Lycengraulis grossidens (Spix & Agassiz, 1829)

Vera-Alcaraz, Héctor S. & Emhart Vuletich, Jimmy D., 2016, Records of clupeiform fishes from Paraguay., Ichthyological Contributions of PecesCriollos 46, pp. 1-6 : 2-3

Lycengraulis grossidens (Spix & Agassiz, 1829)

Synonyms. Engraulis grossidens Spix & Agassiz, 1829 . Engraulis janeiro Spix, 1829 . Engraulis dentex Valenciennes,1848 . Engraulis olidus Günther, 1874 . Anchovia abbotti Fowler, 1915 . Clupea inermis Larrañaga, 1923 . Clupea vigintiquiniradiata Larrañaga, 1923 . Lycengraulis schroederi Hildebrand, 1943 . Lycengraulis simulator Fuster de Plaza, 1962

Morphology. Head laterally compressed; straight dorsal profile; snout short, tip rounded, projected. Mouth large, sub-terminal, oblique to body axis; teeth large and conical; long maxilla reaching subopercle, slender, two supra-maxillae; dentary underslung, slender, articulation of lower jaw well behind eye position. Body elongated, laterally compressed, convex dorsal and ventral profile, greatest body depth at vertical through dorsal-fin origin. Body scales large, usually shed. Scutes on belly absent. Pelvic fin present, large, longer than half-pectoral length. Anal-fin origin below midpoint of dorsal-fin position; anal-fin base short, slightly surpassing half caudal-peduncle length. Two axillary gland on paired fins.

Measurements. Body Depth 17 to 24 % SL.

Counts. Anal-fin rays ii to iii + 17 to 25, total 20 to 28 (30). Lower gillrakers 20 to 29, upper gillrakers 17 to 23, total gillrakers 37 to 49 (30).

Coloration in alcohol. Body coloration pale yellow, silver lateral band on midline body and opercle, gill cavity black. Longitudinal band on midline reaching ventral margin of body. Caudal fin with black margins.

Distribution. Lower portions of Río Paraguay and Río Paraná in Paraguay, including the Lago Ypacaraí in the Río Salado drainage and Río Tebicuary (fig. 3, green dots).

Examined material. All from Paraguay: No data: MNHNP 45, alc. 1. Departamento de Presidente Hayes: MNHNP 2416, alc. 2, Río Paraguay (including remnant pool) under West end of Puente Remanso. Departamento Central: MNHNP 35, alc. 2, Villeta, Río Paraguay en el muelle. MNHNP 46, alc. 13, Areguá, Lago Ypacaraí. MNHNP 38, alc. 2, Areguá, Itauguá, Lago Ypacaraí 6 km Suroeste de Areguá. Departamento de Misiones: MNHNP 36, alc. 1, San Miguel, Laguna a 200 m Oeste entre confluencia de los Ríos Tebicuary y Tebicuary-mi. MNHNP 37, alc. 2, San Miguel, Dos lagunas próximas a la confluencia de los Ríos Tebicuary y Tebicuary-mi. MNHNP 2537, alc. 6, Villa Florida, Centu-Cué. MNHNP 3304, alc. 4, Río Aguapey. Departamento de Itapúa: MNHNP 2444, alc. 1, San Cosme y Damián, Playa en el Embalse de la Represa Yacyretá. MNHNP 2473, alc. 2, San Cosme y Damián, Arroyo Aguapey.