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Species Guide

Grouper

Mero Gigante
  • Spanish Name: Mero
  • English Name: Grouper
  • Scientific Name: Epinephelus spp.
  • Type of specie: Fish
  • Order: Perciformes
  • Family: Serranidae

Habitat

  • Natural: Rocky bottoms, coral reefs, and mangroves, generally at depths of 10 to 100 meters.
  • Farming: Marine cages in coastal waters with good oxygenation and stable temperature.

General Description

  • Body shape: Elongated and robust, with a slightly laterally compressed profile.
  • Distinctive features:

    Large and robust head, prominent mouth, and strong teeth. Variable coloration, often mottled with brown, greenish, or grayish tones.

Size and Weight

  • Average length: Usually between 45 cm and 3 meters.
  • Average weight: Commonly between 2 and 50 kg; some specimens can weigh up to 300 kg.

Life Cycle

Some species exhibit protogynous hermaphroditism (sex change from female to male as they age). They typically reach market size in 1.5 to 3 years in aquaculture.

Adaptations

High tolerance to different salinity and temperature levels, favoring farming adaptability.

Juveniles farming systems

Raised in recirculation systems (RAS) or land-based hatcheries.

Grow-out farming systems

Mainly in floating sea cages in coastal areas.

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  • Geographical distribution
Tropical and subtropical waters of the Atlantic, Indian, and Pacific Oceans, including the Mediterranean.
  • Main producing countries
China, Indonesia, Malaysia, Philippines, Vietnam, Turkey.
  • Commercial value

Highly valued for its white, firm flesh and delicate flavor, widely consumed in Asian and Mediterranean markets.

  • Additional uses

By-products: Often processed into fish meal and oils.

  • Common preparation methods
Ideal for grilling, baking, steaming, stews, or as fresh or frozen fillets.