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Larvae and juveniles of the plunderfishes Artedidraco shackletoni and A. skottsbergi (Notothenioidei, Artedidraconidae) from the Indian sector of the Southern Ocean

TitreLarvae and juveniles of the plunderfishes Artedidraco shackletoni and A. skottsbergi (Notothenioidei, Artedidraconidae) from the Indian sector of the Southern Ocean
Type de publicationJournal Article
Year of Publication2009
AuteursMoteki, M, Koubbi, P, Pruvost, P, Tavernier, E
JournalPolar Biology
Volume32
Pagination123–128
ISSN0722-4060
Résumé

Early life stages of Artedidraco skottsbergi and A. shackletoni were collected off Ad,lie Land. The morphology and pigmentation pattern of nine larvae and juveniles of A. skottsbergi between 17.2 and 21.4 mm in standard length (SL), and of two juveniles of A. shackletoni measuring 25.1 mm SL were described. A. skottsbergi was characterized by a heavily pigmented body, except for the caudal peduncle, with distinctively dense pigmentation on the ventrolateral half of the body and caudal section (17.2-17.9 mm SL). Furthermore, they had no pigmentation on the pectoral fin base until they attained 21.4 mm SL. Juvenile A. shackletoni had a heavily pigmented body except for the ventral side of the abdomen and the anal fin base. The proximal part of the dorsal fin and most of the anal fin were covered with melanophores. Although knowledge of larval and juvenile Artedidraco species is limited, the distribution of melanophores on the fins, pectoral fin base and caudal peduncle at each developmental stage may be useful for species identification.

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DOI10.1007/s00300-008-0512-2