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Crustaceans of Zihuatanejo

SUBPHYLUM CRUSTACEA

-Animals (Kingdom Animalia)

-Arthropods (Phylum Arthropoda)

-Crustaceans (Subphylum Crustacea)

-Typical Crustaceans (Superclass Multicrustacea)

-Malacostracans (Class Malacostraca)

-Mantis Shrimps (Subclass Hoplocarida)

-Mantis Shrimps (Order Stomatopoda)

-Suborder Unipeltata

-Superfamily Gonodactyloidea


The Gonodactyloidea is a superfamily of mantis shrimps within the order Stomatopoda. Members of this group are marine crustaceans known for their powerful raptorial forelimbs used to capture prey. Species in this superfamily are commonly called smashing mantis shrimps because they possess heavily reinforced, club-like appendages capable of delivering extremely rapid and forceful strikes. Species in this superfamily inhabit tropical and subtropical marine environments, especially coral reefs and rocky coastal areas. They usually live in burrows within rock cavities, coral rubble, or sand, where they remain partially hidden while ambushing prey.

Gonodactyloidea Shrimp

Gonodactyloidea Shrimp (Superfamily)

Diet

  • Carnivorous predators that feed on crabs, shrimp, snails, clams, worms, small fish, and other marine invertebrates.

  • Many species are "smashers," using their powerful club-like raptorial appendages to crack the shells of snails, crabs, and other hard-bodied prey.

  • Ambush prey from burrows or crevices, striking with one of the fastest movements in the animal kingdom.

Range

  • Found throughout tropical and subtropical oceans worldwide.

  • In the eastern Pacific, gonodactyloid mantis shrimps occur from the Gulf of California south along the Pacific coast of Mexico, Central America, and into South America.

  • Several species inhabit the Zihuatanejo region, particularly on rocky reefs and coral-covered shorelines.

Habitat

  • Live in coral reefs, rocky reefs, rubble fields, tide pools, and sandy or muddy bottoms, where they occupy burrows or natural crevices.

  • Most species remain hidden during the day, emerging to hunt or defend their territories.

  • They are generally found from the intertidal zone to depths exceeding 100 m (330 ft), depending on the species.

Size

  • Most species measure 3–12 cm (1.2–4.7 in) in length.

  • Larger species may reach 15 cm (6 in) or more.

  • Weight: Typically 10–150 g, depending on the species.

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