Morphology Data of Mistichthys luzonensis
Identification keys
Abnormalities
Main Ref. Herre, A.W.C.T., 1927
Appearance refers to Male; Female
Bones in OsteoBase

Sex attributes

Specialized organs protruding genital papilla (m)
Different appearance males alike females
Different colors males alike females
Remarks Genital papilla in females bluntly rounded and twice as thick and about half the length of that of the males.

Descriptive characteristics of juvenile and adult

Striking features none
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 ctenoid scales
Diagnosis

Fresh specimens transparent, with large eyes showing the only color, black. Males smaller than females, shorter and more slender. Head naked; body covered with deciduous scales. Scales in longitudinal series 23-24; in transverse series 6. Sides and back of head with few dark or black spots.

Ease of Identification

Meristic characteristics of Mistichthys luzonensis

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
Barbels 0
Gill clefts (sharks/rays only) absent
Gill rakers
on lower limb
on upper limb
total
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 2
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 4 - 4
Soft-rays total 6 - 8
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 1 - 1
Soft-rays total 8 - 10

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   
Pelvics Attributes  more or less normal
Position    jugular  before origin of D1
Spines     1
Soft-rays   5 - 5
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