The present study is a first-of-its-kind investigation of lectin binding patterns within the pectoral fin of the little skate reared under different thermal regimes. While results show temperature did not have a large effect on glycosylation patterns, this study serves as an important baseline analysis of glycan presence and staining patterns in an important marine elasmobranch species.

The brown basilisk Basiliscus vittatus is a tropical lizard whose reproductive biology has been poorly studied. We analyzed the male reproductive cycle of this species in Southern Mexico, using histology and morphometrics. We described the histological characteristics of the testis and other reproductive organs including the ductuli efferentes, epididymis, the sexual segment of the kidney and the ductus deferens. B. vittatus reproduce year-round but reproduction is favored during the rainy season.

In the tribe Ptomaphagini (Leiodidae, Cholevinae), identification depends on analyzing the genital morphology. Here, we present a new character for diagnosing two genera, a projection arising from the internal surface of the right lobe of the aedeagal apex. We recognize it as a putative synapomorphy for those genera. The recognition of this previously overlooked structure adds important information for understanding the sequence of changes that occurred in the male genitalia among the genera of Ptomaphagini.