ReefDock
MarketplaceSellHow it worksFAQ
  1. Home
  2. /Shop
  3. /Livestock
  4. /Invertebrates
  5. /Sea Apple

Sea Apple (Pseudocolochirus violaceus)

Find Sea Apple across reef-livestock retailers and from fellow hobbyists on ReefDock. Compare sources, check live pricing where available, and review source-tank parameters on Reef-Trak-verified invertebrate listings before you buy.

Sea Apple
Photo: (c) budak, some rights reserved (CC BY-NC), uploaded by budak · cc-by-nc
Some retailer links may earn ReefDock a small commission at no extra cost to you. Learn more.

Where to buy Sea Apple

ReefDock searches the following reef retailers for this invertebrate. Click through to see the live price.

  • Saltwaterfish

    Search this retailer

    Search Saltwaterfish
  • Amazon

    Search this retailer

    Search Amazon
  • Petco

    Search this retailer

    Search Petco

About Sea Apple

The sea apple is a striking purple to red holothurian with a bulbous body and 10 branched, feathery feeding tentacles surrounding the mouth. The body is covered in small tube feet and exhibits vibrant coloration that varies from deep purple to reddish-orange.

Key facts

Appearance Description
The sea apple is a striking purple to red holothurian with a bulbous body and 10 branched, feathery feeding tentacles surrounding the mouth. The body is covered in small tube feet and exhibits vibrant coloration that varies from deep purple to reddish-orange.
Min tank size
75 gallons
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
Compatibility
Generally peaceful but may expel toxins when stressed, harming tank-mates. Best kept in species-specific or carefully monitored community tanks with calm fish and inverts.
Type
Filter Feeder
Notes
Photo needed: new livestock catalog expansion entry added on 2026-04-25. Beautiful but risky; only for mature expert systems with stable conditions. Photo candidate added via SearchAPI on 2026-04-25 from inaturalist.org. Verify species match and usage rights before marking final.
Origin
Indo-Pacific region from the Red Sea to Hawaii, typically found in reef environments at depths of 5-40 meters.
Diet Details
Primarily filter-feeder consuming phytoplankton and zooplankton. Requires regular feeding with liquid phytoplankton or fine particulate foods several times weekly.
Category
Cucumber
Max Size
6
Care Level
Expert
Family
Holothuriidae

Looking for a hobbyist seller?

ReefDock's marketplace lets reef-keepers sell invertebrates directly to other reef-keepers with Stripe-secured checkout and live-arrival photo confirmation. Browse current invertebrates listings on ReefDock, or list your own.

Verify the source tank before you buy

ReefDock is the sister app to Reef Trak. Sellers who maintain a Reef Trak tank log can publish source-tank parameters on eligible invertebrate listings — so you can see the conditions a invertebrate was raised in before you buy. Log this invertebrate on Reef Trak.

Related invertebrates

  • Acropora Crab

    Hoplophrys oatesii

  • Amphipods

    Gammarus sp.

  • Anemone Crab

    Neopetrolisthes ohshimai

  • Arrow Crab

    Stenorhynchus seticornis

  • Astrea Snail

    Lithopoma americanum

  • Barnacle

    Cirripedia sp.

  • Berghia Nudibranch

    Berghia stephanieae

  • Blood Red Fire Shrimp

    Lysmata debelius

ReefDock

The reef marketplace built around live-arrival accountability. Sister app to Reef Trak.

Questions? support@reeftrak.com

Marketplace

  • Browse all listings
  • Auctions
  • Trades
  • Sell on ReefDock

Categories

  • Corals
  • Fish
  • Invertebrates
  • Equipment
  • Frags

About

  • How it works
  • Fees and payouts
  • About ReefDock
  • FAQ
  • ReefTrak integration
  • Marketplace rules
  • Affiliate disclosure

© 2026 ReefDock · Privacy · Terms