–ensis,
suffix denoting place: Uatumã River basin, Brazil,
type locality (Harttia uatumensis).
ucayalensis
Named
for the Ucayali River, Peru, South America.
umbrosa
Latin
for shady, referring to dark pigmentation on dorsal and
anterior portions of the snout compared with unpigmented
snout on the geographically proximate and somewhat externally
similar C. montana (Cetopsis umbrosa).
undecimalis
Latin for eleven, referring
to number of dorsal-fin rays (I, 10) compared to the closely
related Chaetostomus duodecimalis (=P. etentaculatus),
which has 12 (I, 11), (Ptergoplichthys undecimalis).
undulatus
From
the Latin undulatus, like a wave.
unicolor
One colour.
unifasciatus
One
striped.
unillano
Species name from Latin
prefix 'uni' meaning one, unique, and from the Spanish
word 'llano' meaning a plain terrain; alluding to the
savannas or plains crossed by tributaries and the Orinoco
River in Colombia and Venezuela (Pseudohemiodon unillano).
utik
The
specific name utik: from Ikan (=fish) Manong
utik, local Jakartan (Batavian) name for this catfish
[also spelled oetik by Bleeker later in 1846, which is
frequently used in modern literature, but utik was clearly
Bleeker’s intent and appears to have priority by
a few months], (Arius utik).
uranoscopus
From the Greek 'ouranos'
(sky) and 'skopos' (literally watchman, 'skopeoo' means
to look at), referring to the supero-lateral position
of the eyes.
urbaini
In
honour of French biologist and immunologist Achille Urbain
(1884–1957), Director, Muséum national d’Histoire
naturelle (Paris), (Ompok
urbaini).
urostriatum
uro-, from ourá,
tail; striatum (L.), furrowed or grooved (i.e., striped),
referring to alternating black and white horizontal stripes
on tail [spelled urotriatum in heading of account, but
corrected in attached printed errata], (Dianema urostriatum).
urucu
Named for the type
locality, the Rio Urucu basin. Originally, the word comes
from the Tupi (‘‘uru-ku’’) for
red, derived from the colour of the fruit of the ‘‘urucuzeiro’’
(Bixa orellana L.), low tree of the family Bixacea, native
from tropical America. A noun in apposition.
uruguayensis
From
Uruguay.
usmai
Dedicated to Saulo
Usma for his contributions to the ichthyological collection
building in the Cauca valley, and for promoting an active
interchange between Colombian and Venezuelan ichthyologists,
since his MSc studies in 2000 at Universidad Nacional
Experimental de los Llanos Ezequiel Zamora (Guanare, Venezuela).
ussuriensis
Named from the Ussuri
River on the Russian and Chinese border.
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