Simpsonichthys cholopteryx
Simpsonichthys cholopteryx Costa, Moreira & Lima, 2003
Also calledPeixe-anual (por) · vějířovka zelenokřídlá (ces)
First described in: Costa, W. J. E. M.; Moreira, C. R.; Lima, F. C. T. (2003). Simpsonichthys cholopteryx n. sp. (Cyprinodontiformes: Rivulidae: Cynolebiatinae): a new dwarf annual fish from the upper Rio Araguaia basin, central Brazil. <em>Aqua, Journal of Ichthyology and Aquatic Biology.</em> 6(4): 139-144.
Simpsonichthys cholopteryx is a species of killifish in the family Rivulidae. It is found in Brazil.
Descriptions from checklists and floras indexed by GBIF
biology_ecology
Habitat Temporary pools between Campo Umido and Buritizal in the Cerrado.
Taxonomic revision of the seasonal South American killifish genus Simpsonichthys (Teleostei: Cyprinodontiformes: Aplocheiloidei: Rivulidae).
description
Description Morphometric data appear in Table 2. Largest specimen examined 23.5 mm SL. Dorsal profile convex from snout to end of dorsal-fin base, nearly straight on caudal peduncle. Ventral profile convex from lower jaw to end of anal-fin base, approximately straight on caudal peduncle. Body moderately deep, compressed, greatest body depth at point just anterior to anal-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; filamentous rays absent. Dorsal-fin rays unbranched. Caudal fin rounded. Pectoral fins elliptical. Posterior margin of each pectoral fin reaching vertical through base of third or fourth anal-fin ray in males, and vertical just anterior to anus in females. Pelvic fins and pelvic girdle absent. Dorsal-fin origin on vertical through base of 5 th anal-fin ray in males, and 2 nd anal-fin ray in females; dorsal-fin origin between neural spines of vertebrae 9 - 11 in males, and vertebrae 10 - 12 in females. Anal-fin origin between pleural ribs of vertebrae 7 - 10 in males, and vertebrae 9 - 10 in females. D
Taxonomic revision of the seasonal South American killifish genus Simpsonichthys (Teleostei: Cyprinodontiformes: Aplocheiloidei: Rivulidae).
diagnosis
Diagnosis Distinguished from all other congeners by the combination of the following features: absence of pelvic fins and pelvic girdle (vs. presence); dorsal-fin origin posterior (vs. anterior) to anal-fin origin, 16 - 18 dorsalfin rays in males (vs. 19 - 22), 20 - 23 anal-fin rays in males (vs. 17 - 19), 20 - 22 anal-fin rays in females (vs. 17 - 20), maximum adult size 23.5 mm SL (vs. 40.0 mm SL), distal border of both dorsal and anal fins dark gray in males (vs. dark red), posterior border of caudal fin dark gray in males (vs. pale pink), iridescent dots on unpaired fins absent in males (vs. present), pectoral fins hyaline in males (vs. red )), with metallic blue spots in males; iris blue in males (vs. yellow), iridescent blue bars on flank approximately as wide as red bars in males (vs. much narrower), ground color of dorsal and anal fins light blue anteriorly, yellow posteriorly in males (vs. whole fins orange), and presence of dark bars on unpaired fins in males (vs. bars absent).
Taxonomic revision of the seasonal South American killifish genus Simpsonichthys (Teleostei: Cyprinodontiformes: Aplocheiloidei: Rivulidae).
distribution
Distribution Upper rio Araguaia basin, Estado de Mato Grosso, central Brazil (Fig. 1).
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 cholopteryx in the Biodiversity Heritage Library →
From the GBIF Backbone Taxonomy and occurrence records (GBIF.org), with Wikipedia and the Source Library. GBIF species 2349230.