Verconia romeri

Species Profile
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Verconia romeri
Author: (Risbec, 1928)
Order: Nudibranchia Family: Chromodorididae
Maximum Size: 20 mm
Sightings: Sunshine Coast
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Verconia romeri (Risbec, 1928)
The majority of Verconia species of nudibranch are small and Verconia romeri is no exception, growing to a reported maximum size of 20 mm, but more often sighted much smaller at less than 10 mm.
Verconia romeri has a smooth and uniformly pink mantle bordered with a narrow opaque white line. The foot and tail are also pink (often paler) but do not possess that white border, however the tail may exhibit a translucent white tip. The mantle carries large, dorsally opening defensive glands in a submarginal band.
The rhinophore stalk is translucent with the club being either entirely orange or at least for the distal half. The retractile gills form a circle around the anus and are translucent with orange edging. Close observation reveals that the gills vibrate when the animal is on the move.
Rudman reports that Verconia romeri appears to feed upon a pink sponge of the Darwinella genus.
Distribution is essentially Western Pacific. Coleman reports it from as far north as Japan to the Solitary Islands and Lord Howe Island of NSW in the south.
Originally described as Noumea romeri from specimens collected at Noumea, New Caledonia, South West Pacific. Species of Noumea were transferred to Verconia in 2015 when it was realized that the genus Noumea was previously occupied.
David A. Mullins – September, 2021
References:
– Rudman, W. B. (1984). The Chromodorididae (Opisthobranchia: Mollusca) of the Indo-West Pacific: a review of the genera. Zoological Journal of the Linnean Society, 81: 115-273.
– Rudman, W. B. (1995). The Chromodorididae (Opisthobranchia: Mollusca) of the Indo-West Pacific: further species from New Caledonia and the Noumea romeri colour group. Molluscan Research, 16: 1-43.
– Marshall, J. G. & Willan, R. C. (1999). Nudibranchs of Heron Island, Great Barrier Reef: A survey of the Opisthobranchia (sea slugs) of Heron and Wistari Reefs; Backhuys: Leiden, The Netherlands.
– Rudman, W. B., (2000, March 14). Noumea romeri Risbec, 1928. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/noumrome
– Rudman, W. B. & Bergquist, P. R. (2007). A review of feeding specificity in the sponge-feeding Chromodorididae (Nudibranchia: Mollusca). Molluscan Research, 27(2): 60-88.
– Coleman, N. (2008) Nudibranchs Encyclopedia. Neville Coleman’s Underwater Geographic Pty Ltd, Springwood, Qld.
Other Sea Slugs in this Family (sighted)
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Ardeadoris angustolutea
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Ardeadoris averni
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Ardeadoris egretta
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Ardeadoris electra
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Ardeadoris rubroannulata
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Ardeadoris sp. 01
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Ardeadoris symmetrica
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Cadlinella ornatissima
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Ceratosoma amoenum
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Ceratosoma sp. 01
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Ceratosoma sp. 02
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Ceratosoma tenue
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Ceratosoma trilobatum
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Chromodoris annae
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Chromodoris aspersa
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Chromodoris burni
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Chromodoris colemani
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Chromodoris elisabethina
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Chromodoris joshi
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Chromodoris kuiteri
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Chromodoris lochi
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Chromodoris magnifica
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Chromodoris sp. 02
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Chromodoris sp. 03
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Chromodoris sp. 05
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Chromodoris strigata
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Chromodoris willani
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Diversidoris aurantionodulosa
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Diversidoris cf. aurantionodulosa
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Diversidoris crocea
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Diversidoris flava
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Diversidoris sp. 01
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Diversidoris sp. 02
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Diversidoris sp. 03
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Doriprismatica atromarginata
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Doriprismatica dendrobranchia
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Doriprismatica sibogae
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Glossodoris aeruginosa
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Glossodoris hikuerensis
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Glossodoris rufomarginata
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Glossodoris sp. 03
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Glossodoris sp. 04
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Glossodoris sp. 05
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Glossodoris vespa
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Goniobranchus albonares
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Goniobranchus albopunctatus
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Goniobranchus alius
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Goniobranchus aureopurpureus
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Goniobranchus coi
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Goniobranchus conchyliatus
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Goniobranchus daphne
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Goniobranchus decorus
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Goniobranchus fidelis
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Goniobranchus geometricus
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Goniobranchus kuniei
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Goniobranchus leopardus
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Goniobranchus preciosus
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Goniobranchus rufomaculatus
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Goniobranchus sinensis
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Goniobranchus sp. 01
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Goniobranchus sp. 02
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Goniobranchus sp. 03
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Goniobranchus sp. 04
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Goniobranchus sp. 05
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Goniobranchus sp. 06
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Goniobranchus sp. 07
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Goniobranchus sp. 08
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Goniobranchus sp. 09
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Goniobranchus sp. 10
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Goniobranchus splendidus
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Goniobranchus tinctorius
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Goniobranchus verrieri
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Hypselodoris apolegma
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Hypselodoris babai
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Hypselodoris bennetti
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Hypselodoris bullockii
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Hypselodoris decorata
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Hypselodoris emma
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Hypselodoris iacula
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Hypselodoris imperialis
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Hypselodoris jacksoni
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Hypselodoris lacuna
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Hypselodoris maculosa
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Hypselodoris maritima
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Hypselodoris melanesica
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Hypselodoris obscura
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Hypselodoris roo
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Hypselodoris sagamiensis
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Hypselodoris sp. 02
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Hypselodoris sp. 04
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Hypselodoris sp. 06
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Hypselodoris sp. 08
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Hypselodoris sp. 09
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Hypselodoris sp. 10
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Hypselodoris tryoni
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Hypselodoris variobranchia
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Hypselodoris whitei
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Hypselodoris zephyra
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Mexichromis aurora
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Mexichromis cf. multituberculata
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Mexichromis festiva
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Mexichromis macropus
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Mexichromis mariei
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Mexichromis pusilla
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Mexichromis trilineata
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Miamira magnifica
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Miamira moloch
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Miamira sinuata
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Thorunna australis
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Thorunna daniellae
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Thorunna florens
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Thorunna furtiva
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Thorunna halourga
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Thorunna montrouzieri
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Thorunna sp. 01
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Thorunna sp. 02
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Thorunna sp. 04
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Thorunna sp. 05
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Thorunna sp. 06
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Thorunna sp. 07
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Verconia alboannulata
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Verconia cf. varians
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Verconia decussata
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Verconia haliclona
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Verconia laboutei
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Verconia norba
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Verconia romeri
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Verconia simplex
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Verconia sp. 02
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Verconia sp. 03
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Verconia sp. 04
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Verconia sp. 05
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Verconia varians
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Verconia verconiforma