Main Ref. | Last, P.R., W.T. White and G. Naylor, 2016 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | other (see remarks) |
Cross section | flattened |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | placoid scales |
Diagnosis |
This small, blue-spotted stingray is distinguished by the following characters: absence of a pair of blue longitudinal stripes along the sides of the tail; uniformly pale ventral fold; absence of the dorsal fold but upper margin of tail with a firm, blunt ridge; a relatively short post-orbital disc (length from rear of orbit to pectoral-fin insertion 63-65% WD), with a relatively long horizontal snout length (20-21% DW) and prenasal length 14-16% DW, and prenasal length 1.5-1.9 times internasal width (Ref. 110363). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | |
Scale rows below lateral line | |
Scales around caudal peduncle | |
Barbels | |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | |
Fins number | |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | |
Adipose fin |
Attributes |
Fins number | |
Spines total | |
Soft-rays total |
Pectoral | Attributes |
Spines | |
Soft-rays | |
Pelvics | Attributes |
Position | |
Spines | |
Soft-rays |