Morphology Data of Peprilus triacanthus
Identification keys
Abnormalities
Main Ref. Vergara, R., 1978
Appearance refers to Male; Female
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 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
Diagnosis

This species is distinguished by the following characters: body oval to somewhat elongate, moderately deep (its depth 2.7 to 3 times in total length) and strongly compressed; eye medium-sized (its diameter 3.4 to 3.7 times in head length), surrounded by a small area of adipose tissue; snout short and blunt, lower jaw projecting somewhat beyond upper; mouth small, tip of maxillary not reaching to anterior eye margin; teeth in jaws very small, in a single row, while those in the upper jaw flattened and with 3 tiny cusps; dorsal and anal-fin bases very long (about equal in length), the anterior fin rays elevated, but fins not falcate, and both fins preceded by 3 short, weak, spines; caudal fin deeply forked; pectoral fins long (longer than head) and pointed; pelvic fins absent; a conspicuous series of 17 to 25 pores along anterior half of body under dorsal fin; lateral line high, following dorsal profile; scales small, present also on cheeks; caudal vertebrae 17 to 20; body color pale blue above, silvery below; numerous irregular dark spots on sides in live fish (fading after death) (Ref. 53006).

Ease of Identification

Meristic characteristics of Peprilus triacanthus

Lateral Lines 1 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

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 3 - 3
Soft-rays total
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

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

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   
Pelvics Attributes  suppressed/absent
Position    absent
Spines     0
Soft-rays   0 - 0
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Luna, Susan M.
Modified by Reyes, Rodolfo B.
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17