Morphology Data of Brachypterois serrulata
Identification keys
Main Ref. Matsunuma, M., M. Sakurai and H. Motomura, 2013
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 fusiform / normal
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth

This species is distinguished by the following set of characters: pectoral-fin rays 14-16 (modally 15); scale rows in longitudinal series 44-51 (47); scales above lateral line 4-6 (5); scale rows between last dorsal spine base and lateral line 4-7 (6); pre-dorsal scale rows 4-8 (5); suborbital scale rows 0-4 (2); total gill rakers 15-19 (17); head length 38.3-43.1 (mean 40.2) %SL; orbit diameter 11.1-14.5 (12.4) %SL; upper-jaw length 18.6-21.5 (20.2) %SL; length of longest dorsal-fin soft ray 18.0-23.0 (20.2) %SL; length of longest anal-fin soft ray 21.0-27.0 (23.7) %SL; caudal-fin length 30.4-44.7 (35.7) %SL; posterior lacrimal spine usually directed posteriorly, not curved upward distally; spine(s) on corner of outer angular ridge not developed, size similar to other spines on ridge, directed ventrally; spines often absent on median lateral ridge of maxilla, rarely 1-3 spines present in large adults (>80 mm SL); a large number of small spots on caudal fin, 5-26 (mean 13.3) spots on longest caudal-fin ray (Ref. 93969).

Ease of Identification

Meristic characteristics of Brachypterois serrulata

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series 44 - 51
Scale rows above lateral line 4 - 6
Scale rows below lateral line
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 15 - 19


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   
Spines total 13 - 13
Soft-rays total 10 - 11
Adipose fin

Caudal fin


Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 5 - 6

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   14 - 16
Pelvics Attributes  
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Capuli, Estelita Emily
Modified by Capuli, Estelita Emily
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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