Table 4. List and frequencies of food items register in stomach content of trichodactylid crabs based on previous studies (* low frequency; ** medium frequency; *** high frequency).
| Species/ Food item | Dilocarcininae | Trichodactylinae | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Dilocarcinini | Valdiviini | |||||||||
| D. pagei (1, 2) | D. septemdentatus | P. argentiniana | Z. oronensis (3) | Z. collastinensis | S. australis | S. devillei | T. borellianus (4, 5) | T. kensleyi (6) | T. fluviatilis (7, 8, 9) | |
| VegR | *** | *** | *** | *** | *** | |||||
| Alg | ** | * | * | ** | *** | |||||
| Fungi | * | – | * | * | – | |||||
| MicrO | ** | * | * | * | – | |||||
| MicrC | * | – | ** | * | – | |||||
| Olig | * | – | *** | *** | – | |||||
| ChrL | * | * | *** | ** | – | |||||
| InstL | * | ** | *** | * | ** | |||||
| Mol | * | – | * | – | * | |||||
| Anura | – | – | – | – | ** | |||||
Notes.
- VegR
- vegetal remains
- Alg
- filamentous and unicellular algae
- MicrO
- microorganism (amoebas, ciliates, tardigrades)
- MicroC
- microcrustaceans (copepods, cladocerans and rotifers)
- Olig
- Oligochaetes
- ChrL
- Chironomidae larvae
- InstL
- insect larvae
- Mol
- mollusks
- Anura
- Anura-Hylidae
(1) Williner & Collins (2002); (2) Torres, Giri & Williner (2012); (3) V Williner (2010, unpublished data); (4) Williner & Collins (2013); (5) Carvalho (2014); (6) Williner, Carvalho & Collins (2014); (7) Segadilha & Silva-Soares (2015); (8) Costa et al. (2016); (9) Nogueira-Costa et al. (2016). The gray shaded area indicates the species with unknown feeding habit.