Saltwater Fish
Pterois antennata

Species Description…

Scientific Name: Pterois antennata
Common Name: Spotfin Lionfish or Antennata Lionfish
Species Group: Lionfish
Habitat: Reef Safe with Caution
Care Level: Intermediate
Temperament: Predatory
Diet Type: Carnivore
Role in Aquarium: Predator
Max Fish Length: 8 (inches)
Min Aquarium Size: 75 (gallons)
Native Range: Indo-Pacific, including the Red Sea, Indonesia, and the Great Barrier Reef
Pterois Antennata - The Antennata Lionfish

Pterois Antennata - The Antennata Lionfish


Overview

  • Commonly known as the Antennata Lionfish or Spotfin Lionfish.
  • Native to the Indo-Pacific region, often found in reef environments and lagoons.
  • Recognized for its elongated, feathery pectoral fins and distinctive red, white, and black banding.
  • A venomous yet captivating species that requires careful handling.

Feeding

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

Habitat

  • Typically found in coral reefs, rocky crevices, and sheltered coastal areas.
  • Prefers stable water conditions with moderate water flow.
  • Requires an aquarium with plenty of hiding spots and open swimming space.
  • Best kept in an environment that mimics its natural habitat with live rock formations.

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 require careful handling, as stings can be painful and dangerous.
  • Providing a low-stress environment with adequate hiding spots supports long-term health.

Compatibility

  • Semi-aggressive and best housed with similarly sized fish.
  • Compatible with large, robust species such as groupers, triggers, and puffers.
  • Should not be housed with small fish or invertebrates that may be seen as prey.
  • Best suited for predator-based or species-specific aquariums.

Aquarium Behavior

  • Slow-moving but a highly effective ambush predator.
  • Often seen hovering near the substrate or within rocky crevices.
  • Becomes more active during feeding times, especially in low-light conditions.
  • Providing a well-structured habitat with plenty of hiding spots encourages natural behavior.

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