A redescription of Anomaloglossus praderioi (La Marca, 1998) (Anura: Aromobatidae: Anomaloglossinae), with description of its tadpole and call

Abstract

Anomaloglossus praderioi was originally described as Colostethus praderioi by E. La Marca in 1998 on the basis of two male specimens. The present paper provides a redescription of the species on the basis of new material from Maringma Tepui in Guyana and an additional specimen from Sierra de Lema in Venezuela. The redescription includes descriptions of the tadpole and vocalisation. Anomaloglossus praderioi is a medium-sized species mainly distinguished from its known congeners in having Fingers I, II and IV equal in length, the tip of Finger IV barely reaching the base of the distal subarticular tubercle on Finger III when fingers are adpressed, Fingers II and III with preaxial keel-like lateral folds, toes basally webbed with folded flaplike fringing except on Toes IV-V, symmetrical cloacal tubercles present, thin pale dorsolateral stripe present from tip of snout to tip of urostyle, ventrolateral stripe inconspicuous, never straight, oblique lateral stripe absent, throat in male grey to very dark grey, almost solid black, with black blotches, throat in female bright orange, almost immaculate. The tadpole is dark brown to black, exotrophic, benthic, LTRF 2(2)/3. The advertisement call consists of long trains of a single note repeated at a rate of 61-76 notes/min with a dominant frequency ranging from 3,562 to 3,856 Hz. The species is reported from eastern Venezuela and western Guyana and inhabits montane medium-canopy forest at elevations between 1,310-1,950 m above sea level.

Two new endangered species of Anomaloglossus (Anura: Aromobatidae) from Roraima State, northern Brazil

“…Comparisons of external character states are based both on original descriptions and examination of museum specimens, including most type series (see Appendix for additional material examined). Examination of comparative type series sometimes revealed discrepancies (see Kok 2010;Kok et al 2013) between type specimens and original descriptions, therefore our diagnoses may differ from those usually proposed.…”

“…The temporal structure of the call differs markedly from that of congeneric species in the duration of the call. Anomaloglossus degranvillei (Marty & Gaucher 1999), A. surinamensis (Ouboter & Jairam 2012) and A. praderioi (Kok 2010) emit a single note at rates between 50 and 100 calls/min; A. beebei (Kok et al 2006a), A. tamacuarensis (Myers & Donnelly 1997) and A. kaiei (Kok et al 2006b) emit short series of pulses (4-5, 2, and 1-2 pulses/call, respectively); A. baeobatrachus (Marty & Gaucher 1999) and A. stepheni (Lima et al 2006;Martins 1989) emit short trills of 7-19 pulses and less than 1 s of duration. Anomaloglossus rufulus emits shorter (< 3 s) and regular trills with lower pulse rate (7 pulses/s) (Barrio-Amorós & Santos 2011).…”

The tadpoles of the funnel‐mouthed dendrobatids (Anura: Dendrobatidae: Colostethinae:Silverstoneia): external morphology, musculoskeletal anatomy, buccopharyngeal cavity, and new synapomorphies

“…Among dendrobatoids, data on labial teeth are available for Allobates granti (Kok et al, 2006), Anomaloglossus praderioi (La Marca, 1997) (Kok, 2010), and Ameerega flavopicta (Lutz, 1925) (Dias, Brandão & Grant, 2018), and we observed them in all examined specimens of S. erasmios , as well as in other Dendrobatidae larvae. We observed the presence of cusps in all examined dendrobatoids (Figure 8d) except S. erasmios (Figure 8c), making the absence an autapomorphy of that species (Figure 12a).…”

Una nueva rana nodriza de los bosques de niebla asociados a la cuenca del Orinoco de Colombia

“…El análisis de la vocalización fue realizado mediante el software Raven 1.4 para Windows (Charif et al, 2010), que incluye vocalizaciones a 44.1 KHz y 16-bits de resolución y para el análisis se empleó un FFT (Fast Fourier Transformation) = 256 y una superposición (Overlap) = 50. Los siguientes parámetros, que incluyen variables espectrales y temporales, siguen diferentes propuestas (Duellman y Pyles, 1983;Cocroft y Ryan, 1995;Coloma, 1995;Lima et al, 2009;Kok, 2010;Lima et al, 2010;Koch et al, 2011;Kok et al, 2013;Köhler et al, 2017) que incluyen: 1. Llamado (definido por la unidad acústica principal en una vocalización; un llamado está separado de otro por silencio), 2.…”