Crustáceos

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Common Freshwater Fish Parasites Pictorial Guide: Crustaceans

Deborah B. Pouder, Eric W. Curtis, and Roy P.E. Yanong

This publication is one in a series of pictorial guides that is designed to assist in the identification of common freshwater fish parasites. The information provided in this guide is not intended to be a complete, detailed description of each parasite or parasite group and its characteristics but rather is intended to assist in the visual identification of some of the most common species or groups of parasites seen in freshwater fish. For further information on each parasite, refer to publications in the “Recommended Reading” and “Reference” sections.

Cherry Shrimp Neocaridina davidi (Bouvier 1904) (Crustacea: Decopoda: Atyidae)

Carrie Suen and Jennifer L. Gillett-Kaufman

Neocaridina davidi is a species of freshwater ornamental shrimp that belongs to the Atyidae family. Wild-type shrimp are generally transparent or greenish-brown; however, generations of selective breeding have produced a variety of colors and patterns

Terrestrial Amphipods or Lawn Shrimp (Crustacea: Amphipoda: Talitridae)

Thomas R. Fasulo

The Featured Creatures collection provides in-depth profiles of insects, nematodes, arachnids and other organisms relevant to Florida. These profiles are intended for the use of interested laypersons with some knowledge of biology as well as academic audiences.

Seed Shrimp, Mussel Shrimp (Freshwater Ostracods) scientific name: (Crustacea: Ostracoda: Podocopa)

Carrie Suen and Jennifer L. Gillett-Kaufman

Blue Land Crab (Cardisoma guanhumi)

Mark E. Hostetler, Frank J. Mazzotti, and Amy K. Taylor

The giant land crab is the largest of Florida's semi-terrestrial crabs. This animal can measure up to 6 in (15 cm) across its carapace (Figure 1). In its juvenile form, the crab is a dark brown, purple, or orange in color. As an adult, it is a bluish-gray color. Females sometimes appear light gray or white. One claw is larger than the other and the walking legs are sparsely hairy.