Morphology Data of Arripis trutta
Identification keys
Abnormalities
Main Ref. Neira, F.J., A.G. Miskiewicz and T. Trnski, 1998
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral fusiform / normal
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 ctenoid scales
Diagnosis

Adults are dark blue-green above and silvery below, with irregularly defined spots arranged laterally in indistinct rows (Ref. 33616). Length of upper lobe of caudal fin < 29.9% SL, more or less equal to, or less than, the length fo the head (Ref. 9701).

Ease of Identification

Meristic characteristics of Arripis trutta

Lateral Lines Interrupted: No
Scales on lateral line 49 - 53
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 20 - 24
on upper limb 9 - 13
total 33 - 37
Vertebrae
preanal
total 25 - 25

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 9 - 9
Soft-rays total 15 - 17
Adipose fin

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 9 - 10

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   16 - 18
Pelvics Attributes  more or less normal
Position    thoracic  before origin of D1
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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