Pamphorichthys hollandi (Henn, 1916)

Ota, Renata Rúbia, Deprá, Gabriel de Carvalho, Graça, Weferson Júnio da & Pavanelli, Carla Simone, 2018, Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated, Neotropical Ichthyology 16 (2), pp. 1-111 : 99-100

Pamphorichthys hollandi (Henn, 1916)

Fig. 36

Body elongated; greatest depth contained 3.8 to 6.0 and caudal peduncle depth 5.1 to 6.1 times in SL; head length 3.1 to 4.2, predorsal distance 1.5 to 2.1, and gonopodium length 2.7 to 3.6 in SL; snout length 2.6 to 3.5, horizontal orbital diameter 1.8 to 2.5 and least interorbital width 1.5 to 2.1 in HL. Mouth superior, dentary prognathous; premaxilla and dentary with several small teeth. Longitudinal series with 29-31 scales and transverse series with 8 scale rows. Dorsal fin with 8 or 9 rays, pectoral fin with 9-12, pelvic fin with 6, and anal fin with 8 or 9 rays ( Graça, Pavanelli, 2007). Ground color yellowish to pale brown; scales with dark-brown border, conferring reticulate pattern to body (except on ventral region, from one series below pectoralfin origin). Fins yellowish; dorsal fin with dark-brown blotch on distal portion; males with dark-brown transverse bar on caudal-fin base.

Maximum standard length. 30.0 mm.

Distribution. Upper rio Paraná, rio Parnaíba and rio São Franciso basins.

Remarks. Pamphorichthys hollandi was identified as Pamphorichthys sp. by Graça, Pavanelli (2007).

Figures

Fig. 36. a. Melanorivulus sp., NUP 17575, córrego Querência, Amambaí, State of Mato Grosso do Sul (top, female, 24.7 mm SL; bottom, male, 28.3 mm SL). b. Pamphorichthys hollandi, NUP 16549, rio Baia, Taquarussu, State of Mato Grosso do Sul, Brazil (top, female, 22.8 mm SL; bottom, male, 17.6 mm SL). c. Phalloceros harpagos (top, female, NUP 9360, 22.7 mm SL, female, córrego de nome desconhecido, Jatei, State of Mato Grosso do Sul; bottom, male, NUP 1938, 18.0 mm SL, riacho Caracu, Porto Rico, State of Paraná). d. Phallotorynus pankalos, NUP 5839, córrego Sossego, tributary of the rio Iguatemi, Paranhos, State of Mato Grosso do Sul (top, female, 28.4 mm SL; bottom, male, 18.6 mm SL). e. Phallotorynus victoriae, NUP 1603, lagoa do Portinho, tributary of the rio Paraná, Três Lagoas, State of Mato Grosso do Sul (top, female, 14.6 mm SL; bottom, male, 18.6 mm SL). f. Poecilia reticulata, fresh specimens, uncat (top, female, 35.2 mm SL; bottom, male, 20.3 mm SL). g. Plagioscion squamosissimus, 330.0 mm SL, fresh specimen, uncat.