Morphology Data of Schistura defectiva
Identification keys
Main Ref. Kottelat, M., 2000
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

Anterior nostril pierced on front side of a flap; processus dentiformis present; lower lip interrupted medially, no median notch in upper lip; no median notch in lower jaw; body depth 14.3-15.8 %SL; caudal peduncle length 14.5-15.8 %SL, depth 10.5-11.8 %SL, 1.26-1.44 times in length; lateral line complete; anus about 1-2 eye diameters in front of anal-fin origin; 8.5 branched dorsal-fin rays; 5.5 branched anal-fin rays; caudal fin emarginate, with 9+8 branched rays; axillary pelvic lobe present; top of head spotted; body with 8-10 bars, as wide as or narrower than interspaces, not very regularly shaped and set, often dissociated into a blotch along side and a blotch along dorsal midline; a faint grey midlateral stripe or rows of longitudinally elongate blotches superimposed to the bar pattern; black bar at caudal-fin base more or less complete, often not reaching ventral midline, bent forward along dorsal midline; dorsal-fin base with a black spot at anterior extremity, followed by an orange dot and a grey elongate blotch (Ref. 36949). Mid-dorsal blotches may also be fused into a mid-dorsal stripe (Ref. 43281).

Ease of Identification

Meristic characteristics of Schistura defectiva

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


Dorsal fin(s)

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

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total
Soft-rays total

Paired fins

Pectoral Attributes  more or less normal
Soft-rays   10 - 13
Pelvics Attributes  more or less normal
Position    abdominal  beneath origin of D1
Soft-rays   7 - 8
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Boden, Gert
Modified 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