN LEMBEH STRAIT

Featured Animals 8

SIGHTING PROBABILITY
  • Unlikely
  • Likely
  • Very likely
Denise's pygmy seahorseFrequent sightings

Denise's pygmy seahorse

Hippocampus denise

Denise's pygmy seahorse is a diminutive species, rarely exceeding 2.4 cm in length, renowned for its exceptional camouflage within gorgonian corals. Its body coloration, typically yellow or orange with subtle patterns, and textured skin allow it to perfectly mimic its host seafan's polyps and stems. These seahorses are specialized predators, feeding on tiny crustaceans and zooplankton, and are often found alone or in pairs clinging to their coral hosts.


BEST SEASON
Jan
Mar
May
Jul
Sep
Nov
Flamboyant CuttlefishFrequent sightings

Flamboyant Cuttlefish

Metasepia pfefferi

This small cephalopod is known as the Flamboyant Cuttlefish due to its striking and rapid color changes. It primarily "walks" along the seafloor using its arms and fins rather than swimming, owing to a small internal cuttlebone. Metasepia pfefferi is also one of the few known venomous cephalopods, displaying its vibrant colors as a warning to predators.


BEST SEASON
Jan
Mar
May
Jul
Sep
Nov
Mimic OctopusFrequent sightings

Mimic Octopus

Thaumoctopus mimicus

The Mimic Octopus (Thaumoctopus mimicus) is an extraordinary cephalopod renowned for its ability to impersonate a variety of other marine animals, including lionfish, sea snakes, and flatfish, to deter predators and ambush prey. It inhabits shallow, muddy, or sandy seafloors, particularly in river mouths and estuaries across the Indo-Pacific. This highly intelligent octopus can reach up to 60 cm in length and exhibits a base coloration of brown with white stripes, which it rapidly alters using chromatophores.


BEST SEASON
Jan
Mar
May
Jul
Sep
Nov
Peacock Mantis ShrimpFrequent sightings

Peacock Mantis Shrimp

Odontodactylus scyllarus

The Peacock Mantis Shrimp is a striking marine crustacean known for its vibrant colors and one of the fastest attacks in the animal kingdom. It uses its club-shaped raptorial appendages to deliver incredibly powerful blows, smashing the shells of mollusks and crustaceans.


BEST SEASON
Jan
Mar
May
Jul
Sep
Nov
Pygmy SeahorseFrequent sightings

Pygmy Seahorse

Hippocampus bargibanti

The Pygmy Seahorse (Hippocampus bargibanti), is one of the smallest seahorse species, rarely exceeding 2.8 cm in length. It is a master of camouflage, perfectly mimicking the color and texture of the Muricella gorgonian corals it exclusively inhabits, making it incredibly difficult to spot. These seahorses feed on tiny planktonic organisms using their elongated snout.


BEST SEASON
Jan
Mar
May
Jul
Sep
Nov
Warty FrogfishFrequent sightings

Warty Frogfish

Antennarius maculatus

The Warty Frogfish (Antennarius maculatus) is a small, camouflaged ambush predator found in Indo-Pacific coral and rocky reefs. Its skin is covered in wart-like protuberances, allowing it to blend seamlessly with its environment of sponges, corals, and algae. It uses a modified dorsal spine, called an illicium, with a fleshy lure to attract small fish and crustaceans, which it engulfs with remarkable speed.


BEST SEASON
Jan
Mar
May
Jul
Sep
Nov
Weedy ScorpionfishFrequent sightings

Weedy Scorpionfish

Rhinopias frondosa

The Weedy Scorpionfish (Rhinopias frondosa) is a marine ray-finned fish known for its exceptional camouflage, with a highly compressed body covered in weed-like tentacles and skin flaps that vary in color. It is an ambush predator, primarily nocturnal, feeding on fish and small invertebrates. This species rarely swims, preferring to crawl along the seabed using its fins, often swaying to mimic algae or debris.


BEST SEASON
Jan
Mar
May
Jul
Sep
Nov
Wunderpus OctopusFrequent sightings

Wunderpus Octopus

Wunderpus photogenicus

The Wunderpus octopus (Wunderpus photogenicus) is a small, striking cephalopod known for its distinct white and rusty-brown coloration with unique patterns across its body. It possesses long, slender arms and eyes set on elongated stalks, often mimicking venomous sea snakes or lionfish to deter predators. This species primarily inhabits shallow, soft-sediment environments in the Indo-Malayan Archipelago, emerging at dusk and dawn to hunt small fish and crustaceans.


BEST SEASON
Jan
Mar
May
Jul
Sep
Nov
ALSO IN Lembeh Strait

More marine life 61

LOCATION

Where is Lembeh Strait

Molucca Sea · Indonesia