Prey of D. coronata ; the hydroid Dynamena growing on Fucus serratus. Menai Strait, Wales. February 2010.

Species

Doto coronata

Photographer / copyright holder

I.F. Smith

Doto coronata. Length 13mm. Crimson blotching on mesial face of cerata. 3 or 4 rings of tubercles on each ceras. Internally, each tubercle has apical crimson spheroid and several sub-apical white granular bodies. LWS, Menai Strait, Wales. March 2010.

Species

Doto coronata

Photographer / copyright holder

I.F. Smith

Janolus hyalinus. r: rhinophore. a: cerata anterior to rhinophore contain no digestive gland. l: lateral cerata contain brown digestive gland in lower half. Papillae on face and apex of each ceras. Brown and yellow surface pigment. Hyaline green near base

Species

Janolus hyalinus

Photographer / copyright holder

I.F. Smith

Spawn of J. hyalinus. Length of mass 10mm. Spawn laid in May in refrigerator at 9° C, three weeks after adult collected on Menai Strait in April 2011. Each white ovoid contains many ova.

Species

Janolus hyalinus

Photographer / copyright holder

I.F. Smith

Rhinophores and sensory caruncle of J. hyalinus in Eliot. Eye at base.

Species

Janolus hyalinus

Photographer / copyright holder

I.F. Smith

Comparison of J. hyalinus and Sagartia troglodytes (Sea anemone). When found floating in its contracted state, this J. hyalinus was initially mistaken for a detatched sea anemone. In water’s edge, LWS, Menai Strait, Wales. April 2011.

Species

Janolus hyalinus

Photographer / copyright holder

I.F. Smith

Rhinophores and caruncle of Janolus hyalinus. Length 15mm. In water’s edge, LWS, Menai Strait, Wales. April 2011.

Species

Janolus hyalinus

Photographer / copyright holder

I.F. Smith

Lateral view of Janolus hyalinus. Length 15mm. Foot nearly transparent with pigment flecks on dorsal surface. Metapodium extending from posterior tapers rapidly to fine point. In water’s edge, LWS, Menai Strait, Wales. April 2011.

Species

Janolus hyalinus

Photographer / copyright holder

I.F. Smith

Janolus hyalinus. L. 15mm. 1: oral tentacle arising from small oral veil. Transparent sole reveals; 2–2: pale grey channel linking cerata. 3: buccal mass. 4: stomach. 5: ovotestis. 6-6: brown anal tract. LWS, Menai Strait, Wales. April 2011.

Species

Janolus hyalinus

Photographer / copyright holder

I.F. Smith

Janolus hyalinus. Length 15mm. Translucent cerata shade hyaline green basally. Cerata extend across anterior and posterior to completely surround brown dorsum. Floating in water’s edge, LWS, Menai Strait, Wales. April 2011.

Species

Janolus hyalinus

Photographer / copyright holder

I.F. Smith

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