Feeding Habits and Trophic Level of the Panama Grunt Pomadasys panamensis, an Important Bycatch Species from the Shrimp Trawl Fishery in the Gulf of California
Table 2
Indices describing the importance of functional prey groups of Pomadasys panamensis as described by the index of preponderance (), percentage abundance (%), frequency of occurrence (%), and percentage weight (%).
Group
Prey taxa
Shrimp
Penaeidae, Caridea
0.691
2.4
31.3
38.7
Mysids
Mysidae
0.139
92.7
8.6
26
Lobster = like
Stomatopoda, Achelata
0.112
1.1
17.2
13.1
Errant polychaete
Phyllodocida
0.020
1.1
10.7
3.2
Octopi
Cephalopoda
0.012
0.2
5.4
3.7
Crabs
Paguroidea, Portunidae
0.009
0.3
6.2
4.7
Fish
Anguillidae, Engraulidae, Clupeidae, and Sciaenidae
