Goniobranchus sinensis

Species Profile
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Goniobranchus sinensis
Author: (Rudman, 1985)
Order: Nudibranchia Family: Chromodorididae
Maximum Size: 20 mm
Sightings: Sunshine Coast
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Goniobranchus sinensis (Rudman, 1985)
In November of 2021 The Team undertook a live-aboard dive trip to the Capricorn Group, Great Barrier Reef. During that trip we recorded a specimen of Goniobranchus preciosus at Tryon Island. Upon return, this find had us thinking that perhaps some specimens we had found previously on the Sunshine Coast, that we had identified as Goniobranchus verrieri, might actually be lookalike species. A review of our data and closer examination of our G. verrieri images uncovered a number of misidentified examples including Goniobranchus sinensis.
Rudman’s 1985 description tells us that in Goniobranchus sinensis the mantle is elongate-oval and broadly overhangs the sides with only a small posterior portion of the foot left exposed when the animal is crawling. The mantle is translucent white and many specimens also exhibit small orange/brown spots. The very margin carries a narrow translucent white border, often difficult to discern, followed by successive bands of red then yellow. There may be a band of white glands just inside the yellow band.
The rhinophore stalks are transparent and often speckled in red. The clubs are red. The gill is translucent white with outer and inner edges being red along with many of the gill lamellae.
Previously known as Chromodoris sinensis it is included in the species listed as having been sequenced and subsequently removed from Chromodoris and placed in Goniobranchus by Johnson & Gosliner, 2012.
Originally described as Chromodoris sinensis.
David A. Mullins – January, 2022
References:
– Rudman, W. B., (1985). The Chromodorididae (Opisthobranchia: Mollusca) of the Indo-West Pacific: Chromodoris aureomarginata, C. verrieri and C. fidelis colour groups. Zoological Journal of the Linnean Society. 83: 241-299.
– Rudman, W. B., (2000, July 4) Chromodoris sinensis Rudman, 1985. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/chrosine and associated messages.
– Johnson, R. F. & Gosliner, T. M., (2012). Traditional taxonomic groupings mask evolutionary history: A molecular phylogeny and new classification of the chromodorid nudibranchs. PLoS ONE 7(4)
– Gosliner, T. M., Valde ́s, A ́. & Behrens, D. W. (2018). Nudibranch & Sea Slug Identification – Indo-Pacific, 2nd Edition. New World Publications, Jacksonville, Florida, USA.
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