SCOTCAT.COM  

your internet guide to all things catfish
≡
  • HOME
  • FACTSHEETS
    • By Month/Year
    • By Family
    • by Genus
    • by Common Names
    • By Specific Names
    • By Continent
      • Index
      • Africa
      • Asia
      • Australasia
      • Europe
      • North America
      • South America
  • GALLERIES
    • Photo Gallery
    • Art Gallery
    • Movie Gallery
    • Stamps Gallery
  • FAMILIES
    • A-B
      • Ailiidae
      • Akysidae
      • Amblycipitidae
      • Amphiliidae
      • Anchariidae
      • † Andinichthyidae
      • Ariidae
      • Aspredinidae
      • Astroblepidae
      • Auchenipteridae
      • Auchenoglanididae
      • Austroglanididae
      • Bagridae
    • C-D
      • Callichthyidae
      • Cetopsidae
      • Chacidae
      • Clariidae
      • Claroteidae
      • Cranoglanididae
      • Diplomystidae
      • Doradidae
    • H-I
      • Heptapteridae
      • Heteropneustidae
      • Horabagridae
      • Ictaluridae
    • K-L-M
      • Kryptoglanidae
      • Lacantuniidae
      • Loricariidae
      • Malapteruridae
      • Mochokidae
    • N-P
      • Nematogenyidae
      • Pangasiidae
      • Phreatobiidae
      • Pimelodidae
      • Plotosidae
      • Pseudopimelodidae
    • R-S-T
      • Ritidae
      • Schilbeidae
      • Scoloplacidae
      • Siluridae
      • Sisoridae
      • Trichomycteridae
  • ARTICLES
    • Index
    • Breeding
    • By Author
    • Cat-Articles
    • General
    • Numbered List
    • Ichthyology
    • Travel/Collecting
  • IDENT-A-CAT
  • RESOURCES
    • Citation
    • Etymology
    • Fishhouse
    • Glossary
    • Scientific Papers
    • ScotShop
  • SITE MAP
  • FB GROUP
  • HELP
    • Index
    • Catfish Anatomy
    • Convertors
    • FAQ
    • Ident-A-Cat
    • Water Chemistry
 

SPECIES NAMES PAGE 'O'

Species (second name: a group of organisms generally resembling each other and capable of reproduction).

 

Genus Names  A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z

 O

   
obesa/us Obese; plump.
obbesi After Obbes.
obscurus 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.
oharai Osteogaster oharai is named in honour of Dr. Willian Massaharu Ohara, dear friend and distinctive ichthyologist, not only for his extensive contributions to knowledge of South American freshwater fishes, but for having played a fundamental role in the professional history of LFCT, having generously donated dozens of species of Corydoradinae collected by him over the last decade, some of which were described in collaboration. A noun in a genitive case.
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.
oremaculatus oris (L.), mouth; maculatus (L.), spotted, referring to two large black spots on palate that look like little teeth (Hypophthalmus oremaculatus).
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'.
osvaldoi The specific epithet honours Jorge Osvaldo Fernández Santos, an esteemed aquarist and fish collector who made significant contributions to the knowledge of Argentinean fish by collecting and generously donating numerous specimens to scientific collections and collaborating with ichthyologists. He had been an avid promoter of the fish keeping hobby, particularly with respect to native species. As a result, this species is named in recognition of Osvaldo’s contributions to the study and knowledge of Argentina’s fishes, (Hoplisoma osvaldoi).
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.
Back to Etymology Page
 

 

 
SPECIES NAMES PAGE "O"

 

 

Donate towards my web hosting bill!


If you would like to contribute to the monthly factsheets with an article, information or photos, please e-mail me. You will of course be credited for your work.

 

If you would like to donate any denomination of monies to the site just click the above link button. All proceeds will go to running the site and hopefully to keep it going for a few years yet.

  • Facebook about us + contact us + citation + translate + site map + scotshop + glossary + etymology +
  • help YouTube

©2025 SCOTCAT.COM