Saltwater Fish
Pterois russelli

Species Description…

Scientific Name: Pterois russelli
Common Name: Russell’s Lionfish
Species Group: Lionfish
Habitat: Reef Safe with Caution
Care Level: Intermediate
Temperament: Predatory
Diet Type: Carnivore
Role in Aquarium: Predator
Max Fish Length: 12 (inches)
Min Aquarium Size: 120 (gallons)
Native Range: Indo-Pacific, including the Indian Ocean, Indonesia, and the Great Barrier Reef
Pterois Russelli - The Russell's Lionfish

Pterois Russelli - The Russell's Lionfish


Overview

  • Commonly known as the Russell's Lionfish.
  • Native to the Indo-Pacific region, often found in coastal reefs and lagoons.
  • Recognized for its pale coloration with faint banding and long, venomous spines.
  • A hardy predator that adapts well to aquarium life but requires careful handling.

Feeding

  • Carnivorous diet, primarily feeding on small fish and crustaceans.
  • Requires a high-protein diet, including shrimp, squid, and silversides.
  • May initially prefer live food but can be trained to accept frozen options.
  • Should be fed multiple times per week to maintain health and energy levels.

Habitat

  • Typically found in reef environments, rocky crevices, and sandy bottoms.
  • Prefers stable water conditions with moderate to low water flow.
  • Requires an aquarium with ample hiding spots and open swimming space.
  • Best housed in an environment with live rock structures for shelter.

Fish Care

  • Optimal water temperature: 74-80°F (23-27°C).
  • Ideal pH level: 8.1-8.4, with a specific gravity of 1.020-1.025.
  • Requires high-quality filtration and regular water changes.
  • Venomous spines demand caution, as stings can be painful and dangerous.
  • Providing a stress-free environment supports long-term health and adaptation.

Compatibility

  • Semi-aggressive and best suited for tanks with similarly robust species.
  • Compatible with large fish such as groupers, triggerfish, and puffers.
  • Should not be housed with small fish or invertebrates that may be considered prey.
  • Best kept in predator-based aquariums to avoid territorial disputes.

Aquarium Behavior

  • Slow-moving but an efficient ambush predator.
  • Often seen resting in rock crevices or hovering near the substrate.
  • Becomes more active during feeding times, especially at night.
  • Providing a well-structured habitat with adequate hiding spots encourages natural behavior.

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