アシロ科魚類Brotulotaenia nielseniの稚魚の発育と類縁関係

概要

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Ontogeny of the ophidiid fish, Brotulotaenia nielseni, is described based on seven specimens ranging from 10.0mm NL to 69.5mm SL, collected from tropical western Pacific. The so-called "rubaniform" is confirmed to represent larval stages of Brotulotaenia. Its selected features such as the slightly exterilium gut, enlarged first dorsal pteygiophore, unusually elongate ventral process of the coracoid, and peculiar structure of hypural plate are also observed and figured. Specialized larval morphs, i. e., rubaniform and exterilium (sensu Fraser and smith, 1974; currently ascribed to larval Lamprogrammus) are compared in detail and their close relationship is suggested. It is likely that the Brotulotaniinae is most close to some neobythitin genera including Lamprogrammus.
国立科学博物館の論文