Morphology Data of Brevibora exilis
Identification keys
Main Ref. Liao, T.-Y. and H.-H. Tan, 2014
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

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 terminal
Type of scales

Brevibora exilis differs from B. cheeya and B. dorsiocellata by having the following diagnostic characters: 10 scales around caudal peduncle (vs. 12); anterior outline of the dorsal-fin blotch ranging from 2nd branched ray to first four or five branched rays with transparent inter-radial membrane between 1st and 2nd unbranched rays (vs. blotch reaching from 1st unbranched ray and inter-radial membrane between 1st and 2nd unbranched rays not hyaline); and shallow body depth (19.3-24.7% SL vs. 24.4-26.7 in B. cheeya; 25.8-28.4 in B. dorsiocellata). It can be further diagnosed from B. cheeya by having incomplete lateral line with 6-10 perforated scales (vs. 25-30), shorter head length (23.7-26.7% SL vs. 28.5-30.0), shallower caudal peduncle depth (10.4-11.9% SL vs. 11.7-13.0), shorter prepectoral length (25.9-27.3% SL vs. 29.6-29.3) and shorter dorsal fin length (22.0-24.6 % SL vs. 26.2-29.3). It can be further separated from B. dorsiocellata by the possession of 28-31 scales along the lateral line row (vs. 25-27) (Ref. 95539).

Ease of Identification

Meristic characteristics of Brevibora exilis

Lateral Lines Interrupted: No
Scales on lateral line 28 - 31
Pored lateral line scales 6 - 10
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle 10 - 10
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
preanal 15 - 17
total 30 - 32


Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   
Spines total
Soft-rays total 8 - 8
Adipose fin absent

Caudal fin

Attributes forked

Anal fin(s)

Fins number
Spines total
Soft-rays total 8 - 8

Paired fins

Pectoral Attributes  more or less normal
Pelvics Attributes  more or less normal
Position    abdominal  beneath origin of D1
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Torres, Armi G.
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