Common name: Leopard Sea Cucumber

Scientific name: Holothuria pardalis Selenka, 1867
A large sea cucumber, Bohadschia argus, is found on the sand and rubble seafloor in Palau. This echinoderm can eject sticky, toxic tubules out of its anus that deter predators.Underwater marine life close up of leopard sea cucumber skin, Bohadschia argus, Pacific ocean, French polynesia
Leopard sea cucumbersea cucumber

General information

The Leopard Sea Cucumber, scientifically known as Holothuria pardalis, is a striking and beneficial member of the sea cucumber family. It is characterized by its elongated body and distinctive leopard-like spots, which provide excellent camouflage against the reef substrate. This species is known for its role in maintaining the cleanliness and balance of the reef ecosystem by consuming detritus and other organic matter.

Details

Recommended minimum tank volume
200 liter (53 gallons)
Salinity
S.G. 1.022 to 1.025
Temperature
22 to 26 °C (72 to 79 °F)
Acidity
pH 8.1 to 8.4
Average size
30 cm (1′)
Care level
Moderate to easy Needs fine substrate for feeding.
Diet
Detritivore Consumes detritus and leftover food.
Reefsafe
Yes
Aggression
Peaceful
Captive bred
No

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Echinoderms
    Echinodermata
  3. Class
    Sea Cucumbers
    Holothuroidea
  4. Order
    Sea Cucumbers
    Aspidochirotida
  5. Family
    Sea Cucumbers
    Holothuriidae
  6. Genus
    Sea Cucumber
    Holothuria
  7. Species
    Leopard Sea Cucumber
    Holothuria pardalis Selenka, 1867
  8. Synonyms
    Holothuria peregrina Ludwig, 1875
    Holothuria tenuicornis Helfer, 1913
    Lessonothuria pardalis (Selenka, 1867)

Care

In the aquarium, Holothuria pardalis requires a spacious tank with a deep sand bed and plenty of live rock to mimic its natural habitat. It is a detritivore, feeding on leftover food and organic waste, which helps to keep the tank clean. Care should be taken to ensure that the sea cucumber is not exposed to high levels of nitrates or other pollutants, as it is sensitive to water quality.

Reproduction

Reproduction in Holothuria pardalis typically involves the release of eggs and sperm into the water column, where fertilization occurs externally. In the aquarium, breeding is less common, but with stable conditions and a well-established environment, it is possible to observe spawning behavior.

Symbiosis

While not known for specific symbiotic relationships like those seen in clownfish and anemones, sea cucumbers, in general, contribute to the health of the reef and its inhabitants by processing waste and detritus, indirectly benefiting other tank inhabitants.

Habitat

Holothuria pardalis is found in the Indo-Pacific region, from the Red Sea to the waters of Hawaii and the Tuamotu Archipelago. It prefers reef environments with sandy bottoms, where it can bury itself partially for protection and feeding purposes.