Austin's guitarfish (Rhinobatos austini) is a ray-finned fish of the family Rhinobatidae. It inhabits marine (saltwater) waters in pelagic environments. This species can reach a maximum total length of 115 cm. With a trophic level of 3.8, it is a mid-level predator. It is assessed as Data Deficient on the IUCN Red List.
This species is distinguished by the following set of characters: no prominent thorns or tubercles on dorsal surface; distinct colour pattern of paired spots of differing sizes, some forming darker transverse bands across its back; ventral surface colour mostly white, without distinctive patterning except for a prominent teardrop-shaped black blotch extending posteriorly from rostral tip to about midpoint anterior to upper mouth; nasal lamellae 61-63; upper jaw tooth count about ca. 83-93; post-synarcual centra 177-181; total vertebral segments 193-198;total pectoral skeleton radials 67-71 .Cross section: flattened.
Behavioural data for Austin's guitarfish is currently being reviewed.
Diet information for Austin's guitarfish is currently being compiled.
Reproduction data for Austin's guitarfish is currently being compiled.
Marine; pelagic-neritic. Tropical South Africa to north of Bazaruto Island, central Mozambique.
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