Main Ref. | Dawson, C.E., 1986 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | other |
Different appearance | always different morphology between mature adults |
Different colors | |
Remarks | Males with brood pouch; females with ovipositor (Ref. 205). |
Striking features | striking shape of body |
Body shape lateral | eel-like |
Cross section | angular |
Dorsal head profile | more or less straight |
Type of eyes | more or less normal |
Type of mouth/snout | tube-like |
Position of mouth | terminal |
Type of scales | |
Diagnosis |
Brownish in color, usually with small spots on trunk (Ref. 4281). Description: Characterized by variable color, ranging from whitish or yellowish to blackish; usually 9 caudal rays in juvenile, vestigial or absent in adult; rings 21-24 + 55-63; discontinuous superior trunk and tail ridges; inferior trunk ridge ends at anal ring; confluent lateral trunk ridge with inferior tail ridge; length of snout 1.5-2.0 in head length; depth of snout 5.2-11.1 in snout length; head length 9.9-13.0 in SL (Ref. 90102). |
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 | 0 |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | |
Fins number | 1 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 0 - 0 |
Soft-rays total | 24 - 32 |
Adipose fin | absent |
Attributes |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 4 - 4 |
Pectoral | Attributes |
Spines 0 | |
Soft-rays 15 - 19 | |
Pelvics | Attributes suppressed/absent |
Position absent | |
Spines 0 | |
Soft-rays 0 - 0 |