Morphology Data of Micralestes pabrensis
Identification keys
Abnormalities
Main Ref. Paugy, D., 2003
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs no special organs
Different appearance always different morphology between mature adults
Different colors males alike females
Remarks Very pronounced sexual dimorphism affecting anal-fin shape in adult males (Ref. 81279).

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral fusiform / normal
Cross section
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 terminal
Type of scales cycloid scales
Diagnosis

Diagnosis: incomplete lateral line; 6-10 pored scales; 25-28 lateral line scales; 13-15 anal fin branched rays; 4/8 premaxillary teeth; 11-15 gill rakers on lower part of first branchial arch; sexual dimorphism in anal fins of adult males (Ref. 2880, 81279).

Description: anal fin with 3 unbranched and 13-15 branched rays; only West African species with 4 outer premaxillary teeth, all other Micralestes species have 6 (Ref. 2880, 81279).

Coloration: body silvery, lateral stripe more brilliant; rayed dorsal, adipose and caudal yellow tint, others no color; lateral band becomes black in formalin; small patch of small melanophores appears at caudal-fin base in formalin (Ref. 2880, 81279).

Ease of Identification

Meristic characteristics of Micralestes pabrensis

Lateral Lines 1 Interrupted: No
Scales on lateral line
Pored lateral line scales 6 - 10
Scales in lateral series 25 - 28
Scale rows above lateral line 4.5 - 4.5
Scale rows below lateral line 3.5 - 3.5
Scales around caudal peduncle
Barbels 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 11 - 15
on upper limb
total
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total
Adipose fin present

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 16 - 18

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   
Pelvics Attributes  more or less normal
Position    abdominal  beneath origin of D1
Spines     
Soft-rays   
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