Saltwater Aquarist

Porkfish

(Anisotremus virginicus)

Porkfish

Species Description…

Scientific Name: Anisotremus virginicus
Common Name: Porkfish
Species Group: Grunt
Habitat: Reef Safe with Caution
Care Level: Intermediate
Temperament: Peaceful
Diet Type: Omnivore
Role in Aquarium: Showpiece Fish
Max Fish Length: 16 (inches)
Min Aquarium Size: 180 (gallons)
Native Range: Western Atlantic, Caribbean

Overview

  • Native to the Western Atlantic, including the Caribbean and Gulf of Mexico.
  • Recognized by its yellow body with bold black stripes running across the head.
  • A nocturnal feeder that is often seen schooling in the wild during daylight hours.
  • Popular in public aquariums due to its striking appearance and schooling behavior.

Feeding

  • Omnivorous, primarily consuming crustaceans, small fish, and invertebrates.
  • Readily eats frozen, live, and high-quality pellet foods.
  • A varied diet including shrimp, squid, and marine flakes helps maintain health.
  • Feeding multiple times per day supports growth and energy levels.

Habitat

  • Typically found in coral reefs, rocky areas, and seagrass beds.
  • Prefers stable water conditions with moderate to strong water flow.
  • Best suited for large aquariums with plenty of swimming space and hiding areas.
  • Thrives in environments that mimic its natural reef habitat.

Fish Care

  • Ideal water temperature: 72-78°F (22-26°C).
  • Optimal pH range: 8.1-8.4, with a salinity level between 1.020-1.025.
  • Requires clean water conditions with effective filtration.
  • Regular water changes help maintain a healthy environment.
  • Providing ample space reduces stress and encourages natural schooling behavior.

Compatibility

  • Peaceful but may become territorial if confined to small spaces.
  • Compatible with other large, active fish such as tangs and groupers.
  • Not recommended for tanks with very small or delicate fish.
  • Best kept in groups to encourage schooling behavior and reduce stress.

Aquarium Behavior

  • Active swimmer, often moving in coordinated groups when in a school.
  • Displays nocturnal feeding behavior, becoming more active in the evening.
  • Requires plenty of open space for swimming as well as hiding spots.
  • Providing a well-structured environment supports its natural instincts and reduces stress.