Morphology Data of Dibranchus discors
Identification keys
Abnormalities
Main Ref. Bradbury, M.G., 1999
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 short and / or deep
Cross section flattened
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales other (see remark)
Diagnosis

No tubercles in skin covering eyeballs and on ventral surface of disk except a few near bases of pelvic fins. Interorbital and mouth both exceptionally narrow. Conspicuous chalk-white oval marking on midline of lower jaw. Teeth present on palatines and vomer. Cephalic lateral-line counts: subopercular usually 6; preopercular 2. Tail lateral-line counts 9-13. Paired fins slender, moderately strong with fin membranes transparent. Tips of pectoral rays fleshy. No tubercles on fins (Ref. 35447, 40826).

Ease of Identification

Meristic characteristics of Dibranchus discors

Lateral Lines 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
on upper limb
total
Vertebrae
preanal
total 18 - 20

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total 6 - 7
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total 4 - 4

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   12 - 14
Pelvics Attributes  
Position    
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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