Morphology Data of Paramonacanthus japonicus
Identification keys
Main Ref. Hutchins, J.B., 1997
Appearance refers to Male; Female
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks Elevated anterior portions of the soft dorsal and anal fins. Second dorsalmost caudal ray elongate and filamentous.

Descriptive characteristics of juvenile and adult

Striking features striking shape of body
Body shape lateral short and / or deep
Cross section compressed
Dorsal head profile more or less straight
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth terminal
Type of scales ctenoid scales

body width 2.0-2.6 in head length; body depth 2.0-3.1 in SL, head length 2.7-3.2 in SL; snout length 3.7-4.1 in SL; eye diameter 2.7-3.7 in head length; second dorsalmost caudal ray elongate and filamentous in male (Ref. 33065).

Ease of Identification likely to be confused with closely related species.

Meristic characteristics of Paramonacanthus japonicus

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
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 15 - 17
total 19 - 19


Dorsal fin(s)

Fins number 2
Finlets No. Dorsal   
Spines total 2 - 2
Soft-rays total 24 - 30
Adipose fin absent

Caudal fin

Attributes more or less truncate

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 24 - 30

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   10 - 14
Pelvics Attributes  joint to one spine only
Position    thoracic  behind origin of D1
Spines     1
Soft-rays   0 - 0
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Garilao, Cristina V.
Modified by Reyes, Rodolfo B.
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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