Description:
Dorsal spines (total): 1; Dorsal soft rays (total):
7; Anal soft rays: 13 - 16; Vertebrae: 45 - 48. Total
vertebrae 45-48 including Weberian complex. Aquarium
Care: A tank of at least 3ft x 18ins x 18ins
with a medium water flow and weekly water changes.Diet:
Wormfoods, shellfish and other meaty or insect-based
foods. Feed 2 to 3 times per week. Etymology:
The genus name Megalonema: Greek, megas,
megalos = great + Greek, nema = filament. The specific
name xanthum: xanthos, yellow, referring
to its colouration in life. Remarks:
This species is listed as Least Concern because it
has a relatively wide distribution and it is unlikely
that any major threat is affecting its population.
Monitoring of its population is recommended as it
is a rare species and there may be unnoticed threats
affecting it (IUCN 2016).
Common
Name:
None
Synonyms:
None
Family:
Pimelodidae
Distribution:
South America:
Magdalena River basin, Colombia. Type locality:
Girardot [Colombia].
Megalonema xanthum Cauca
and Espiritu Santo River Confluences, Valdivia Municipality,
Antioquia, Colombia
Megalonema
xanthum Dorsal
view-Cauca and Espiritu Santo River Confluences,
Valdivia Municipality, Antioquia, Colombia
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