Morphology Data of Narcetes shonanmaruae
Identification keys
Main Ref. Fujiwara, Y., M. Kawato, J.Y. Poulsen, H. Ida, Y. Chikaraishi, N. Ohkouchi, K. Oguri, S. Gotoh, G. Ozawa, S. Tanaka, M. Miya, T. Sado, K. Kimoto, T. Toyofuku and S. Tsuchida, 2021
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
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 characters: anal fn is entirely behind the dorsal fin; multiserial teeth on premaxillary, maxillary, and dentary; predorsal scale rows > 70; longitudinal scale rows > 110; dorsal to lateral line scale row > 15; anal to lateral line scale rows > 17; branchiostegal rays 7; dorsal-fn rays < 15; precaudal vertebrae < 30; epurals 2; the lengths of head, snout, upper and lower jaws, orbit diameter, dorsal and anal fn bases are relatively short against standard length (Ref. 123515).

Ease of Identification

Meristic characteristics of Narcetes shonanmaruae

Lateral Lines Interrupted: No
Scales on lateral line 54 - 62
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 18 - 19
Scale rows below lateral line 19 - 21
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 14 - 17
on upper limb 5 - 6
preanal 28 - 28


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   
Spines total 0 - 0
Soft-rays total 14 - 14
Adipose fin

Caudal fin


Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 11 - 12

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   11 - 13
Pelvics Attributes  
Soft-rays   8 - 9
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered 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