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Related FAQs: Nudibranchs, Nudibranchs 2, Berghia Nudibranchs, Nudibranch Identification, Nudi ID 2, Nudi ID 3, Nudi ID 4, Nudibranch Behavior, Nudibranch Compatibility, Nudibranch Selection, Nudibranch Systems, Nudibranch Feeding, Nudibranch Disease, Nudibranch Reproduction, Sea SlugsSeaslugs 2, Snail ID 1, Snail ID 2, Snail ID 3

Related Articles: Dorid Nudibranchs pt. 1, Dorid et al. Nudibranchs pt. 2, Sea Slugs, Gastropods, Mollusks, Aiptasia/Glass Anemones

/The Conscientious Marine Aquarist

Nudibranchs, The Naked-Gill Sea Slugs, pt. 3 

To: Pt. 1, Pt. 2, Pt. 4, Pt. 5, Pt. 6, Pt. 7, Pt. 8, Pt. 9, Pt. 10

By Bob Fenner

Phyllodesmium longicirrum

Genus Glossodoris

Glossodoris atromarginata. East Africa, Red Sea to Japan, Indonesia. To 9 cm. N. Sulawesi pic. 

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Glossodoris cincta. Red Sea, Eastern Africa, Japan, Fiji. To 6 cm. N. Sulawesi pix. 

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Glossodoris cruentus Rudman 1986. Western Pacific. S. Sulawesi pix. 

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Glossodoris rufomarginata (Bergh, 1890). Red Sea, Eastern Africa, Fiji, Hawai'i. To 5 cm. N. Sulawesi pix. 

Glossodoris sedna. Red-tipped Dorid. White body, red tipped rhinophores and gills. Yellow and red margins on the foot. Cortez to Columbia. Puerto Vallarta 2015

Glossodoris stellatus. New Guinea, Indonesia. To 13 cm. Distinctive black bodied, white speckled animals. Found on flexible sponges in N. Sulawesi here. 

Glossodoris sp. N. Sulawesi pix. 

Genus Goniobranchus

Goniobranchus chochyliatus (Yonow 1984) Indian Ocean.  Mauritius 2016

Genus Hypselodoris: Similar to Chromodoris, but with longer, taller bodies, wider heads and more anterior rhinophores. 

Hypselodoris agassizii, Agassiz Nudibranch. Bluish black bodied with small irregular yellow dots; narrow black/blue band down the middle. To 1.5" length and 60 foot depths. Gulf of California to Ecuador. Di pic, Cabo 2016.

Hypselodoris bullockii, a too-common offering in the trade. Similar to, but can be separated from Chromodoris by the former's longer, taller body, broader heads and more anterior rhinophores. Further, Hypselodoris have their simple gills arranged in a circle around the anus. Aquarium images. 

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Hypselodoris carnea (Bergh, 1889). Raja Ampat.

Hypselodoris emma. Maldives, Vietnam, Indo. To 3 cm. N. Sulawesi image. 

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Hypselodoris ghiselini. Ghiselin's Sea Slug. Deep navy blue body color w/ numerous bright yellow spots (larger in the similar H. calforniensis). Rhinophores and gills similarly colored/marked. To 2.75 inches in length. On and under intertidal rocks. Poss. a Sea of Cortez endemic. Cabo 2016; Di pic.

Hypselodoris infucata or obscura. Eastern Africa to Australia, Philippines. To 4 cm. N. Sulawesi pic. 

Hypselodoris nigrostriata. Oman, Chagos Islands, Thailand. To 4 cm. Yellow bodies, purple lines, red rhinophores and gills... N. Sulawesi image. 

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Hypselodoris whitei (Adams & Reeve 1850). Phil Sokol pic in PNG

Genus Mexichromis:

Mexichromis mariei Raised purple pustules on dorsum. West Pacific. Bali 2014

Genus Risbecia

Risbecia pulchella (Ruppell & Leuckart 1828). Indian Ocean; East Africa, Red Sea. Relatively common. To 10 cm., often encountered as pairs engaged in "trailing behavior" as here in the Red Sea.

http://www.seaslugforum.net/risbpulc.htm

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Risbecia tryoni (Garrett 1873). Indo-Pacific; Tanzania to Indonesia, Japan. N. Sulawesi images. 

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Family Dendrodoridae:

Dendrodoris tuberculosa (Quoy & Gaimard 1832), the Tuberculous Nudibranch. Indo-Pacific. To six inches in diameter. Broadly roundish, flat in profile with rosette like structure over the dorsum. Reportedly produces substance/s that cause eye irritation if handled. Hawai'i (Kona) photo. Live in exposed rock areas with good sponge cover. 

Family Discodoridae:

Genus Jorunna:

Jorunna funebris (Kelaart 1858). White body with fuzzy black rings,. To 10 cm. in length. Typically found with the blue sponge Haliclona sp. on which it feeds. Raja Ampat 08

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Jorunna rubescens (Kelaart 1858). Pale tan with whitish spots, brown-reddish lines. To 20 cm./8" in length. Bali 2014

Family Gymnodorididae

Gymnodoris ceylonica. Red Sea over to Japan and Australia. To two inches in length. This one in the Maldives. 

Family Dorididae... Halgeridae: Genera Halgerda, Sclerodoris, Aphelodoris, Asteronotus, Artachaea

Genus Halgerda: Typically smooth, hemispherical appearing, slimy to the touch. Rhinophores and gills white, with yellow and black markings. 

Halgerda carlsoni Rudman 1978. Northern Australia, Indonesia. To two inches in length. Black rhinophores and gills. Bunaken/Manado/Sulawesi/Indonesia image.

Halgerda malesso. Philippines, Indonesia, Guam, Mariana Islands. To 7 cm. Feed on sponges. N. Sulawesi pix. Note black emarginated rhinophores. 

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Halgerda terramtuentis Bertsch & Johnson 1982, the Gold Lace Nudibranch. Hawaiian endemic. Michelle Lemech photo taken there.

Halgerda tesselata, Madagascar, Thailand, Micronesia, Australia. To an inch and a half in length. Image made off of Pulau Redang, Malaysia. 

Halgerda species. Malaysia, Northern Sulawesi (possibly elsewhere in the Pacific). To about 3.5 cm. N. Sulawesi pic. 

Family Hexabranchidae: Monotypic; the Spanish Dancer. 

Hexabranchus sanguineus (Ruppel & Leuckart 1828), the Spanish Dancer. Large animal with a prominent mantle. A notable swimmer when frightened. Laminar rhinophores. Partially retractable second gills. Oral tentacles large, flap-like. Red Sea, Indo-Pacific, including Hawaii, Atlantic. Eats sponges, worms, slugs and echinoderms in the wild. This one photographed in the Cooks. Egg bundle in Malaysia. 


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Family Notodoridae: 

Notodoris (now Aegires?) minor Eliot 1904. East Africa to the Solomon Islands. To three and a half inches in length. Feeds on sponges. One off of Queensland, Australia, and a pair consuming an Alcyoniid soft coral in N. Sulawesi. 

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Notodoris sp. (serenae?). N. Sulawesi. 

http://www.seaslugforum.net/search.cfm?searchstring=notodoris

To: Pt. 1, Pt. 2, Pt. 4, Pt. 5, Pt. 6, Pt. 7, Pt. 8, Pt. 9, Pt. 10

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