Dotted agate, spotted agate, eyed agate, etc
Dotted agate 1, spotted agate 2, eyed agate 3, 4, 5, agate 6. Agata punteggiata, Agata macchiata, Agata occhiuta, Agata. Handcoloured copperplate stipple engraving from Antoine Laurent de Jussieus
Electric eel, torpedo, batfish, cowfish and sargassum fish
Electric eel, Electrophorus electricus 1, eyed electric ray, Torpedo torpedo 2, Brazilian batfish, Ogcocephalus vespertilio 3, longhorn cowfish, Lactoria cornuta 4, and sargassum fish