Axolotl neoteny: The secret of the forever young amphibian The axolotl becomes sexually mature while keeping larval features such as external gills and an aquatic lifestyle. Read more
Orestes mouhotii: Differences Between Males and Females Female Orestes mouhotii are larger and stockier, while males are slimmer and have distinctive horn-like projections on their heads. Read more
Angelfish social behavior In the wild, angelfish often move in small groups, which may help them stay safer and detect danger more easily. Read more