Main Ref. | Bathia, U. and T. Wongratana, 1974 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | fusiform / normal |
Cross section | circular |
Dorsal head profile | more or less straight |
Type of eyes | more or less normal |
Type of mouth/snout | more or less normal |
Position of mouth | terminal |
Type of scales | other (see remark) |
Diagnosis |
Description: Body spear-shaped from side and wedge-shaped in cross-section (Ref. 52193). Head obtusely pointed; eyes latero-ventral more visible from below; mouth terminal; maxilla exposed when shut, upper jaw notched for median process on lower jaw, posterior tip of upper jaw hidden when mouth closed; lips thin; teeth small, villiform; eyes lateral with well developed adipose eyelids (Ref. 2109, 52193). Dorsal fin with 4 spines, 2 unbranched and 7-8 branched rays; anal fin with 3 spines and 9 soft rays; scaly process at base of first dorsal fin; origin of second dorsal fin behind origin of anal fin; pectoral fins set at declined angle to body, 86-97% of head length, reaching beyond eye when folded forward, and reaching below origin of first dorsal fin with axillary scale nearly half the length of fin (Ref. 2109, 52193). Scales in lateral series 30-43, scales with membranous digitated hind margin (Ref. 2109). Colouration: Colour greenish-grey dorsally, sides silvery; second dorsal and anal fin with black margins (Ref. 9812). Faint longitudinal stripes along upper scale rows (Ref. 52193). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | |
Scales in lateral series | 30 - 43 |
Scale rows above lateral line | |
Scale rows below lateral line | |
Scales around caudal peduncle | 15 - 18 |
Barbels | 0 |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 2 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 4 - 5 |
Soft-rays total | 9 - 10 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 2 - 3 |
Soft-rays total | 9 - 9 |
Pectoral | Attributes more or less normal |
Spines 1 | |
Soft-rays 14 - 17 | |
Pelvics | Attributes more or less normal |
Position thoracic before origin of D1 | |
Spines | |
Soft-rays |