Chelidonura livida
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Ordo: Cephalaspidea
Familia: Aglajidae
Genus: Chelidonura
Name
Chelidonura livida Yonow, 1994 – Wikispecies link – Pensoft Profile
- Aglaja cyanea (nigra): Engel and van Eeken 1962[1] (part): 17, E55/342 (Red Sea).
- Chelidonura africana : Yonow 1990[2]: 289, pl. 4 (Red Sea; misidentification).
- Chelidonura livida Yonow, 1994a: 141–147, Fig. 1 (Eilat, Red Sea): Yonow 2008[3]: 78–79, includes five figures (Gulf of Eilat, Red Sea).
Photographic record
SAASC Al-Khiran, 13 June 2012, one individual photographed at 3 m depth in sandy substrate, R. Dinesh Kumar.
Description
The individual has a black body colour, prominent electric blue spots scattered over the dorsum, head, and parapodia (Fig. 2). White flecks interspersed with electric blue spots are found on the head and along the edges of the parapodia. The caudal flaps are unequal with the left longer than the right, and with an electric blue spot at the base of the left caudal flap (see Fig. 2). The blue spots on the anterior portion of the propodium form a coalescent line which is partly visible in this individual (Fig. 2).
Distribution
Israel (Yonow 1994a[4], 2008[3]), Abu Dhabi (Hardy 2001[5]), Mayotte Island (http://seaslugs.free.fr/nudibranche/a_cheli_livida.htm), Tanzania and Mozambique (Gosliner et al. 2008[6]; Tibiriçá and Malaquias 2017[7]), and Kuwait (this study).
Remarks
Yonow (1994a)[4] described Ch. livida from Eilat, Israel, in the north-eastern Red Sea. In Ch. livida, both sides of the mouth bear whitish or yellowish sensory bristles which is visible in the frontal view or if viewed from above (Yonow 1994a[4]); however, it is not clearly visible in the photograph of the individual presented in this study due to the angle at which it was photographed (Fig. 2). The head shield has two short processes on its lateral side, which is bit longer in the left compared to the right side and tubular when the animal is in relaxed state (Yonow 1994a[4]). This was clearly observed in the individual recorded in this study (Fig. 2). The individual recorded from Mozambique (Tibiriçá and Malaquias 2017[7]: fig. 2f) has prominent electric blue rings that are scattered over the dorsum and parapodial margin. The caudal flaps are rather thin, the right one short and the left one elongated with a prominent electric blue spot. However, the individual observed in this study has short and thick caudal flap with a thin, pointed tip and a blue spot at its base (Fig. 2). The species possesses a highly reduced internal shell. This is a new record to both Kuwait and the APG, this record denoting a range extension into the northern APG from its type locality in the Red Sea.
Taxon Treatment
- Nithyanandan, M; Al-Kandari, M; Mantha, G; 2021: New records of nudibranchs and a cephalaspid from Kuwait, northwestern Arabian Gulf (Mollusca, Heterobranchia) ZooKeys, 1048: 91-107. doi
Images
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Other References
- ↑ Engel E, van Eeken C (1962) Red sea Opisthobranchia from the coast of Israel and Sinai.Bulletin of Sea Fisheries Research Station, Israel30: 15–34.
- ↑ Yonow N (1990) Red Sea Opisthobranchia 3: the orders Sacoglossa, Cephalaspidea and Nudibranchia: Doridacea (Mollusca: Opisthobranchia).Fauna of Saudi Arabia11: 286–299.
- ↑ 3.0 3.1 Yonow N (2008) Sea Slugs of the Red Sea.Pensoft Publications, Sofia/Moscow, 304 pp.
- ↑ 4.0 4.1 4.2 4.3 Yonow N (1994a) A new species and a new record of Chelidonura livida from the Red Sea (Cephalaspidea: Aglajidae).Journal of Conchology35: 14–147.
- ↑ Hardy P (2001) (May 15) Chelidonura livida from United Arab Emirates. Sea Slug Forum, Australian Museum, Sydney. http://www.seaslugforum.net/find/4261 [Accessed on 10.06.2021]
- ↑ Gosliner T, Behrens D, Valdés A (2008) Indo-Pacific Nudibranchs and Sea Slugs. A field guide to the world’s most diverse fauna.Sea Challengers Natural History Books and the California Academy of Sciences, California, 426 pp.
- ↑ 7.0 7.1 Tibiriçá Y, Malaquias M (2017) The bubble snails (Gastropoda, Heterobranchia) of Mozambique: an overlooked biodiversity hotspot.Marine Biodiversity47: 791–811https://doi.org/10.1007/s12526-016-0500-7
