Common name: Broadclub Cuttlefish

Scientific name: Ascarosepion latimanus (Quoy & Gaimard, 1832)
Cuttlefish (Ascarosepion latimanus), Flores IndonesiaBroadclub Cuttlefish (Ascarosepion latimanus), Padang Bai, Bali, Indonesia
Broadclub Cuttlefish (Ascarosepion latimanus)Broadclub Cuttlefish

General Information

The Broadclub Cuttlefish, scientifically known as Ascarosepion latimanus (formerly Sepia latimanus), is a fascinating cephalopod that captivates both marine enthusiasts and scientists alike. Known for its remarkable ability to change color and texture, this species is a master of camouflage, making it a unique and intriguing addition to large, specialized aquariums. Native to the Indo-Pacific region, the Broadclub Cuttlefish is often spotted in coral reefs and sandy substrates, where it displays its mesmerizing displays of color and pattern changes.

In the realm of marine hobbyists and public aquariums, the Broadclub Cuttlefish serves as an educational marvel, showcasing the wonders of cephalopod intelligence and adaptability. Its ability to interact with its environment and exhibit complex behaviors makes it a favorite among aquarists who can meet its demanding care requirements.

Details

Estimated price
Expensive
Recommended minimum tank volume
500 liter (130 gallons)
Salinity
S.G. 1.024 to 1.026
Temperature
24 to 26 °C (75 to 79 °F)
Acidity
pH 8 to 8.4
Average size
50 cm (1′8″)
Care level
Difficult Requires stable water conditions and a spacious tank
Diet
Carnivore Feeds on small fish and crustaceans; live or frozen options are ideal
Reefsafe
Yes
Aggression
Semi aggresive Solitary and territorial; best kept alone
Captive bred
Yes Captive breeding programs are in progress

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Mollusks
    Mollusca
  3. Class
    Cephalopods
    Cephalopoda
  4. Order
    Cuttlefish
    Sepiida
  5. Family
    Cuttlefish
    Sepiidae
  6. Genus
    Flamboyant Cuttlefish
    Ascarosepion Rochebrune, 1884
  7. Species
    Broadclub Cuttlefish
    Ascarosepion latimanus (Quoy & Gaimard, 1832)
  8. Synonyms
    Ponderisepia eclogaria Iredale, 1926
    Ponderisepia ecologaria Iredale, 1926
    Sepia harmeri Robson, 1928
    Sepia hercules Pilsbry, 1895
    Sepia latimanus Quoy & Gaimard, 1832
    Sepia mozambica Rochebrune, 1884
    Sepia rappiana Férussac, 1834
  9. Source: GBIF | Global Biodiversity Information Facility

Care

Caring for the Broadclub Cuttlefish requires a commitment to maintaining a stable and enriched environment. These cephalopods prefer spacious tanks with plenty of room to explore and display their natural behaviors. A tank with ample live rock and sandy substrates will mimic their natural habitat, providing them with opportunities for camouflage and hunting.

Lighting should be subdued to replicate their natural environment, and water parameters must be kept stable to ensure their health. Regular monitoring of water quality is crucial, as cuttlefish are sensitive to changes in their environment.

Diet and Feeding

Broadclub Cuttlefish are carnivorous predators, primarily feeding on small fish and crustaceans in the wild. In captivity, they should be offered a diet of live or frozen foods such as shrimp, crabs, and small fish. Feeding should occur daily, with portions adjusted based on the cuttlefish's size and activity level.

Providing a varied diet is essential to meet their nutritional needs and stimulate natural hunting behaviors. Observing their feeding can be a highlight for aquarists, as these intelligent creatures often display remarkable hunting strategies.

Behavior and Compatibility

The Broadclub Cuttlefish is known for its solitary and somewhat territorial nature. While they are not aggressive towards humans, they may show aggression towards other cuttlefish or similar species if kept in close proximity. Therefore, it is advisable to house them individually unless the tank is exceptionally large.

Their ability to change color and texture is not only a defensive mechanism but also a form of communication. They are generally peaceful towards other non-cuttlefish tank mates, provided there is enough space.

Symbiosis

While the Broadclub Cuttlefish does not engage in symbiotic relationships like clownfish and anemones, its interactions with its environment are nonetheless fascinating. Its camouflage abilities allow it to blend seamlessly into its surroundings, avoiding predators and ambushing prey.

Health and Common Issues

With proper care, Broadclub Cuttlefish can thrive in captivity, although their lifespan is relatively short, averaging 1-2 years. Ensuring a stable environment and a proper diet is crucial to their health.

When selecting a Broadclub Cuttlefish, look for individuals that are active and responsive. Signs of good health include a smooth skin texture and a willingness to interact with their environment.

Common health issues include stress from poor water quality or inadequate diet. Regular tank maintenance and a varied diet can help prevent these problems.

Habitat

In the wild, Broadclub Cuttlefish are found in the warm, tropical waters of the Indo-Pacific region. They inhabit coral reefs, seagrass beds, and sandy substrates, where they utilize their camouflage skills to ambush prey and avoid predators.

To replicate their natural habitat in captivity, aquarists should provide a tank with plenty of live rock and sandy areas, along with stable water conditions and moderate water flow.