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Batrochoglanis raninus (Valenciennes, 1840) |
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photo by
Small, F. |
| Family: | Pseudopimelodidae (Bumblebee catfishes, dwarf marbled catfishes), subfamily: Batrochoglaninae | |||
| Max. size: | 20 cm SL (male/unsexed) | |||
| Environment: | demersal; freshwater; pH range: 6 - 7; dH range: 10 | |||
| Distribution: | South America: Amazon River basin, Guyana and French Guiana. | |||
| Diagnosis: | ||||
| Biology: | Commonly occurs in creeks as well as in rivers (Ref. 27188). Found in very shady and deep zones of rivers where the current is slow, the bottom is shady and the gravel is covered with plant debris. During the day, it lies hidden under branches or rocks. It goes stalk-hunting, swallowing prey within its range. Starts feeding on micro-crustaceans and aquatic insect larvae, then shifts it diet to fishes of notable size (Ref. 35381). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 16 November 2020 Ref. (130435) | |||
| Threat to humans: | harmless | |||
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