Sea Apple (Australian) (Pseudocolochirus violaceus)

Sea Apple (Australian) (Pseudocolochirus violaceus)

Sea Apple comes in different color variations and the combinations of red, blue, pink and yellow.

Pseudocolochirus violaceus is non-aggressive towards the other marine aquarium invertebrates.

Habit & Habitat:

  • Sea Apple – Australian is found on hard surface such as coral reefs, at a depth of around twelve meters or forty feet from the sea level.
  • Pseudocolochirus violaceus may secrete poisonous membranes if it is stressed or if it dies. The toxins are called holothurin and holotoxin.


  • Pseudocolochirus violaceus is a large sized and one of the most poisonous sea cucumber.
  • The body of Sea Apple – Australian is curved with the Pseudocolochirus violaceus’ anterior and posterior tips pointed upwards.
  • The feet of Sea Apple – Australian are tubular and are arranged in three longitudinal rows on the ventral side of the cucumber’s body.
  • Small pointed projections called papillae are located dorsally in two rows on the body of Pseudocolochirus violaceus.
  • Sea Apple – Australian has ten purple colored tentacles with white tips.
  • Temperature of water: Seventy-two to seventy-eight degrees Fahrenheit.
  • Specific gravity of water: 1.023 to 1.025.
  • pH of water: 8.10 to 8.40.
  • Illumination: Sea Apple – Australian requires light in the marine aquarium it inhabits.
  • Feeding & Nutrition:
  • Sea Apple – Australian is a suspension feeder wherein it expands its tentacles that are coated slightly with mucus to stick the prey on to them.
  • Pseudocolochirus violaceus is Omnivorous in feeding habit and eats algae, detritus and the meaty bits of seafood, fish, krill and shrimp.


  • Pseudocolochirus violaceus is very difficult to maintain owing to its poisonous nature.
  • Fluctuations in the pH of water may be detrimental for the health of Sea Apple – Australian.
  • The high levels of Copper and Nitrates in the water may prove lethal for Pseudocolochirus violaceus.
  • The health of Sea Apple – Australian can be adversely affected if the water parameters of your marine aquarium violate the specific standards.


  • Pseudocolochirus violaceus is poisonous in nature and therefore, should be handled and maintained by expert aquarists only.
  • Sea Apple – Australian may secrete poisonous membranes if it is stressed in anyway, such as when threatened or when spawning and even after its death. If Sea Apple – Australian dies then, change the water of your marine aquarium several times. Keep some carbon tied in a net near your aquarium’s filter to eliminate even the traces of toxins.
  • The poison of Sea Apple – Australian may be lethal for fish in your marine aquarium. Therefore, do not keep fish and the cucumber in the same reef tank.
  • Sea Apple – Australian secretes poison when it is disturbed therefore; do not keep Sea Urchins and Sea Stars in the same tank with Sea Apple as they may disturb it.

Purchase Size: approx 4-7"

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