Nembrotha Nudibranchs Species Showdown

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Nembrotha Nudibranchs Species Showdown SPECIES SPOTLIGHT Species Showdown: Kubaryana vs.Cristata By Dave Harasti NEMBROTHA KUBARYANA NEMBROTHA CRISTATA Taxonomy Family Polyceridae Family Polyceridae Distribution Found through out the Tropical Indo-West Pacific and Found throughout the Tropical Indo-West Pacific recorded in Indonesia, Philippines, northern Australia, and recorded in Malayasia, Maldives, Indonesia, Malayasia, Mauritius, Solomon Islands, East Timor and Philippines, Papua New Guinea, Taiwan, Guam, Great Papua New Guinea. Barrier Reef and Solomon Islands. Morphology This large nudibranch species can show a considerable Similar in size and appearance to Nembrotha variety in colour. It is generally black with green kubaryana, cristata can be recognised by the green pustules, or green longitudinal ridges. A bright orange border on the mantle foot and lacks the orange/ border to the foot can also be seen. Around the base red colouration that can be seen on Nembrotha of the rhinophores there is generally an orange circle kubaryana. In addition, this species has a green and in some animals the rhinophores and gills have border to its foot. The rhinophores are black with a orange or green markings. green circle at the base whilst the gills are black and green. Size Maximum length of approximately 12 cm. Maximum length of approximately 7 cm. Food Known to feed on ascidians such as the colonial Also feeds on ascidians including the colonial blue ascidian (Clavellina moluccensis), the ascidian ascidian (Clavellina moluccensis), the Atapozoa sp. Sigillina signifera and the compound ascidian ascidian and a green compound ascidian (Eudistoma (Lissoclinum patella). olivaceum). Interesting Nembrotha sp. nudibranchs are a great find for photographers as they are generally large in size and brightly Facts coloured. They can often be found ‘standing up’ and ‘sniffing’ for their next source of food or a mate. The Nembrotha genus has at least 14 different species with the most similar looking species being Nembrotha milleri (green coloured body with lines rather than pustules) and Nembrotha guttata (also called Nembrotha yonowae), which has a body covered in orange/red pustules. DavE HarasTI (daveharasti.com) is a marine scientist and passionate underwater photographer 104 ScubaDiverAA.com.
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