Main Ref. | Nielsen, J.G. and W. Schwarzhans, 2011 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks | Male copulatory organ is large, broad hood with free, small genital papilla inserted in proximal, ventral position. |
Striking features | |
Body shape lateral | elongated |
Cross section | |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
This species is distinguished by the following characters: position of anus halfway between tip of snout and origin of anal fin; non-tapering and compressed body; head short with blunt snout; no scales and lateral line; vertical fins joined; pectoral radials not prolonged; mouth oblique, ending well behind eye; weak opercular spine covered by skin; anterior nostril close to upper lip, ending in distinct tube; palatines with few, small teeth; few, large head pores: anterior infraorbital pores 3, a pair of anterior mandibular pores at lower jaw symphysis and 1 posterior mandibular pore behind termination of maxilla; otolith with small, undivided, centrally placed sulcus; dorsal fin rays 74, anal fin rays 46, pectoral fin rays 11 or 12; vertebrae 16+36; anterior gill arch with 6 long rakers (Ref. 88959). |
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 | 6 - 6 |
Vertebrae | |
preanal | 16 - 16 |
total | 52 - 52 |
Attributes | |
Fins number | |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | 74 - 74 |
Adipose fin |
Attributes |
Fins number | |
Spines total | |
Soft-rays total | 46 - 46 |
Pectoral | Attributes |
Spines | |
Soft-rays 11 - 12 | |
Pelvics | Attributes |
Position | |
Spines | |
Soft-rays |