Rhinobatos maronita (Guitar fish) with Nematonotus LongispinusRhinobato maronita commonly referred to as 'Guitarfish' is the only long nosed species of this genus. It is characterised by its slender form and fairly long pointed nose, by the weak lateral development of its pectoral cartilaginous rays and its long, narrow pelvic fins. Although its thorny scales are similar to other species, the dorsal ones above the pelvic fins are slightly different, having a shape that is wider than long. Embryos have also been