Morphology Data of Pseudamia hayashii
Identification keys
Abnormalities
Main Ref. Randall, J.E., E.A. Lachner and T.H. Fraser, 1985
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral elongated
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 superior
Type of scales cycloid scales
Diagnosis

Translucent when fresh with a reddish cast, overlaid with iridescence particularly on abdomen and operculum predominated by golden hues; dusky caudal fin with hyaline border; 1st and 2nd dorsal and anal fin pale to dusky or blackish, other fins are clear with pink rays. Anterior nostril without long flap. Rhomboid caudal fin. 23-24 scales in longitudinal series. Gill rakers 4-5+11-13, 1-7 developed. Convex interorbital space. Oblique mouth. Predorsal scales 10 (9-11). This species resembles P. amblyuroptera and P. gelatinosa but has larger scales (LR<=24) (Ref. 37816).

Ease of Identification

Meristic characteristics of Pseudamia hayashii

Lateral Lines 2 Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 1.5 - 1.5
Scale rows below lateral line 6.5 - 6.5
Scales around caudal peduncle 15 - 16
Barbels 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 7 - 7
on upper limb 1 - 1
total 8 - 8
Vertebrae
preanal 10 - 10
total 24 - 24

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 7 - 7
Soft-rays total 8 - 8
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 2 - 2
Soft-rays total 7 - 8

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   15 - 17
Pelvics Attributes  more or less normal
Position    thoracic  before origin of D1
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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