Simpsonichthys suzarti sp. n. (Teleostei: Cyprinodontiformes: Rivulidae): a new annual fish from the Rio Pardo floodplains, northeastern Brazil
Costa, Wilson J. E. M.
Zootaxa
2004
468
1
7
4XG4P
[525,699,1644,1670]
Actinopterygii
Rivulidae
Simpsonichthys
Animalia
Cyprinodontiformes
4
5
Chordata
species
constanciae
1 No black spots on male flank; dorsal and anal fins of male with short filamentous rays, tip never reaching vertical through posterior margin of caudal fin; male with contact organs on flank scales and inner surface of upper pectoralfin rays ............................ 2 Four longitudinal rows of round black spots on male flank; dorsal and anal fins of male with long filamentous rays, tip posteriorly surpassing posterior margin of caudal fin; contact organs of flank and pectoral fin absent ................................ S. constanciae 2 Anal fin pointed in male; bars restricted to anterior portion of male flank; no bars on male anal fin................................................................................................................. 3 Anal fin rounded in male; reddish brown bars alternated with bright greenish blue bars on whole male flank; oblique brown bars on male anal fin ............................ S. suzarti 3 No bright dots on caudal and anal fins of male............................................................. 4 White dots on dorsal fin and concentrated on dorsal half of male caudal fin................. ................................................................................................................. S. bokermanni 4 Three horizontal stripes on posterior half of male flank; 4 + 14 gillrakers on first branchial arch; 1618 dorsalfin rays in female; male unpaired fins yellow.......................... ........................................................................................................... S. perpendicularis Usually no stripes, sometimes faint median stripe on posterior half of male flank; 3–4 + 11 gillrakers on first branchial arch; 13–15 dorsalfin rays in female; male unpaired fins red.......................................................................................................... S. rosaceus