Main Ref. | Burgess, L.A., 1991 |
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 | |
Diagnose | Males smaller (17-22 mm ML) than females (17-30 mm ML). A spermatophore from 20 mm ML male had a total length of 5.2 mm; with 2.2 mm sperm reservoir, 0.9 mm cement gland and 2.1 mm spiral filament. Cement gland simple, without color; spiral filament plain, with 2 or 3 coils at oral end. Adult females have dark pigmented seminal vesicles under collar muscle on each side of nuchal cartilage. Eggs spherical to oval, about 1.0 mm in diameter. |
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 | |
insgesamt | |
Wirbelzahl | |
preanal | |
insgesamt |
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 |