Monotheca hyalina (Bale, 1882)

Monotheca hyalina. A, part of robust stem from cool temperate waters with intranodal septa; B, part of slender stem fromtemperate waters with no intranodal septa; C, hydrocladium and hydrotheca, lateral view; D, hydrocladium and hydrotheca, ventral view; E, gonotheca with female gonophore; F, apical stolonal plate; G, axillar hydrostatic pore; H, median inferior nematotheca; I, one of twin lateral nematothecae. Scale bar: A, B, 1 mm; C, D, 0.2 mm; E, 0.5 mm; G–I, 0.1 mm.

From Watson, J.E. (2011). Review of the genus Monotheca (Hydrozoa: Leptolida) from Australia with description of a new species and a note on Monothecella Stechow, 1923. Memoirs of Museum Victoria 68: 71-91

Photographer: Watson, Jeanette. Publisher: Watson, Jeanette.