Sertularella ellisii is a small to medium sized colonial hydroid with asymmetric short
branches. It was collected on Cystoseira sp. growing in Dwejra, Gozo. It has an
Atlantic-Mediterranean distribution.
This specimen was identified and described in detail (p. 189 & Fig. 5g)in the following
paper published (2013) by Soto Àngel and Peña Cantero.