Simpsonichthys stellatus
Simpsonichthys stellatus (Costa & Brasil, 1994)
Descriptions from checklists and floras indexed by GBIF
description
Description Morphometric data appear in Table 4. Largest specimen examined 37.9 mm SL. Dorsal profile convex from snout to end of dorsal-fin base, approximately straight on caudal peduncle. Ventral profile convex from lower jaw to end of anal-fin base, nearly straight on caudal peduncle. Body moderately deep, compressed, greatest body depth at level of pelvic-fin base. Eye positioned on dorsal portion of head side. Snout blunt. Urogenital papilla cylindrical and short in males, pocket-shaped in females. Tip of both dorsal and anal fins pointed in males, rounded in females. Short filamentous rays on tip of both dorsal and anal fins in males, tip of filaments reaching vertical through caudal-fin base. Anterior and posterior rays of dorsal-fin, including rays on tip of fin, unbranched; median rays branched. Caudal fin rounded. Pectoral fins elliptical. Posterior margin of pectoral fins reaching vertical through base of 4 th anal-fin ray in males, and through urogenital papilla in females. Tip of each pelvic fin reaching between base of 4 th and 6 th anal-fin rays in males, and between urogenital papilla and base of 1 st anal-fin ray in females. Pelvic-fin bases in close proximity. Ana
Taxonomic revision of the seasonal South American killifish genus Simpsonichthys (Teleostei: Cyprinodontiformes: Aplocheiloidei: Rivulidae).
diagnosis
Diagnosis Distinguished from all other species of the S. notatus group by possessing a combination of row of elongated light blue spots with black interspace on the basal portion of the dorsal fin in males (vs. never a similar color pattern) and a dark gray to black distal stripe on the anal fin in males (vs. no distinctive distal dark stripe).
Taxonomic revision of the seasonal South American killifish genus Simpsonichthys (Teleostei: Cyprinodontiformes: Aplocheiloidei: Rivulidae).
distribution
Distribution Middle rio Sao Francisco floodplains, Estado de Minas Gerais, Brazil (Fig. 1).
Taxonomic revision of the seasonal South American killifish genus Simpsonichthys (Teleostei: Cyprinodontiformes: Aplocheiloidei: Rivulidae).
materials_examined
Material examined Brazil: Estado de Minas Gerais, rio Sao Francisco basin: MNRJ 12446, holotype, male, 39.8 mm SL; UFRJ 2066, 5 paratypes; UFRJ 2067, 4 paratypes (c & s); MZUSP 45771, 4 paratypes; MNRJ 12518, 3 paratypes; temporary pool 1 km N of the city of Sao Francisco; W. J. E. M. Costa, G. C. Brasil & C. Campinha, 7 Feb. 1994. UFRJ 2121, 6; UMMZ 230861, 4; MNHN 1997 - 0051, 4; MCZ 138940, 4; temporary pool 7 km S from Sao Francisco; G. C. Brasil, 13 Mar. 1994. UFRJ 2121, 101; UFRJ 5126, 8 (c & s); temporary pool 1.4 km S from Sao Francisco; W. J. E. M. Costa, F. Pupo & E. Araujo, 8 Feb. 1999.
Taxonomic revision of the seasonal South American killifish genus Simpsonichthys (Teleostei: Cyprinodontiformes: Aplocheiloidei: Rivulidae).
Where it has been recorded
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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In the stacks
Searching the stacks…
Every page naming Simpsonichthys stellatus in the Biodiversity Heritage Library →
From the GBIF Backbone Taxonomy and occurrence records (GBIF.org), with Wikipedia and the Source Library. GBIF species 2349190.