Amaralia oviraptor Friel, Carvalho, 2016

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 : 60

Amaralia oviraptor Friel, Carvalho, 2016

Fig. 18

Body depressed anteriorly, compressed posteriorly; greatest depth contained 6.5 to 10, caudal peduncle depth 9.1 to 10.5 and body width 4.0 to 4.5 times in SL; snout length 3.1 to 4.3, horizontal orbital diameter 7.8 to 14.3 and least interorbital width 2.6 to 3.9 in HL. Mouth subterminal. Dorsal fin with I,2 rays, pectoral fin with I,5 or 6 rays, pelvic fin with 6 rays and anal fin with 5 or 6 rays ( Friel, Carvalho, 2016). Ground color brown; series of light-beige spots on distal portions of tubercles; fins dark-brown with light-beige distal margins.

Maximum standard length. 122.8 mm.

Biological data. Lives in the bottom of lagoons, and feeds both on eggs and developing embryos of other catfishes ( Friel, 1994; 2003).

Distribution. Paraná-Paraguay system.

Remarks. Amaralia oviraptor was identified as Amaralia sp. by Graça, Pavanelli (2007). Friel, Carvalho (2016) described the new species from the Paraná-Paraguay system.

Figures

Fig. 18. a. Amaralia oviraptor, NUP 124, 87.1 mm SL, Itaipu Reservoir, Marechal Cândido Rondon, State of Paraná. b. Ageneiosus inermis, NUP 3161, 212.0 mm SL, male, baia Sinhá Mariana, Barão de Melgaço, State of Mato Grosso. c. Ageneiosus militaris, NUP 537, 202.0 mm SL, male, rio Ivinheima, Taquarussu, State of Mato Grosso do Sul. d. Ageneiosus ucayalensis, NUP 533, 290.0 mm SL, male, rio Iguatemi, Mundo Novo, State of Mato Grosso do Sul. e. Auchenipterus osteomystax, NUP 2627, 191.0 mm SL, male, Itaipu Reservoir, Stanta Helena, State of Paraná. f. Parauchenipterus galeatus, NUP 3302, 165.0 mm SL, ressaco do Pau Veio (ilha Porto Rico), Porto Rico, State of Paraná. g. Tatia neivai, 60.0 mm SL, male, uncat. h. Trachelyopterus sp., NUP 1885, 98.2 mm SL, rio Iguatemi, Mundo Novo, State of Mato Grosso do Sul.