Description:
Dorsal soft rays (total): 8; Anal soft rays: 3. The
presence of enlarged clusters of odontodes (keels)
at posteromedial apex of most lateral body plates
(vs. A. eschwartzae, absence of odontode
clusters). Colouration: Andeancistrus
platycephalus is distinguished from its only
congener, A.
eschwartzae,
by having a light grey base colour of head and body
(vs. black to dark grey), uniformly shaped round white
to light blue spots smaller than half naris diameter
evenly distributed across head, lateral and dorsal
surfaces of body and fin rays (vs. irregularly shaped
round to vermiculate yellow-gold spots). Etomology:
Genus name: Andeancistrus, derived
from 'Andean', a reference to the mountains from which
this genus originates, and 'ancistrus', a root name
for many Hypostominae genera that have clusters of
enlarged evertible cheek odontodes. Specific name:
platycephalus, flat
(broad or wide) head.
South America:
Zamora River basin in the upper Marañon River
drainage, Ecuador. Type locality:
Río Bomboiza, upper Amazon River basin, eastern
Ecuador.
Size:
14.5cm. TL. (5¾ins)
Temp:
20-25°c (67-77°f.)
p.H.
6.0-7.5.
Reference:
Froese, R. and D. Pauly.
Editors. 2021. FishBase. World Wide Web electronic
publication. www.fishbase.org, ( 10/2021 ). Lujan, N.K., V. Meza-Vargas and R. Barriga-Salazar,
2015. Two new Chaetostoma group (Loricariidae: Hypostominae)
sister genera from opposite sides of the Andes Mountains
in Ecuador, with description of one new species. Copeia
103(3):651-663.
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