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Cooper's Fairy Basslet (Pseudanthias cooperi)

Find Cooper's Fairy Basslet 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.

Cooper's Fairy Basslet
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Where to buy Cooper's Fairy Basslet

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

  • Saltwaterfish

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  • Amazon

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  • Petco

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About Cooper's Fairy Basslet

Cooper's Fairy Basslet is a small, slender serranid with vibrant coloration: a deep magenta or purple body with yellow-orange markings on the head and dorsal fin, and a distinctive yellow band along the lateral line. Body shape is streamlined and laterally compressed, typical of deepwater planktivorous basslets.

Key facts

Care Level
Moderate
Difficulty Level
Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.
Care Requirements
• 75+ gallon tank minimum, preferably larger for groups • Stable temp 72-78°F, pH 8.1-8.3, moderate to strong flow • Requires plenty of rockwork and swimming space; prone to stress in bare tanks • Feed high-quality plankton foods (copepods, mysis, frozen plankton) multiple times daily • Best kept singly or in established groups; can be territorial
Family
Serranidae
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
Feeding Schedule
Feed 2-3 times daily
Min tank size
70 gallons
Reef safety
Reef Safe
Appearance
Cooper's Fairy Basslet is a small, slender serranid with vibrant coloration: a deep magenta or purple body with yellow-orange markings on the head and dorsal fin, and a distinctive yellow band along the lateral line. Body shape is streamlined and laterally compressed, typical of deepwater planktivorous basslets.
Temperament
Semi Aggressive
Diet
planktivore
Common Health Issues
Marine ich, Fin rot, Swim bladder disorder, Bacterial septicaemia, Hole in the head disease

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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