Main Ref. | Conand, C., 1998 |
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 | Mean live weight 1,200 to 1,600 g; body-wall thickness: 0.7 cm. Body cylindrical, arched dorsally (bivium) and flattened ventrally (trivium); calcareous disc of podia around 300 micrometer in diameter. Mouth ventral, surrounded by 20 small, short and yellowish tentacles. Anus nearly dorsal. Calcareous ring with large radial pieces and narrow interradials. Cuvierian tubules numerous and thick. Bivium yellow with brown band; trivium lighter; podia on bivium and trivium encircled by a characteristics brown spot. Spicules on ventral tegument with a variety of pseudo-rosettes and biscuit-like nodules; dorsal tegument with rosettes and a few rods; ventral podia with various rods; tentacles with rods, straight or slightly curved and very spiny. |
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 |