per stare in tema

22 giugno
descritta una nuova specie:

Rivulus staecki, a new killifish (Teleostei: Cyprinodontiformes:
Rivulidae) from the upper Rio Negro drainage in southern Venezuela

Descrittori:

INGO SCHINDLER
STEFANO VALDESALICI (Presidente dell'Associazione Italian Killifish)

Accepted on March 26, 2011.

Published online at www.vertebrate-zoology.de on June 22, 2011.

> Abstract
Rivulus staecki, a new species of the subgenus Owiyeye, is described from the upper Rio Negro drainage in southern
Venezuela (Estado Amazonas). It differs from the other species of the subgenus by a unique combination of character states:
a truncate caudal fi n, elongated pelvic fi ns in males, presence of a ‘rivulus spot’ in both sexes and 35 – 38 scales in the
longitudinal series.

http://www.vertebrate-zoology.de/vz6..._Schindler.pdf

complimenti! #25
------------------------------------------------------------------------
e un'altra ancora:

Rivulus albae, a new species of killifish (Teleostei: Cyprinodontiformes:
Rivulidae) from northeastern Brazil

STEFANO VALDESALICI (Presidente Associazione Italiana Killifish)
JOSÉ RAMÓN GARCÍA GIL,
DALTON TAVARES BRESSANE NIELSEN

Accepted on March 26, 2011.

Published online at www.vertebrate-zoology.de on June 22, 2011.

> Abstract
Rivulus albae, new species, from northeastern Brazil, is described. It is a member of the subgenus Melanorivulus and
distinguished from all other species of this assemblage having brown oblique bars on the entire fl ank often form chevron-like
marks with a posterior vertex and differs from R. decoratus by having less scales on lateral series and more branchiostegal
and anal fin rays.

http://www.vertebrate-zoology.de/vz6...aldesalici.pdf

Se avete Facebook, andate sulla pagina di Seriouslyfish e cliccate "mi piace"...ogni tanto ci sono immagini di nuove specie scoperte (solo pesci d'acqua dolce e potenziali ospiti di vasche casalinghe)!