Nutritional Freshwater Life
102
Description: This species is easily distinguished from similar species by the rusty
spots on each side of its carapace, which
is tan in color. A  rust-colored band is
also seen down the center of the back
side of the abdomen. Tips of claws have
black bands. Oval gap is noticeable on
claws when closed. Maximum size of
the species is only 10 cm (http://www.
seagrant.umn.edu/exotics/rusty.html).
Nutritional Facts
Proximate Composition and Minerals (% DM)
Protein Fat Fiber Ash Moisture a Ca
P Energy b
39.9
4.8 11.5 32.8
72.0
13.0 0.54
14.2
a Moisture.
b kJ/g.
Source: Data from Huner et al. (1996).
Orconectes limosus Rafinesque 1817
Order: Decapoda
Family: Cambaridae
Common name: Spiny-cheek crayfish.
Distribution: North America (Adams
et al., 2010a).
Habitat: Clear streams that are 10–100 m
wide, with silt, cobble, gravel, and sand
substrates.
Description: This species is a small to
medium-sized crayfish; the largest specimens reach just over 11 cm long. They
have distinctive spiny cheeks, legs with
orange tips, and striped abdomens, but
are often colored black from the sediment in which they live (NNSS, 2014).
Nutritional Facts
Proximate Composition of Meat (% WW)
Water
Total N2
Protein N2
80.9
2.75
83
Source: Data from Dabrowski et al. (1966).
Proximate Composition
of Meat (% WW)
Fat
Water
0.444
83.64
Fatty Acids (% of Total Fatty Acids)
SFA MUFA PUFA PUFA n-3 PUFA n-6
32.89 34.35 32.76
13.70
19.07
Source: Data from Stanek et al. (2010).
Minerals (mg/kg WW)
Mn
Fe
Zn
Cu
0.26–91.3 0.54–81.1 6.80–51.91 1.21–4.34
Source: Data from Protasowicki et al. (2013).