Miniaturization in Otothyris Myers, 1927 (Loricariidae: Hypoptopomatinae)

Miniaturization in Otothyris Myers, 1927 (Loricariidae: Hypoptopomatinae)

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Many species of freshwater fishes are considered miniatures, nevertheless, their identification as miniatures is frequently based only on an arbitrary criterion of small body size.Although some species of Otothyris had Hunting Shorts been suggested to be miniature, informations about the process and consequences of miniaturization in the genus are lacking.Here, we detail developmental events of loss, fusion, and modifications in several bones, the laterosensory system, and even the brain, that in sum demonstrate miniaturization in all species of the genus.

Our results may be useful in the recognition of other miniature species Ignition Coils of loricariids.