This study aims to investigate the relationship between the development of pharyngeal taste buds (TBs) and first feeding of Hucho taimen. Larvae were fed with live food (water flea and tubifex) for 8 weeks. TBs of larval pharynx were histologically examined using light microscopy during the rearing experiment. The results showed that the first few TBs primordia were visible within the pharynx 2...

El ajolote Ambystoma velasci es un anfibio endémico de México, debido a las presiones ambientales y antropogénicas sus poblaciones silvestres han disminuido, por lo cual se encuentra enlistado como especie sujeta protección especial (NOM-059-SEMARNAT-2010). Un aspecto importante para su bienestar, desarrollo adaptación en cautiverio ofrecer una dieta variada; sin embargo, no existen estudios ac...

The study was carried out to ascertain benthic macro-invertebrates checklist in the Cross River, Nigeria and using it for bio-indication of the river quality. A total of 186 benthos specimens were collected. The phylum Insecta was most abundant (96) representing 51.61% of total benthos abundance; followed by Oligochaeta 60 (32.25%), Nemertea 10 (5.37%), Hirudiae 8 (4.3%), Cladocera 6 (3.22%), A...