Size-mass relationships in Trichodactylus fluviatilisLatreille, 1828 (Decapoda: Brachyura: Trichodactylidae), a macroconsumer in coastal streams of the Atlantic Forest, southeastern Brazil

We determined the size-mass relationships for two populations of the freshwater crab Trichodactylus fluviatilisLatreille, 1828 in the Atlantic Forest along the southeastern coast of Brazil. Different mathematical models (linear, exponential, and power) and body variables (carapace length (CL) and width (CW)) were used to determine the best relationships to estimate the biomass of males, females, and all individuals sampled. The values of the...