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 polyzonias (Linnaeus, 1758) - A sertulariid hydroid (Hydrozoa images)
Scroll down and rollover titles to change screen image or click on title to view image.
Leptothecate hydroid
Sertularella polyzonias
- hydroid - fresh sample 1

Leptothecate hydroid
Sertularella polyzonias
- hydroid - fresh sample 2

Leptothecate hydroid
Sertularella polyzonias
- branches 1

Leptothecate hydroid
Sertularella polyzonias
- gonotheca 1

Leptothecate hydroid
Sertularella polyzonias
- gonotheca 2

Leptothecate hydroid
Sertularella polyzonias
- gonotheca 3

Leptothecate hydroid
Sertularella polyzonias
- hydrootheca 1

Specimen found attached to a rock on the floor of a crab boat in Newlyn Harbour. Specimen originally from off the Pendeen area of West Cornwall, 28.09.17.

Leptothecate hydroid
Sertularella polyzonias
- hydroid on Nemertesia 1

Leptothecate hydroid
Sertularella polyzonias
- hydroid on Nemertesia 2

Leptothecate hydroid
Sertularella polyzonias
- hydroid on Nemertesia 3

Leptothecate hydroid
Sertularella polyzonias
- hydrothecae 1

Leptothecate hydroid
Sertularella polyzonias
- hydrothecae 2

Specimen above found attached to the hydroid Nemertesia antennina in a fish box full of small Gurnard at Newlyn Fish Market, Newlyn, Cornwall, 23.01.17. Found as marine debris.

The starfish Astropecten irregularis and Crossaster papposus; and the hydroid Diphasia alata was also found in the same fish box of Gurnard.

Species kindly verified by Dr. Bernard Picton.

Sertularella polyzonias 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.