Rhinobatos Nudidorsalis

📖 Overview

Offshore on insular shelves of the Central Indian Ocean, distribution probably restricted . Maximum size is actually unknown, presumably a small- to moderate-size species given that the half-meter holotype is sexually mature . Biology is unknown, more specimens needed .

🔬 Taxonomy

🐟 Physical Description

This species is distinguished by the following characters: no thorns on upper surface of the disc, with tail and unpaired fins almost entirely naked; a small, elongate to oval-shaped denticle patch across a naked upper caudal peduncle and upper caudal-fin lobe; a wedge-shaped disc; moderately large orbit, exceeding 4% total length (TL); oblique nostrils, length 1.7 times internarial distance; anterior nasal flaps penetrating well into internarial space, but not almost united; posterior nasal flaps broad; ridges of rostral cartilages well separated dorsally and almost parallel; prebranchial sensory pore patch narrow, extending to first gill slit; postscapular sensory canal long with lateral pores, not grooved, extending almost to pectoral-fin insertions; low dorsal fins; pelvic-fin inner margin distinctly longer than its base; interdorsal distance less than 2.5 times first dorsal-fin base; 2 spiracular folds, outer is much larger than the inner one; caudal fin small with dorsal margin about 1.8 times preventral margin; 172 total vertebral centra; dorsal disc plain colored .: elongated.

🌀 Behaviour

Behavioural data for Rhinobatos Nudidorsalis is currently being reviewed.

🦐 Diet

Diet information for Rhinobatos Nudidorsalis is currently being compiled.

🥚 Reproduction

Reproduction data for Rhinobatos Nudidorsalis is currently being compiled.

🌍 Habitat & Distribution

Marine; demersal; depth range ? - 125 m . Tropical Central Indian Ocean: Mascarene Ridge.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

👥 Community & Contribute