Morphology Data of Clarias lamottei
Identification keys
Abnormalities
Main Ref. Teugels, G.G., 1986
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs no special organs
Different appearance males alike females
Different colors males alike females
Remarks

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral elongated
Cross section oval
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 sub-terminal/inferior
Type of scales scales embedded or partly/completely absent
Diagnosis

Characterized by a relatively short vomerine tooth plates (3.6-3.9 % HL) and by its relatively long adipose fin (12.7-15.9 % SL) - the longest in Clarias and therefore, is a specific character for C. lamottei. Head is oval-shaped in dorsal outline. Frontal fontanelle long and narrow (`knife-shaped'); occipital fontanelle long and oval-shaped. Suprabranchial organ consists of well developed arborescent structures.

Ease of Identification

Meristic characteristics of Clarias lamottei

Lateral Lines 1 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 22 - 24
Vertebrae
preanal
total 56

Fins

Dorsal fin(s)

Attributes extending over most of the back length
Fins number 1
Finlets No. Dorsal   0
Ventral  0
Spines total 0 - 0
Soft-rays total 53 - 58
Adipose fin present

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total
Soft-rays total 51 - 52

Paired fins

Pectoral Attributes  more or less normal
Spines     1
Soft-rays   10
Pelvics Attributes  more or less normal
Position    abdominal  behind origin of D1
Spines     
Soft-rays   6
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