ACIPENSER

AC'IPENSER, adjective In ichthyology, a genus of fishes, of the order of chondropterygii, having an obtuse head; the mouth under the head, retractile and without teeth. To this genus belong the sturgeon, sterlet, huso, etc.

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‖Ac′i‐pen″ser (�), n. [] (Zoöl.) A genus of ganoid fishes, including the sturgeons, having the body armed with bony scales, and the mouth on the under side of the head. See Sturgeon.