APHOTOMARINE

An educational resource dedicated mainly to the photography
and diversity of marine life that can be found in coastal waters
and intertidal areas of Great Britain and Ireland by David Fenwick.

A-P-H-O-T-O Wildlife Stock Image Library
Sertularella tenella (Alder, 1857) - A sertulariid hydroid (Hydrozoa images)
Sertulariid hydroid
Sertularella tenella
- on trawled timber 1

Sertulariid hydroid
Sertularella tenella
- on trawled timber 2

Sertulariid hydroid
Sertularella tenella
- annulated hydrothecae 1

Sertulariid hydroid
Sertularella tenella
- colony with stolons 1

Sertulariid hydroid
Sertularella tenella
- colony with stolons 2

Sertulariid hydroid
Sertularella tenella
- annulated hydrothecae 2

Sertulariid hydroid
Sertularella tenella
- with 0.1mm division rule 1

Sertulariid hydroid
Sertularella tenella
- with 0.1mm division rule 2

Sertulariid hydroid
Sertularella tenella
- with 0.1mm division rule 3

Sertulariid hydroid
Sertularella tenella
- annulated hydrotheca 1

Sertulariid hydroid
Sertularella tenella
- annulated hydrotheca 2

A small number of specimens were found on timber containing Wood piddocks, Xylophaga dorsalis, that was caught offshore as a result of trawling. The wood was found in skip at Newlyn Harbour, Newlyn, Cornwall, 07.01.17.

Species kindly verified by Dr. Bernard Picton.

Sertularella tenella sertulariid hydroid sertulariidae Hydrozoa Images
The main objective of this website is in furthering environmental awareness and education through the medium of photography. To increase awareness and access to the wildlife of the region and help
people find and identify it. Sometimes the difference between species is obvious but many species can only be determined by observing microscopic characteristics that are specific to any one species.