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Porcupine Puffer (Diodon holocanthus)

Find Porcupine Puffer 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 fish listings before you buy.

Porcupine Puffer
Photo: Diego Delso · CC BY-SA 4.0
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Where to buy Porcupine Puffer

ReefDock searches the following reef retailers for this fish. 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 Porcupine Puffer

Yellowish-tan body covered entirely with long, sharp spines that inflate dramatically when threatened. Rounded body shape with large eyes and a beak-like mouth; distinguished from other puffers by the prominent spiny coverage and absence of dark bands or spots on the body.

Key facts

Family
Diodontidae
Care Level
Expert
Difficulty Level
Moderate - Requires large tank and specialized diet. Best suited for intermediate aquarists.
Min tank size
150 gallons
Temperament
Semi Aggressive
Reef safety
Not Reef Safe
Diet Details
Feed hard-shelled invertebrates such as snails, clams, and sea urchins to maintain proper jaw function and prevent overgrowth of the beak. Offer a varied diet of frozen crustaceans and occasional live prey.
Origin
Indo-Pacific from the Red Sea to Hawaii, including the Indian Ocean, Southeast Asia, and the tropical central Pacific.
Appearance
Yellowish-tan body covered entirely with long, sharp spines that inflate dramatically when threatened. Rounded body shape with large eyes and a beak-like mouth; distinguished from other puffers by the prominent spiny coverage and absence of dark bands or spots on the body.
Common Health Issues
Marine ich, Fin rot, Swim bladder disorder, Bacterial infections, Parasitic infestations, Overgrown teeth
Notes
Will eat invertebrates and may nip at corals. Requires hard-shelled foods to prevent tooth overgrowth. Can be messy eaters.
Aka
Long-spined Porcupinefish, Spiny Puffer

Looking for a hobbyist seller?

ReefDock's marketplace lets reef-keepers sell fish directly to other reef-keepers with Stripe-secured checkout and live-arrival photo confirmation. Browse current fish 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 fish listings — so you can see the conditions a fish was raised in before you buy. Log this fish on Reef Trak.

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