Main Ref. | Higgins, R.P., 1983 |
Appearance refers to |
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 | |
Diagnosis | Mid-dorsal spines: on segment 6, 8, and 10; uniformly increasing in length posteriorly. Lateral spines: on segment 4, 7 to 11. Adhesive glands present at the base of L-4 and L-7. Lateral accessory spine: with adhesive gland at base adjacent dorsally to L-10. Lateral terminal spines: long, 104 to 176 um, 47.6 to 80.1% of trunk length. Cuticular perforation sites: sparse, in a distinct pattern. Muscle scars: prominent dorsolateral and ventrolateral on segment 4. Lateral terminal accessory spines absent in males, instead with 3 pairs of penile spines. |
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 |