Morphology Data of Brachypterois curvispina
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 compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

This species is distinguished by the following set of characters: pectoral-fin rays 14-16 (modally 15); scale rows in longitudinal series 41-45 (44); scales above lateral line 4-5 (4); scale rows between last dorsal spine base and lateral line 4-5 (4); pre-dorsal scale rows 3-5 (4); suborbital scale rows 0-2 (1); total gill rakers 16-18 (16); head length 41.5-44.5 (mean 43.1) %SL; orbit diameter 13.0-15.4 (14.3) %SL; upper-jaw length 20.2-23.0 (21.6) %SL; longest dorsal-fin soft ray length 19.5-24.5 (22.5) %SL; longest anal-fin soft ray length 23.6-28.4 (25.3) %SL; caudal-fin length 37.8-46.4 (42.3) %SL; posterior lacrimal spine usually directed posteriorly, the tip strongly curved upward in large adults; spine(s) on corner of outer angular ridge longer and stouter than others on ridge, directed posteriorly; number and size of caudal fin spots moderate, 5-13 (mean 9.3) spots on longest caudal-fin ray (Ref. 93969).

Ease of Identification

Meristic characteristics of Brachypterois curvispina

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series 41 - 45
Scale rows above lateral line 4 - 5
Scale rows below lateral line
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 16 - 18
preanal 10 - 10
total 24 - 24


Dorsal fin(s)

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

Caudal fin


Anal fin(s)

Fins number
Spines total
Soft-rays total

Paired fins

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