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Volume 1, Issue 1, March 1994

Volume 1, Issue 1 – March 1994

01-1

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Romer, Uwe: Apistogramma mendezi nov. sp. (Teleostei: Perciformes: Cichlidae): description of a new dwarf cichlid from the Rio Negro system, Amazonas State, Brazil, pp. 1-12.

Abstract
Apistogramma menezi n. sp. (Fig. 1) is described on the basis of 18 specimens from a little river near Barcelos do Rio negro, Dept. Amazonas, Brazil (near 63.04’W / 0.01’S). For biometric data see Table I. Separated from all other Apistogramma species except A. paucisquamis, A. elizabethae and A. uaupesi by the prolongation of spies D3 and V3 in lyrate caudal fin. In contrast to A. paucisquamis, A. mendezi shows complete squamation of caudal peduncle, lacks the positive growth-allometry of lower jaw, 3(-4) narrow ventral bars of vent (versus 1 wide in a. paucisquamis) and always missing bars in caudal fin. Distinguished from A. uaupesi by completely different colouration and unprolonged membranes of dorsal fin. A. elizabethae also shows a completely different dorsal fin shape. A. mendezi was foud syntoptically with A. gephyra and A. gibbiceps in a fast following water with gravel-like bottom. Females in breeding colours have been caught.

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Apistogramma mendezi n. sp. Photo by Uwe Römer

 

 

 

 

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