Animals world Level 3 (P1-A5)
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Chromodoris kalawakan is a nudibranch that has only been described in 2020. It is completely white with a fine red border on its mantle and red tips on the rhinophores. This one was about 10mm long.
Chromodoris magnifica can reach a maximum size of 60 mm (2.4 in) in length. The body is elongate with a foot which is distinct from the upper body by a skirt like mantle hiding partially the foot. The branched gills and the rhinophores are orange colour and can be withdrawn into specific pockets under the skin in case of danger. The specific epithet magnifica in Chromodoris magnifica means magnificent, so-named because of this nudibranch's striking, vibrant colors.
The background colour of the body is bluish white which varies in intensity from one specimen to another. On the mantle, the bluish area is outlined by two continuous black lines and a median continuous line crosses it also. These bluish parts are often marked with dash-like black lines. The margin of the mantle is bordered with a large white band with a central orange colour line, the width of these lines is variable for each specimen. The foot has three black continuous longitudinal lines. Its background colour is the same as its mantle. The margin of the foot is outlined by an orange and a white line. (Wikipedia)
Mabini, South Luzon, Philippines
Chromodoris quadricolor is a species of very colourful sea slug, a dorid nudibranch, a marine opisthobranch gastropod mollusc.The specific epithet quadricolor means four-coloured, so-named because this nudibranch is yellow, white, blue and black in color. This dorid nudibranch was described from the Red Sea where it is one of the commonest nudibranchs. It has been reported from other localities in the Western Indian Ocean. This species feeds on the red sponge Negombata magnifica or toxic fingersponge. Nuweiba, South Sinaï, Egypt.
Against the current, this beautyful, crature is looking for a Partner.
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Goniobranchus leopardus can reach a maximum size of 6 cm length. The body is elongate with a foot which is distinct from the upper body by a large skirt like mantle hiding the foot. The top of the mantle is brownish with dark spots circled with white. The margin of the mantle is white with at the external border a fine purple to electric blue line. The rhinophores are lamellate and contractile, the base is white topped with blue to purple but they can also be white with a longitudinal blue to purple line. The branched gills have a whitish external side, the internal surface is golden. The H. tryoni resembles a lot, but the rhinophores are of a lighter colour and the dots are smaller without white centers. Lembeh Strait, North Sulawesi, Indonesia.
A beautiful and small nudibranch that is found in the tropical oceans of Australia and Asia where they live and feed on specific species of sponges. As they feed on these sponges they absorb toxic chemicals which they store in mantle glands and use to repel potential predators.
A common misconception is that the eyes of these dorid nudibranchs are found on-top of the 'eye-stalk-like structures' at the front. Those organs are called rhinophores, which are covered in sensory receptors to help the animal locate its food source. The eyes sit deeper in the body behind these structures and can not see images, only distinguishing light from dark.
The bushy structure at the back of them is the cerata, which has multiple functions including acting as a gill.
Chromodoris magnifica can reach a maximum size of 5 cm length. The body is elongate with a foot which is distinct from the upper body by a skirt like mantle hiding partially the foot. The branched gills and the rhinophores are orange colour and can be withdraw in specific pockets under the skin in case of danger.[4] The specific epithet magnifica in Chromodoris magnifica means magnificent, so-named because of this nudibranch's striking, vibrant colors.
The background colour of the body is bluish which intensity varies from a specimen to another. On the mantle, the bluish area is outlined by two continuous black lines and a median continuous line cross it also. These bluish parts are often marked with dash-like black lines. The margin of the mantle is bordered with a large white band with a central orange colour line, the width of these lines is variable for each specimen.
The foot has three black continuous longitudinal lines. Its background colour is the same as its mantle. The margin of basis foot is outlined by an orange and a white line.
This species is easily confused with the similar looking Chromodoris quadricolor. Chromodoris magnifica can be distinguished by its submarginal orange border. (EOL) Anilao, South Luzon, Philippines.