Hermaea bifida. Rhinophore enrolled tube, slit down one side. Brownish yellow inside. Exterior smooth, mahogany-red with few white spots, except distally translucent white with several white spots. Portland Harbour. April 2012.

Species

Hermaea bifida (Montagu, 1816)

Photographer / copyright holder

I.F. Smith

Hermaea bifida. Length 16mm. Underside of specimen found on Laminaria, away from foodplant. Starved, so colours faded to buff-yellow. Sublittoral, -5m. Orkney. August 1975.

Species

Hermaea bifida (Montagu, 1816)

Photographer / copyright holder

I.F. Smith

Hermaea bifida. Sole translucent showing white ovotestis spheroids, and pinkish red patch (buccal mass?). Anterior indented and laterally expanded, so bilobed. Lower rim of mouth is two swollen curved lobes separated by cleft. Portland Harbour. April 2012

Species

Hermaea bifida (Montagu, 1816)

Photographer / copyright holder

I.F. Smith

Hermaea bifida. Translucent white with maroon-red surface pigment on the head, along the flanks below the cerata, and on long slender metapodium. Internal pink-red patch (buccal mass?) visible below eye patch. Portland Harbour. April 2012.

Species

Hermaea bifida (Montagu, 1816)

Photographer / copyright holder

I.F. Smith

Hermaea bifida. Cerata arranged in indistinct groups of 1-3, the larger ones in each group positioned more dorsally than the small ones. g: branching red internal digestive gland. Portland Harbour, Dorset. April 2012.

Species

Hermaea bifida (Montagu, 1816)

Photographer / copyright holder

I.F. Smith

Hermaea bifida. Pronounced white pigment dorsally on pericardium near anterior of body. Dorsal anus to anterior of pericardium. Maroon-red metapodium and few reddish streaks on dorsum of body. Cerata held erect. Portland Harbour, Dorset. April 2012.

Species

Hermaea bifida (Montagu, 1816)

Photographer / copyright holder

I.F. Smith

Hermaea bifida. Cerata held over body. Scattered white pigment spots, concentrating into anterior longitudinal band on upper half of some cerata. Orange-red pigment on head. Portland Harbour, Dorset. April 2012.

Species

Hermaea bifida (Montagu, 1816)

Photographer / copyright holder

I.F. Smith

Hermaea bifida. Cerata splayed out exposing body. Slight white pigment dorsally on pericardium near anterior of body. Conspicuous dorso-lateral reddish digestive gland on each side, branching into each ceras. Portland Harbour, Dorset. April 2012.

Species

Hermaea bifida (Montagu, 1816)

Photographer / copyright holder

I.F. Smith

How much harm does collecting dead shells from beaches do?

Authors

Bas Payne

Issue

10

Page

10

Oestophora calpeana (Morelet, 1854): The Gibraltarian snail

Authors

Alex Menez

Issue

10

Page

9

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