Dorsal spines (total): 1; Dorsal soft rays (total):
6-7; Anal spines: 1; Anal soft rays: 4; Vertebrae:
33 - 34. Distinguished from all other species of Rhadinoloricaria
by having more teeth (4-8 premaxillary and 8-11 mandibular
teeth); more coalescing plates (17-20); maxillary
barbel longer (68-109 % HL), reaching middle or proximal
third of pectoral fin; barbels of lower lip more developed
(16-27% HL); interorbital width greater (16-21% HL);
and first ray of dorsal, pectoral and pelvic fins
produced beyond branched fin rays. Furthermore, it
is distinguished from R. rhami by these osteological
features: tip of first dorsal-fin pterygiophore passes
between paired neural spines of 8th centrum and contacts
posterior border of transverse process of 7th centrum;
pectoral fin reaches anterior half of pelvic fin;
pelvic skeleton with ischiac process of basipterygia
elongated, longer than in R. rhami; and last
pterygiophore of anal fin bears a bifid posterior
process, ending at the middle of haemal spine of 18th
centrum. Habitat: Occurs in the main
river and major tributaries, always over sandy beaches.
Diet: Stomach contents include larvae
of aquatic insects, small seeds and debris. Reproduction:
The holotype (male, 11.59 cm SL) carried 53 fertilized
eggs (3.2-3.4 mm diameter) on its lips and another
specimen was carrying 31 unfertilized eggs.
Aquarium Care: Likes to bury itself in a
deep sandy bottom substrate with only the eyes being
visible so you would need to provide this for aquarium
maintenance. Aquarium Diet: Feed
with tablet foods, frozen mosquito larvae, daphnia
This species is listed as Least Concern (IUCN Red
List) because it is widely distributed, is locally
abundant, is present in protected areas and because
there are no major widespread threats currently affecting
its population in the Peru population.
Madre de Dios basin in Peru; Rio Grande and Rio Manuripe
in Pando, Bolivia. Type Locality:
Tambopata River (12°47'05"S, 69°18'55"W),
Tambopata Province, Madre de Dios Department, Peru.
Chang, F. and E. Castro,
1999. Crossoloricaria bahuaja, a new loricariid fish
from Madre de Dios, southeastern Peru. Ichthyol. Explor.
Freshwat. 10(1):81-88. Froese, R. and D. Pauly. Editors.
2019. FishBase. World Wide Web electronic publication.
www.fishbase.org, ( 12/2019 ). Chuctaya, J. 2016. Crossoloricaria
bahuaja. The IUCN Red List of Threatened Species 2016.