Cat-eLog Right Arrow Pseudopimelodidae Right Arrow Microglanis

Down arrow Cat-eLog Data Sheet
Scientific Name Microglanis carlae  Vera Alcaraz, da Graça & Shibatta, 2008
Common Name South American Bumblebee Catfish
Type Locality Ñeembucú, Mburika, arroyo Yacaré, left bank tributary of río Tebicuary, río Paraguay basin, 26°39'S, 58°05'W, Paraguay.
Etymology Micro - small, glanis - catfish - in reference to the rather small forms of catfish that this genus contains. The specific name is in honor of Carla Simone Pavanelli for her contributions to Neotropical Ichthyology.
Down arrow Species Information
Size 34mm or 1.3" SL. Find near, nearer or same sized spp.
Identification The genus Microglanis was described by Eigenmann (1912) to include small pimelodids with the head as wide as long, the skull covered by skin only; the occipital crest small; frontal fontanel not extending much if any behind the eye, and a minute occipital fontanel sometimes present; eye without a free orbital margin; dorsal and pectoral spines well developed; and premaxillary patches of teeth without backward projecting angles.

From original description: The following combination of characters distinguishes Microglanis carlae from its congeners: paired and anal fins mottled or with thin faint bands, trunk with dark-brown saddles, anterior margin of pectoral spine with serrations retrorse proximally and antrorse distally, tip of pectoral spine as a distinct bony point, continuous portion of lateral line reaching vertical through last dorsal-fin ray, caudal peduncle with irregularly shaped, faint to dark blotch, maxillary barbel surpassing vertical through dorsal-spine origin, and dark bar on posterior flank continuous from base of adipose fin to that of anal fin.
Sexing Analysis of the reproductive condition in six specimens indicated adult males to be about 23 mm SL and females to be about 25 mm SL.
Down arrow Habitat Information
Distribution South America: Río Paraguay basin in Paraguay.
La Plata, Paraná, Paraguay (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
Other Parameters This species, per the original description, was found in moderately flowing sections of streams with dark brown water and bottoms of sand and mud. Specimens were collected with a dip net under floating vegetation at a depth of 1.5 to 2 m. The arroyo Yacaré (type locality) is a deep stream of dark brown water with patches of floating vegetation of Eichhornia sp. along the margins.
Down arrow Husbandry Information
Feeding According to the original description the stomach contents of two specimens included algae and insect larvae.
Breeding Unreported.
Breeding Reports There is no breeding report.
Down arrow Further Information
Reference Neotropical Ichthyology v. 6 (no. 3), pp 426, Figs. 1-2.
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Last Update 2021 Jan 31 02:29 (species record created: 2009 Jan 30 17:23)