Morphology Data of Metahomaloptera longicauda
Identification keys
Abnormalities
Main Ref. Yang, J., X. Chen and J. Yang, 2007
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 elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth sub-terminal/inferior
Type of scales cycloid scales
Diagnosis

Dorsal fin insertion before the middle of body; pectoral fin reaching beyond the dorsal-fin origin; anal fin far from caudal-fin base; pelvic fin reaching beyond anus; head width 19.4-22.6% SL; pre-anal length 69.0-74.3% SL; caudal peduncle length 17.1-20.7% SL; caudal peduncle depth 33.7-43.1% caudal-peduncle length; eye diameter 14.6-16.6% HL; mouth width 63.2-75.5% SL body width at pectoral-fin origin; 8-9 blackish blotches along the median dorsal line from occipital region to base of caudal; pectoral fin expanding beyond the dorsal-fin origin; lateral line scale rows 66-78; branched pectoral rays 11-15; branched pelvic rays 10-12 (Ref. 58759).

Description: Pectoral fin with 13 simple and 11-15 branched rays; pelvic fin with 8-9 simple and 10-12 branched rays (Ref. 58759).

Ease of Identification

Meristic characteristics of Metahomaloptera longicauda

Lateral Lines Interrupted: No
Scales on lateral line 66 - 78
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
on upper limb
total
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total 11 - 11
Adipose fin

Caudal fin

Attributes more or less truncate

Anal fin(s)

Fins number
Spines total
Soft-rays total 7 - 7

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   
Pelvics Attributes  
Position    
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Torres, Armi G.
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