Main Ref. | Iwamoto, T. and A. Williams, 1999 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | striking type of mouth |
Body shape lateral | elongated |
Cross section | |
Dorsal head profile | more or less straight |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | sub-terminal/inferior |
Diagnosis |
The snout is 49-50% of head length (HL), anterolateral margin of which is not completely supported by bone; scales overlap onto anteroventral snout surface. Orbit diameter 23-24% HL, extending to below posterior 1/3 of orbit. Prolonged narrow flap absent in subopercle. Light organ from isthmus to anus. Underside of head with no scales (except as noted above); including nasal fossa. Thin body scales, short spinules, fine in somewhat quincunx pattern. Dorsal fin dusky with blackish edges at the base; median nasal process blackish; mouth cream colored with blackish lips and premaxillary processes (Ref. 35909). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | 43 - 46 |
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 | 2 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 2 - 2 |
Soft-rays total | |
Adipose fin | absent |
Attributes | pointed; confluent |
Fins number | 1 |
Spines total | |
Soft-rays total |
Pectoral | Attributes |
Spines | |
Soft-rays | |
Pelvics | Attributes |
Position | |
Spines | |
Soft-rays |