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Cryptic Sponge (Porifera sp.)

Find Cryptic Sponge 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.

Cryptic Sponge
Photo: Wikimedia Commons · cc-by-sa
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Where to buy Cryptic Sponge

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

  • Saltwaterfish

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    Search Saltwaterfish
  • Amazon

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    Search Amazon
  • Petco

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    Search Petco

About Cryptic Sponge

Cryptic sponges are typically small, encrusting or branching forms that hide within rock crevices and coral rubble. Coloration varies widely—commonly brown, tan, red, or yellow—and they often go unnoticed until they spread conspicuously across substrate.

Key facts

Diet Details
Cryptic sponges filter-feed on microscopic particles, plankton, and organic detritus. They require mature tanks with good water flow and natural food availability.
Appearance Description
Cryptic sponges are typically small, encrusting or branching forms that hide within rock crevices and coral rubble. Coloration varies widely—commonly brown, tan, red, or yellow—and they often go unnoticed until they spread conspicuously across substrate.
Compatibility
Cryptic sponges are entirely passive and non-threatening to corals, fish, or other invertebrates. They will coexist peacefully in established reef systems.
Notes
• Minimum 20 gallon tank • Maintain temperature 72–78°F with stable salinity 1.023–1.025 • Require gentle flow and nutrient-rich water; feed dissolved organic matter via target feeding • Vulnerable to copper treatments and sudden chemistry changes; protect from direct predation • Most thrive in established tanks with low light; avoid aggressive scrubbing of substrate
Care Level
Beginner
Category
Other
Origin
Widely distributed throughout tropical and subtropical coral reef systems, including the Indo-Pacific, Red Sea, and Caribbean.
Type
Other
Max Size
12
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
Family
Demospongiae
Min tank size
20 gallons

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.

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