Main Ref. | Shibukawa, K. and Y. Aonuma, 2007 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | |
Cross section | |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
This species differs from its congeners in having the following set of characters: segmented dorsal- and anal-fin rays, 8 and 9, respectively; elongated body, its depth 13.5-15.5% of SL; males with greatly prolonged (extending beyond posterior end of base of second dorsal fin when appressed) and filamentous first dorsal-fin spine; anteroventral and/or distal parts of first dorsal fin may have small black spot(s) (smaller than pupil); small 3-6 black spots on second dorsal fin; dorsal margin of caudal fin with some narrow black markings, in addition to the blackened posterior margin (Ref. 75138). |
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 | 12 - 12 |
Barbels | |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | 11 - 15 |
on upper limb | 2 - 2 |
total | |
Vertebrae | |
preanal | 10 - 10 |
total | 26 - 26 |
Attributes | |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 7 - 7 |
Soft-rays total | 8 - 8 |
Adipose fin |
Attributes |
Fins number | 1 |
Spines total | 1 - 1 |
Soft-rays total | 9 - 9 |
Pectoral | Attributes |
Spines 0 | |
Soft-rays 22 - 26 | |
Pelvics | Attributes |
Position | |
Spines 1 | |
Soft-rays 5 - 5 |