Morphology Data of Thryssa gautamiensis
पहचान कुंजी
Abnormalities
Main Ref. Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs no special organs
Different appearance males alike females
Different colors males alike females
Remarks

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral elongated
Cross section compressed
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 cycloid scales
निदान

Belly with 25 to 27 (rarely 24) keeled scutes from isthmus to anus. Tip of snout at about level of upper rim of eye. Maxilla moderate, projecting slightly beyond edge of gill cover; first supra-maxilla minute, oval; jaw teeth slightly enlarged compared with other species. A dark blotch behind upper part of gill opening; a pair of dark lines on back, from nape to caudal fin.

Ease of Identification

Meristic characteristics of Thryssa gautamiensis

Lateral Lines Interrupted: No
Scales on lateral line 34 - 46
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 0 - 0
Scale rows below lateral line 0 - 0
Scales around caudal peduncle
Barbels 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 17 - 20
on upper limb
सम्पूर्ण
जानवरों की रीड़ का जोड़
preanal
सम्पूर्ण

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 0 - 0
Soft-rays total
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 34 - 37

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   
Pelvics Attributes  more or less normal
Position    abdominal  before origin of D1
Spines     0
Soft-rays   7 - 7
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