From
the Latin obscurus, meaning indistinct, in reference to
the uniform brown colour of the fish.
obtusirostris
Obtusi=blunt;
rostris= snout.
obtusis
Blunt.
occidentalis
Pertaining to the west;
from the west.
ocellifer
Bearing
eye-like spots.
octocirrus
Eight
filaments, or barbels.
oculata/us
Provided
with an eye.
oguensis
The specific epithet
is geographic referring to the Ogowe (Ogôoué)
River where the types originated.
oiapoquensis
Named
for the Rio Oiapoque in French Guiana were this Corydoras
gets its name from.
olivaris
Means "olive-coloured"
in Latin.
oliveirai
Named
in honor of Claudio de Oliveira, from the Universidade
Estadual Paulista “Júlio de Mesquita Filho”,
campus Botucatu (SP), in recognition of his extensive
contribution to the knowledge of
Neotropical fish evolution.
olyroides
–oides, having
the form of: referring to superficial resemblance to (and
possible relationship with) Olyra (Hemibagrus
olyroides).
oncinus
This catfish (Liosomadoras)
named after the Jaguar cat, Panthera onca, because
of its markings.
onzagaensis
ensis,
suffix denoting place: Municipio de Onzaga, Departamento
de Santander, Colombia, type locality (Astroblepis
onzagaensis).
opistho-
Behind, back, backward.
orca
The
specifc epithet is an allusion to the coloration resembling
that of the orca whales (Orcinus orca). A noun
in apposition.
orcesi
Dedicated to Dr.Gustavo
Orcés-Villagomez.
orestis
A
mountaineer.
orientale
The new species is
named Chaetostoma orientale, from the Latin orient-,
oriens, orientalis, meaning eastern, from the east, of
or belonging to the east, in reference to its easternmost
distribution among species of the genus. An adjective
in neuter form in agreement with genus gender.
orientalis
Pertaining
to the east; from the east (and east Africa).
orinoco
From the Orinoco River,
Venezuela.
orinocoense
The
specific name, orinocoense, refers to the Orinoco River,
Venezuela, the drainage in which this species is endemic.
ornata/um/us
Ornate; decorated.
ornaticeps
Ornate
head.
ornatissimus
Meaning
very ornate or decorated, referring to its “striking”
colouration (translation), with many black spots on body
and dorsal fin and black bands on tail [replacement name
for Synodontis ornatus Boulenger 1920, preoccupied
by Synodontis ornatus Pappenheim 1914].
ornatipinnis
Ornate
fins.
orixanthum
The specific name is
in reference to the distribution of the species in the
Orinoco basin and its relationship to the species Megalonema
xanthum.
orphnopterus
From
the Greek orphnos = 'dark' or 'dusky' and pteron
= 'feather', 'wing' or 'fin', in reference to the black
spot on the dorsal fin.
ortegai
After Hernn Ortega
Torres, curator of the fish Nacional Mayor de San Marcos.
osteocarus
From
the Greek osteon = 'bone' and kara =
'head' or 'top'.
otali
The specific name 'otali'
is a Wayana Amerindian name meaning secret, in reference
to the colouration of the species, similar to its biotope,
making it difficult to observe. Wayana Amerindians live
on the sides of the Upper Maroni River basin where the
new species was found. A noun in apposition.
ourastigma
With
a spot on the tail.
oxyptera
The specific name of
oxyptera: oxy, sharp; ptera, fin, presumably
referring to the large, falcate pectoral fins (Paravendellia
oxyptera).
oxyrhynchus
From
the Greek oxys = 'sharp' or 'acute' and rhynchos
= 'snout', alluding to the long snout.
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