Bright orange clownfish, of Finding Nemo fame, face a slew of problems in the wild, from overharvesting for home aquaria, to bleaching of their coral and anemone homes by climate change-induced ...

For fish eggs, getting gobbled by a duck kicks off a harrowing journey that includes a pummeling in the gizzard and an attack by stomach acids. But a few eggs can exit unscathed in a duck’s excrement, ...