Fishes from the Río Alvarado drainage, Upper Río Magdalena Basin, Colombia
Author
Albornoz-Garzón, Juan G.
Author
Conde-Saldaña, Cristhian C.
Author
López-Delgado, Edwin O.
Author
García-Melo, Jorge E.
Author
Villa-Navarro, Francisco A.
text
Check List
2020
2020-09-18
16
5
1181
1198
http://dx.doi.org/10.15560/16.5.1181
journal article
10.15560/16.5.1181
1809-127X
Heptapteridae
undescribed
Figure 3D
Material examined.
COLOMBIA
• 3, 44.3–62.0 mm SL;
Río Alvarado-Puente
;
04°31′11.3″N
,
074°59′14.0″W
;
521 m
a.s.l.
;
12 Dec. 2012
;
Cristhian C. Conde-Saldaña
,
Juan G. Albornoz-Garzón
leg.;
CZUT-IC 10417
. •
2,
40.9– 42.4 mm
SL;
Río Alvarado-Chucuní
;
04°27′56.7″N
,
Figure 3.
Siluriform fishes from Río Alvarado drainage, Upper Río Magdalena Basin, Colombia.
A.
Cetopsorhamdia molinae
.
B.
Pimelodella floridablancaensis
.
C.
Rhamdia guatemalensis
.
D.
Heptapteridae
undescribed.
E.
Pimelodus yuma
.
F.
Trichomycterus banneaui
.
G.
Trichomycterus transandianus
.
H.
Trichomycterus mogotensis
I.
Chaetostoma milesi
.
J.
Chaetostoma thomsoni
.
K.
Hypostomus
(
Cochliodon
)
hondae
.
L.
Lasiancistrus caucanus
. Scale bars: 10 mm.
075°03′46.7″W
;
697 m
a.s.l.;
13 Dec. 2012
; Cristhian C. Conde-Saldaña, Juan G. Albornoz-Garzón leg.; CZUT- IC 10452.
Identification.
Body moderately elongated. Body deep (9.2–16.6% SL). Cleithral width: 14.0–18.8% SL. Head length: 18.4–22.1% SL. Maxillary barbel reaching pec- toral-fin insertion. Adipose fin rounded (17.6–30.2% SL, its origin anterior to anal-fin; adipose-fin origin equi- distant between dorsal and caudal fins). Adipose-fin depth (2.2–4.6% SL). Caudal fin forked with both lobes rounded, upper lobe longer than lower lobe. Body brown with scattered minute melanophores along body. A conspicuous pale collar around posterior region of head and pale blotch in front of dorsal fin. Fins hyaline.