| detritus |
detritus |
debris |
detritus |
Mexico |
juv./adults |
| nekton |
finfish |
bony fish |
unspecified finfishes |
Canada |
juv./adults |
| nekton |
finfish |
bony fish |
fish scales |
Mexico |
juv./adults |
| others |
other terrest. invertebrates |
n.a./terrest. insects |
dragonflies |
Mexico |
juv./adults |
| others |
other terrest. invertebrates |
n.a./terrest. insects |
unidentified dipterans |
Mexico |
juv./adults |
| others |
other terrest. invertebrates |
n.a./terrest. insects |
unidentified hymenopterans |
Mexico |
juv./adults |
| others |
other terrest. invertebrates |
n.a./terrest. insects |
unidentified lepidopterans |
Mexico |
juv./adults |
| zoobenthos |
benth. crust. |
amphipods |
Hyalella sp. |
Mexico |
juv./adults |
| zoobenthos |
benth. crust. |
ostracods |
unidentified ostracods |
Mexico |
juv./adults |
| zoobenthos |
benth. crust. |
shrimps/prawns |
Palaemonetes sp. |
Mexico |
juv./adults |
| zoobenthos |
insects |
insects |
midges |
Mexico |
juv./adults |
| zoobenthos |
insects |
insects |
unidentified coleopterans |
Mexico |
juv./adults |
| zoobenthos |
insects |
insects |
unidentified ephemeropterans |
Mexico |
juv./adults |
| zoobenthos |
insects |
insects |
unidentified hemipterans |
Mexico |
juv./adults |
| zoobenthos |
mollusks |
gastropods |
Cochliopina sp. |
Mexico |
juv./adults |
| zoobenthos |
mollusks |
gastropods |
unspecified snails |
Canada |
juv./adults |
| zooplankton |
fish (early stages) |
fish eggs/larvae |
fish eggs |
Mexico |
juv./adults |