Limapontia senestra | The Conchological Society of Great Britain and Ireland

<p><em>Limapontia senestra</em> (Quatrefages, 1844)</p>

Limapontia senestra. Illustration from Eliot, 1910. Ridges behind rhinophores are occasionally seen on live animals, but rarely, if ever, as pronounced as in this image.

Species

Limapontia senestra

Photographer / copyright holder

I.F. Smith

Limapontia senestra. Length 1.5mm (top left): rhinophores starting to grow. Length 3mm: pale digitiform rhinophores over halfway developed, low anterior rib. Specimen with much white pigment on anterior. Sept. 2012. N. coast, Anglesey.

Species

Limapontia senestra

Photographer / copyright holder

I.F. Smith

Limapontia senestra. 3.5mm when extended (dorsal view). Pale quincunx (5 dots as on dice) on dorsum. Pale digitiform rhinophores and eye patches. Head and rhinophores contracted in lateral image. Sept. 2012. N. coast, Anglesey.

Species

Limapontia senestra

Photographer / copyright holder

I.F. Smith

Limapontia senestra. 2.5mm. Orange ovotestis visible, so mature? Digitiform rhinophores over halfway developed, no anterior vane. Periphery of foot translucent white with opaque white marks. September 2012. MHWS pool, N. coast, Anglesey.

Species

Limapontia senestra

Photographer / copyright holder

I.F. Smith

Limapontia senestra. Adult, about 5.5mm long, with bursal swelling on right. Four yellow and white ova; 0.4mm diameter, largest opisthobranch ova on record (Thompson 1976). Fleet lagoon, Dorset, England.

Species

Limapontia senestra

Photographer / copyright holder

Jann Vendetti

Limapontia senestra. Strands of Cladophora lack cell walls; divided by cross walls into large compartments. Terminal compartments individually emptied of protoplasm by piercing and suction of Limapontia senestra. Sept. 2012. N. coast, Anglesey.

Species

Limapontia senestra

Photographer / copyright holder

I.F. Smith

Limapontia senestra. L. 2.5mm. Black pigment not dense; green digestive gland shows. Dorsal pattern undeveloped. Whitish rhinophores, eye patches and metapodium; some details resemble L. capitata, but reared to typical L. senestra adult. Sep 2012 Anglesey

Species

Limapontia senestra

Photographer / copyright holder

I.F. Smith

Limapontia senestra. Immature specimens. r: rhinophore. v: vane in front of rhinophore. Dorsal and dorso-lateral pale marks distinct; some coalescing into lines. Uncertain if vane found on populations other than in Fleet lagoon, Dorset. August 2003.

Species

Limapontia senestra

Photographer / copyright holder

H.C.Marshall

Limapontia senestra. Mature specimen; r: digitiform rhinophore and slight ridge behind it; b: bulge marks position of bursa copulatrix; c: constriction in metapodium (sometimes). Immature specimen; vane in front of rhinophore. Fleet, Dorset. Aug. 2003.

Species

Limapontia senestra

Photographer / copyright holder

H.C.Marshall

Cladophora; foodplant of Elysia viridis, Limapontia senestra and Limapontia capitata. In rock pool, Lleyn Peninsula, Wales.

Species

Limapontia senestra

Photographer / copyright holder

I.F. Smith

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