Was captured with a trammel net in the main tributaries of the river during the dry season. Its food consists of benthic aquatic invertebrates .
: elongated.
Behavioural data for Trompet knifefish is currently being reviewed.
Freshwater; benthopelagic. Subtropical South America: coastal rivers of northeastern South America.
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Gymnotus longirostratus | Lacepède | 1800 | Synonym |
| Gymnotus rostratus | Linnaeus | 1766 | Synonym |
| Rhamphichthys blochii | Kaup | 1856 | Synonym |
| Rhamphichthys reinhardti | Kaup | 1856 | Synonym |
| Rhamphichthys schneideri | Kaup | 1856 | Synonym |
| Rhamphichthys schomburgki | Kaup | 1856 | Heterotypic |
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 13 records indexed .
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