Abnormalities in Body Shape

PHOTO

Anterior end of Glossodoris hikuerensis from Kwajalein, Marshall Islands, showing three rhinophores. See Scott Johnson's message. PHOTO: Jeanette Johnson.

Through developmental mistakes and after damage, animals sometimes grow a weird structure somewhere on their bodies.

Here is a list of relevant messages which are either attached below or elsewhere in the Forum.

• Oxynoe sp. 3 - 2 tails.
• Elysia crispata - bifurcate rhinophores.
• Elysia ornata - conjoined [Siamese] twins.
• Elysia papillosa - three rhinophores.
• Hopkinsia rosacea bifurcating rhinophore.
• Gymnodoris ceylonica fused rhinophores.
• Nembrotha chamberlaini single median rhinophore.
• Nembrotha kubaryana three rhinophores
• Nembrotha kubaryana misshapened rhinophore.
• Nembrotha purpureolineata  trifid rhinophore
• Hexabranchus sanguineus- 4 gills; 1 gill.
• Kentrodoris rubescens - rhinophore missing.
• Ceratosoma amoena - branching rhinophore.
• Ceratosoma amoena - trifid rhinophore.
• Ceratosoma tenue - dorsal horn absent; 1 rhinophore.
• Chromodoris africana / Glossodoris rufomarginata - mantle abnormality.
• Chromodoris annae - trifurcate rhinophore
• Chromodoris annae - abnormal mantle
• Chromodoris annae - abnormal mantle
• Chromodoris annae - abnormal mantle
• Chromodoris annulata - one rhinophore
• Chromodoris conchyliata - no gills.
  Chromodoris geometrica - gills beneath mantle skirt.
• Chromodoris gleniei - fused rhinophores.
• Chromodoris hamiltoni - bifid 'tail'
• Chromodoris hintuanensis- three rhinophores. 2nd record.
• Chromodoris kuniei - three rhinophores.
• Chromodoris kuniei - one rhinophore.
• Chromodoris kuniei- cone-shaped outgrowth on mantle. message 1, message 2
• Chromodoris kuniei - mantle abnormality.
• Chromodoris kuniei - one normal, one trifid rhinophore.
• Chromodoris leopardus, 2nd record - 2 anterior mantle flaps.
• Chromodoris leopardus - mantle damage.
• Chromodoris lochi - 3 rhinophores.
• Chromodoris lochi - 2 sets of gills.
• Chromodoris magnifica - 3 rhinophores.
• Chromodoris magnifica - cone-shaped outgrowth on mantle.
• Chromodoris obsoleta - 3 rhinophores
• Chromodoris orientalis - two heads.
• Chromodoris quadricolor - cone-shaped outgrowth on mantle.
• Chromodoris quadricolor - abnormal mantle
•  Chromodoris strigata - mantle abnormality.
• Chromodoris tinctoria: - mantle abnormality; - rhinophore abnormality; mantle damage & regrowth.
• Chromodoris verrieri - mantle abnormality.
• Chromodoris willani - 1 rhinophore & cone-shaped growth.
• Chromodoris willani -  cone-shaped growth.
• Durvilledoris pusilla  - bifid rhinophores
• Glossodoris atromarginata - 4 rhinophores.
• Glossodoris atromarginata - fused rhinophore pockets.
• Glossodoris cincta - 1 rhinophore.
• Glossodoris cruenta - gills beneath mantle skirt
• Glossodoris hikuerensis - 3 rhinophores
• Glossodoris sedna - 4 rhinophores
• Hypselodoris apolegma - abnormal gills.
• Hypselodoris emma - mantle abnormality.
• Hypselodoris fontandraui - abnormal gill branching
• Hypselodoris picta - mantle abnormalities or damage.
• Hypselodoris zephyra - bifid rhinophore.
• Hallaxa iju - rhinophores joined.
• Noumea haliclona - fused rhinophores.
• Risbecia pulchella - no gills.
• Risbecia tryoni - cone-shaped growth between rhinophores.
• Thorunna africana - body damage
• Phyllidia ocellata - 1 rhinophore.
• Phyllidiopsis shireenae - damaged anterior end.
• Reticulidia fungia - double rhinophores.
• Cuthona sibogae - branched oral tentacle.
• Phyllodesmium longicirrum - regrown cerata without dig. gland.
• Phyllodesmium macphersonae - cerata with secondary tips.
• Phyllodesmium magnum - cerata with double tips.
• Phidiana hiltoni - 4 rhinophores.
• Phidiana hiltoni - bifid oral tentacle.
• Pteraeolidia ianthina - 4 rhinophores
• Flabellina bicolor - two pairs of oral tentacles.
• Flabellina exoptata - fused rhinophores.
• Flabellina pedata - bifurcating oral tentacles.
• Flabellina pedata- one bifurcating oral tentacle; [Record 2 ]
• Dirona albolineata - 3 rhinophores.

Authorship details
Rudman, W.B., 2000 (January 28) Abnormalities in Body Shape. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/abnormal

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