Abstract
D 39-57, A 23-37 rays, dorsalscutes 11–17, lateral scutes 49–74 and ventral scutes 11–17. Body elongated with greatest depth occurring at first dorsalscute which is unusually large in relation to other scutes. Rostrum rounded and perfectly conical in shape in adultsbut somewhat more spatulate in juveniles, usually 32–44% of head length. Two pairs of fimbrated barbels, originatingslightly closer to mouth than tip of rostrum. Mouth inferior with upper lip barely indented and unlike any acipenserid,lower lip uninterrupted. Pectoral fins are large with strongly ossified leading edge. Adults have a peppering of smalldenticles covering their body but it is so fine as to give a smooth overall appearance and feels sand paper-like to thetouch. Scutes lack a prominent hook appendage, even in juveniles it is barely noticeable. Lateral scutes tightly arrangedand seem small compared to other acipenserids except
Paper version not known (
Free)
Published Version
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call