Figure 2. Salacia tetracythara Lamouroux, 1816 in First record of Salacia tetracythara Lamouroux, 1816 (Hydrozoa, Sertulariidae) as an alien hydroid for the Atlantic Ocean

Figure 2. Salacia tetracythara Lamouroux, 1816, two colonies found in estuary of Sergipe River, northeast Brazil: CZUFS CNI-00065 (A) and CZUFS CNI-00066 (B). Details of first pair of hydrothecae from one hydrocladium of first colony (C). Details of second colony: terminal region of two hydrocladia showing tendrils (D); stem and three parts of hydrocladia (E); first pair of hydrothecae from one hydrocladium (F). Red arrows showing thin triangular to ovoid adcauline spaces. Scales: A = 5 mm; B = 2 mm; C = 200 µm; D-E = 500 µm; F = 100 µm.