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"Pertaining to the abdomen or belly; situated in or on the abdomen: as <em>abdominal<em> ventral fins."-Wright, 1902

Abdominal

"Pertaining to the abdomen or belly; situated in or on the abdomen: as abdominal ventral fins."-Wright,

"1. Spiny portion of dorsal fin. 2. Soft portion of dorsal fin. 3. Caudal fin. 4. Anal fin. 5. Pectoral fin. 6. Ventral fin. 7. Mandible or lower jaw. 8. Maxillary. 9. Opercle. 10. Cheek and Preopercle. 11. Lateral fin. 12. Snout. 13. Depth." -Foster, 1921

Small-Mouthed Black Bass

"1. Spiny portion of dorsal fin. 2. Soft portion of dorsal fin. 3. Caudal fin. 4. Anal fin. 5. Pectoral…

"A fin-spine; one of the unjointed and unbranched sharp bony rays of the fins, such as those the presence of which gives name to the acanthopterygian fishes; a spinous fin-ray, as distinguished for a soft ray." <p>Illustration of the ventral fin of the acanthopterygian fish.

One Spine on the Ventral Fin of a Bony Fish

"A fin-spine; one of the unjointed and unbranched sharp bony rays of the fins, such as those the presence…