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Description of Neblinichthys peniculatus, a new species of loricariid catfish from the río Paragua drainage of Venezuela
Armbruster, Jonathan W; Taphorn, Donald C.
  • Armbruster, Jonathan W; Auburn University. Museum of Natural History. Department of Biological Sciences. Auburn. US
  • Taphorn, Donald C; s.af
Neotrop. ichthyol ; 11(1): 65-72, Jan-Mar/2013. tab, graf
Article in English | LILACS | ID: lil-670923
ABSTRACT
Neblinichthys peniculatus is described from specimens collected in the río Carapo (río Paragua - río Caroni drainage), which drains the southern flank of Cerro Guaiquinima in southeastern Venezuela. Neblinichthys peniculatus differs from all congeners by having mottling on the caudal peduncle consisting of dark spots and dashes (vs. caudal peduncle all about the same color or light below and dark above) and by having spots on the head (spots less conspicuous in nuptial males as the head is darker; vs. no spots). Uniquely among Neblinichthys for which nuptial males are known, the hypertrophied odontodes on the snout are rather short, none as large as the eye diameter.
RESUMEN
Se describe una nueva especie, Neblinichthys peniculatus, con especímenes colectados del río Carapo (cuenca del río Paragua-rio Caroní), que drena el flanco sur del Cerro Guaiquinima en el sureste de Venezuela. Neblinichthys peniculatus difiere de todos sus congéneres en tener un patrón de pigmentación moteado en el pedúnculo caudal, que consiste de puntos y líneas cortas oscuras (vs. pedúnculo caudal más o menos uniformemente pigmentado, más oscuro dorsalmente y más claro ventralmente) y por tener puntos en la cabeza (los puntos son menos conspicuos en los machos nupciales; vs. cabeza sin puntos). Los odontodos hipertrofiados del hocico son cortos en los machos nupciales y ninguno es tan largo como el diámetro del ojo, una condición única entre las especies de Neblinichthys de las cuales se conocen los machos nupciales.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Tooth / Catfishes Limits: Animals Country/Region as subject: South America / Venezuela Language: English Journal: Neotrop. ichthyol Journal subject: Biology / Molecular Biology / Physiology / Genetics / Environmental Health / ZOOLOGIA Year: 2013 Type: Article / Project document Affiliation country: United States Institution/Affiliation country: Auburn University/US

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Full text: Available Index: LILACS (Americas) Main subject: Tooth / Catfishes Limits: Animals Country/Region as subject: South America / Venezuela Language: English Journal: Neotrop. ichthyol Journal subject: Biology / Molecular Biology / Physiology / Genetics / Environmental Health / ZOOLOGIA Year: 2013 Type: Article / Project document Affiliation country: United States Institution/Affiliation country: Auburn University/US