Main Ref. | Ivantsoff, W. and L.E.L.M. Crowley, 1999 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | none |
Body shape lateral | elongated |
Cross section | oval |
Dorsal head profile | more or less straight |
Type of eyes | other (see diagnosis) |
Type of mouth/snout | |
Position of mouth | |
Diagnosis |
A few minute teeth present on vomer, mesopterygoid but none on palatines. Ascending dorsal process of premaxilla short, broad and not entering interorbital space. Body scales with very crenulated posterior edge. Midlateral scale count 33 to 35. Origin of first dorsal from 0.5 to 3 scales in front of vertical through tips of ventrals. Pectoral fin 3.4-3.9 in SL. Description: Characterized by very large eye, 2.3-2.4 in head length; pectoral fins longer than other Hypoatherina, 3.4-3.9 in SL; ramus of dentary highly elevated posteriorly (Ref. 90102). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | 0 - 0 |
Pored lateral line scales | |
Scales in lateral series | 33 - 35 |
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 | 19 - 21 |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 2 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 6 - 7 |
Soft-rays total | 7 - 9 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 1 - 1 |
Soft-rays total | 9 - 10 |
Pectoral | Attributes more or less normal |
Spines 1 | |
Soft-rays 15 - 17 | |
Pelvics | Attributes more or less normal |
Position abdominal before origin of D1 | |
Spines 1 | |
Soft-rays 5 - 5 |