On the rocky, volcanic seafloor, there bloomed quite a collection of moving flora: sponges, sea cucumbers, jellyfish called sea gooseberries that were adorned with reddish tendrils and gave off a subtle phosphorescence, members of the genus Beroe that are commonly known by the name melon jellyfish and are bathed in the shimmer of the whole solar spectrum, free-swimming crinoids one meter wide that reddened the waters with their crimson hue, treelike basket stars of the greatest beauty, sea fans from the genus Pavonacea with long stems, numerous edible sea urchins of various species, plus green sea anemones with a grayish trunk and a brown disk lost beneath the olive-colored tresses of their tentacles.
Sobre aquel suelo rocoso y volcánico se desplegaba toda una fauniflora viviente: esponjas; holoturias; cidípidos hialinos con cirros rojizos que emitían una ligera fosforescencia; beroes, vulgarmente conocidos como cohombros de mar, bañados en las irisaciones del espectro solar; comátulas ambulantes, de un metro de anchura, cuya púrpura enrojecía el agua; euriales arborescentes de gran belleza; pavonarias de largos tallos; un gran número de erizos de mar comestibles, de variadas especies, y actinias verdes de tronco grisáceo, con el disco oscuro, que se perdían en su cabellera olivácea de tentáculos.