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1 June 2021 New record of Ectreposebastes niger (Fourmanoir, 1971) (Setarchidae, Scorpaeniformes): a rare bathypelagic fish from La Pérouse Seamount, Western Indian Ocean, and distribution of Ectreposebastes Garman, 1899 in the Indian Ocean
Evgeny V. Romanov, Yves Cherel, Francis Marsac
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Abstract

A new record of a rare deep-water scorpionfish Ectreposebastes niger (Fourmanoir, 1971), is described from the south-western Indian Ocean. This is the ninth record in the Indian Ocean and the first documented record of this species in the waters of Reunion Island. It is also the first record of this species in the Indian Ocean since 1982. Its congener, Ectreposebastes imus Garman, 1899 is more common: together with non-published records from museums and online databases the number of verified Indian Ocean records exceeds 15 individuals. Both species are pseudo-oceanic, usually associated with continental and peri-insular slopes and seamounts between 200 and 1300 m depth, occupying a wide range of habitats from demersal to pelagic in the meso- and bathypelagic zones.

© Publications scientifiques du Muséum national d'Histoire naturelle, Paris.
Evgeny V. Romanov, Yves Cherel, and Francis Marsac "New record of Ectreposebastes niger (Fourmanoir, 1971) (Setarchidae, Scorpaeniformes): a rare bathypelagic fish from La Pérouse Seamount, Western Indian Ocean, and distribution of Ectreposebastes Garman, 1899 in the Indian Ocean," Zoosystema 43(15), 283-296, (1 June 2021). https://doi.org/10.5252/zoosystema2021v43a15
Received: 28 January 2020; Accepted: 9 September 2020; Published: 1 June 2021
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KEYWORDS
Deepwater habitat
fish morphology
genetic analysis
new record
otoliths
pelagic occurrence
pseudo-oceanic species
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