Rock-bacu
📖 Overview
Feeds on fruits when the forests are flooded and on the blades of macrophytes. Acts as seed dispersal agent . Reproduction occurs once a year and juveniles are often seen in large numbers in the estuary of the Amazon, in the region of Mario .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 1; Dorsal soft rays (total): 6; Anal soft rays: 13 - 14. Body elongated, without scales, almost covered with bony plaque, ventrally flattened in adults. Terminal mouth has three pairs of barbels. Lower jaw is shorter than the upper jaw. Eyes small .: elongated.
🌀 Behaviour
Behavioural data for Rock-bacu is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; demersal; potamodromous . Tropical South America: Amazon River basin and estuary near Cayenne, French Guiana.
🌿 Ecology
fruits when the forests are flooded and on the blades of macrophytes
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Rock-bacu |
| 🌍CES | trnovec cayenský |
| 🇫🇷French | Doras à écussons dorsaux |
| 🇵🇹Portuguese | Bacu · Pacu · Vacu |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Doras dorsalis | Valenciennes | 1840 | Synonym |
| Doras lithogaster | Kner | 1855 | Synonym |
| Doras papillionatus | De Filippi | 1853 | Synonym |
| Megalodoras paucisquamatus | Van der Stigchel | 1946 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 4 records indexed .
👥 Community & Contribute
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