Morphology Data of Onychostoma minnanense
Identification keys
Main Ref. Jang-Liaw, N.-H. and I-S. Chen, 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 elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth sub-terminal/inferior
Type of scales

Distinguished from other congeners by the following unique combination of characters: last simple ray of dorsal fin flexible and unserrated; squamation: lateral-line scales always 41-44 (modally 42) and predorsal scales 12-14 (modally 12); maxillary barbels 9.7-12.4 % (mean 11.2 %) in head length; rostral cap with thick upper lip and lower part of upper lip exposed; and coloration of young individuals (<75 mm SL) with random grayish-black spots near lateral-line scales (Ref. 92993).

Ease of Identification

Meristic characteristics of Onychostoma minnanense

Lateral Lines Interrupted: No
Scales on lateral line 41 - 44
Pored lateral line scales 41 - 44
Scales in lateral series
Scale rows above lateral line 5 - 6
Scale rows below lateral line
Scales around caudal peduncle 14 - 16
Barbels 4
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb


Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   
Spines total
Soft-rays total 10 - 10
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
Soft-rays   13 - 14
Pelvics Attributes  more or less normal
Position    abdominal  behind origin of D1
Soft-rays   9 - 10
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Torres, Armi G.
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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