![Arapaima with scales Arapaima gigas](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Arapaima with scales Arapaima gigas
Arapaima with scales Arapaima gigas Illustration from “30 Animals that made us smarter” by Patrick Ayree (BBC Books)
![Arapaima gigas fish](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Arapaima gigas fish
Arapaima gigas fish showiung its distinctive scales and “etched” head Illustration from “30 Animals that made us smarter” by Patrick Ayree (BBC Books)
![Peacock mantis shrimp Odontodactylus scyllarus](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Peacock mantis shrimp Odontodactylus scyllarus
Peacock mantis shrimp Odontodactylus scyllarus with dactyl club tucked in under thorax. Illustration from “30 Animals that made us smarter” by Patrick Ayree (BBC Books).
![Hylobacter](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Hylobacter
Hylobacter schematic illustration showing the bacteria with fringes