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Rhamdia quelen (Quoy & Gaimard, 1824) South American catfish |
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| Jandia, Bagre, Bagre amarelo, Bagre da lagoa, Bagre de lagoa, Bagre guarié, Bagre morcego, Bagre sapo, Bagre sapo das pedras, Jandiá, Jandiaí, Jundiá, Jundiá amarelo, Jundiá tinga, Mandi, Mandí bagre, Mandi chorão, Mandi guaru, Nhandiá, Sapipoca | ||
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photo by
Aguirre, W. |
| Family: | Heptapteridae (Three-barbeled catfishes) | |||
| Max. size: | 61 cm TL (male/unsexed); max.weight: 4,020.0 g | |||
| Environment: | benthopelagic; freshwater; pH range: 7; depth range 0 - 3 m | |||
| Distribution: | Central and South America: Mexico to central Argentina. | |||
| Diagnosis: | ||||
| Biology: | Occurs in littoral creeks, over sandy bottoms covered with dead leaves (Ref. 27188). Inhabits also lakes and rivers, but seems to prefer rivers with a very slight current (Ref. 6868). Prefers a muddy bottom covered with leaves and decaying wood, the latter providing for hiding places during the day (Ref. 35381). Feeds on fish and insects (Ref. 27188), benthic zooplankton and crustaceans (Ref. 35381). Omnivorous (Ref. 79585). Mainly nocturnal (Ref. 11225). Possesses poisonous spiny rays. Its sex ratio is 2:1 in favor of females. The male's reproductive apparatus includes multi-lobed testicles and accessory organs for secretion and storage. Fertilization is external. Non-sticking demersal eggs (1.1 to 2.8 mm diameter) are laid down, hatching after about 48 hours at 22°C. Ten days later, the larvae weigh approximately 100 mg but growth is slow (0.5 to 1.15 g per day). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 19 March 2018 Ref. (130435) | |||
| Threat to humans: | harmless | |||
| Country info: | Recorded from the Caracu and Sao Pedro streams, both tributaries of the Paraná river (Ref. 26076), Rio Sao Francisco (Ref. 6868), Piracicaba (Ref. 50076), Uruguay (Ref. 79585) Machado (Ref. 97589), Acre (Ref. 97592) and Betari River basins (Ref. 38979). Also Ref. 53011. | |||