TN00351 BLACKNOSE DACE RHINICHTHYS ATRATULUS
Trophic| References | |
| Omnivore | 1470 |
| Lifestage | Food Item Consumed | Part of Food Item |
| General | Crustaceans | Not Specified |
| General | Rotiferans | Not Applicable |
| General | Arachnids | Not Applicable |
| General | Diptera | Larva stage |
| General | Ephemeroptera | Juvenile stage |
| General | Diptera | Adult stage |
| General | Ephemeroptera | Larva stage |
| General | Trichoptera | Not Specified |
| General | Trichoptera | Larva stage |
| General | Trichoptera | Pupa stage |
| General | Coleoptera | Adult stage |
| General | Coleoptera | Not Specified |
| General | Collembola | Not Specified |
| General | Neuroptera | Not Specified |
| General | Plecoptra | Larva stage |
| General | Plecoptra | Not Specified |
| General | Hymenoptera | Not Specified |
| General | Hymenoptera | Adult stage |
| General | Lepidoptera | Not Specified |
| General | Hemiptera | Adult stage |
| General | Insects | Egg/Fetus stage |
| General | Insects | See Comments |
| General | See Comments on Food Habits | Egg/Fetus stage |
| General | Oligochaetes | Not Applicable |
| General | Annelids | Not Applicable |
| General | Diplopods | Not Specified |
| General | Animals | Not Applicable |
| General | Detritus | Not Applicable |
| General | Bacillariophyceae | Not Applicable |
| General | Chrysophyta | Not Applicable |
| General | Chlorophyta | Not Applicable |
| General | Plants | See Comments |
| General | See Comments on Food Habits | See Comments |
| General | Animals | Adult stage |
| General | Animals | Larva stage |
| General | Animals | Juvenile stage |
| General | Plants | Fruit/Seeds |
| General | Animals | Pupa stage |
| General | Animals | Egg/Fetus stage |
| General | Insects | Larva stage |
| General | Insects | Adult stage |
| General | Insects | Pupa stage |
| General | Insects | Juvenile stage |
| Juvenile | Bacillariophyceae | Not Applicable |
| Juvenile | Chrysophyta | Not Applicable |
| Juvenile | Chlorophyta | Not Applicable |
| Juvenile | Detritus | Not Applicable |
| Juvenile | Plants | See Comments |
| Juvenile | Cirripeds | Not Specified |
| Juvenile | COPEPODS | Not Specified |
| Juvenile | Ostracods | Not Specified |
| Juvenile | Branchiopods | Not Specified |
| Juvenile | Crustaceans | Not Specified |
| Juvenile | Tapeworms | Not Specified |
| Juvenile | Ephemeroptera | Juvenile stage |
| Juvenile | Plecoptra | Juvenile stage |
| Juvenile | Trichoptera | Larva stage |
| Juvenile | Trichoptera | Pupa stage |
| Juvenile | Diptera | Larva stage |
| Juvenile | Diptera | Adult stage |
| Juvenile | Hemiptera | Adult stage |
| Juvenile | Hymenoptera | Adult stage |
| Juvenile | Insects | Egg/Fetus stage |
| Juvenile | Rotiferans | Not Applicable |
| Juvenile | Arachnids | Not Applicable |
| Juvenile | Plants | Fruit/Seeds |
| Juvenile | Animals | Not Applicable |
| Juvenile | Animals | Adult stage |
| Adult | Detritus | Not Applicable |
| Adult | Bacillariophyceae | Not Applicable |
| Adult | Chrysophyta | Not Applicable |
| Adult | Chlorophyta | Not Applicable |
| Adult | Plants | See Comments |
| Adult | Cirripeds | Not Specified |
| Adult | COPEPODS | Not Specified |
| Adult | Ostracods | Not Specified |
| Adult | Branchiopods | Not Specified |
| Adult | Crustaceans | Not Specified |
| Adult | Oligochaetes | Not Specified |
| Adult | Annelids | Not Specified |
| Adult | Tapeworms | Not Specified |
| Adult | Diplopods | Not Specified |
| Adult | See Comments on Food Habits | Egg/Fetus stage |
| Adult | Diptera | Larva stage |
| Adult | Diptera | Adult stage |
| Adult | Ephemeroptera | Larva stage |
| Adult | Ephemeroptera | Not Specified |
| Adult | Coleoptera | Not Specified |
| Adult | Coleoptera | Adult stage |
| Adult | Trichoptera | Not Specified |
| Adult | Trichoptera | Larva stage |
| Adult | Collembola | Larva stage |
| Adult | Animals | Adult stage |
| Adult | Animals | Larva stage |
| Adult | Animals | Egg/Fetus stage |
| Adult | Insects | Larva stage |
| Adult | Insects | Adult stage |
| Adult | Plecoptra | Not Specified |
| Adult | Hymenoptera | Not Specified |
| Adult | Lepidoptera | Not Specified |
| Adult | Hemiptera | Adult stage |
| Adult | Plants | Fruit/Seeds |
| Adult | Hymenoptera | Adult stage |
| Adult | Insects | Egg/Fetus stage |
| Adult | Collembola | Not Specified |
| Adult | See Comments on Food Habits | See Comments |
Comments on General Food Habits
The main food of this species is aquatic insects although they also take worms, spiders and mites, terrestrial insects, larval fishes, algae and detritus *4205*. They are known to eat invertebrate eggs, of a type that is unidentified *1621*. This species feeds on higher orders of plants as well as microscopic plants *1196,1471*. They are generally considered opportunistic and omnivorous, and are known to feed heavily on aquatic vegetation as well as Ephemeroptera and Diptera larvae *1620,1196,1623,1621*. Insects taken are both aquatic and terrestrial *1623*.
Comments on Adult Food Habits
The diet remains similar as the fish grow larger *1470*. They are reported to eat higher plants *1471*, and are known to eat invertebrate eggs *1621*. Feeding peaked between 1600-2000 hours *1621*.
Comments on Juvenile Food Habits
Juveniles are reported to eat most higher plants *1471*. Midges are the most important food item *1470*.
| References/Lifestage | Reference Numbers |
| General | 1471, 1630, 1621, 1620, 1196, 1623, 4205 |
| Adult | 1621, 1196, 1620, 1623, 1630, 4205 |
| Juvenile | 1471, 1470 |