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Marijke dives into the world of lesser-known aquarium symbioses, where hosts serve as edible homes, waste is a completely acceptable source of nutrients, and misbehaving can earn you a punch with a stinging anemone glove.
Nature has never needed much help creating monsters, and under the surface there's no shortage of creatures with suitably sinister names. Chris Sergeant meets the underwater ghosts, demons, vampires and parasites.
With steel-blue bodies, glowing red heads and a surprisingly feisty temperament, Sawbwa resplendens is anything but a normal nano fish.
It is hard not to fall in love with a pufferfish when you see one, but it is important to know who’s who, and what they need to thrive.
Sometimes inspiration comes from unexpected places. For this Thai-inspired biotope, it was a roadside stream, a handful of wild bettas and one remarkably friendly taxi driver.
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