Morphology Data of Lonchurus elegans
Identification keys
Abnormalities
Main Ref. Uyeno, T., K. Matsuura and E. Fujii (eds.), 1983
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral fusiform / normal
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Colour dark greyish above, yellowish to pale below. Pectoral fins long and jet black. Tips of pelvic and anal fins dark. Inside of gill cover black. Eye small, about 8 to 9 times in head length. Mouth small, inferior, enclosed under snout. Chin with 5 pores and many barbels, 3 to 4 pairs in a tuft around median mental pore, 15 or 16 pairs along median edges of lower jaws and subopercles. Pectoral fins greatly enlarged, extending beyond anal-fin base. Gas bladder narrow, about equal to head length, bearing anteriorly 2 pairs of appendages, anterior pair short and horn-like, lateral pair long, tube-like, extends to posterior end of gas bladder (Ref 51721).

Ease of Identification

Meristic characteristics of Lonchurus elegans

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
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 9 - 10
on upper limb 3 - 3
total 12 - 13
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 1notched No
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 11 - 11
Soft-rays total 32 - 34
Adipose fin absent

Caudal fin

Attributes other (see remark); asymmetric

Anal fin(s)

Fins number 1
Spines total 2 - 2
Soft-rays total 7 - 7

Paired fins

Pectoral Attributes  other (see diagnosis)
Spines     
Soft-rays   
Pelvics Attributes  
Position    thoracic  before origin of D1
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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