This is a preview. Log in through your library . Abstract The spermathecae of the salamander Ambystoma tigrinum are simple tubuloalveolar exocrine glands in the dorsal and lateral walls of the cloaca.
Pseudoplatystoma corruscans (Spix & Agassiz, 1829), commonly known as pintado or surubim, belongs to the order Siluriformes, family Pimelodidae, and is native to the São Francisco and Paraná basins of ...
Animals. Sixteen adults of P. axelrodi (eight males and eight females) were obtained from commercial aquariums in Buenos Aires that import specimens from Manaus, Brazil. Animals were housed in 50 ...
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