Morphology Data of Opsaridium ubangiense
Identification keys
Main Ref. De Weirdt, D., A. Getahun, S. Tshibwabwa and G.G. Teugels, 2007
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs no special organs
Different appearance always different morphology between mature adults
Different colors
Remarks Maels with markedly developed anal fin and numerous large, nuptial tubercles (Ref. 81639).

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 sub-terminal/inferior
Type of scales

Diagnosis: 7.0-8.5 scales between lateral line and dorsal fin origin; 39-44 scales in lateral line; 3-5.5 scales between lateral line and mid-belly; 2 scales between lateral line and pelvic fin base; 14-16 circumpeduncular scales; 8-12 dark, vertical bars on sides; dorsal fin darkly pigmentated between the rays (Ref. 81639).

Description: mouth terminal, without barbels; scales with divergent striae; dorsal fin originates in advance of the anal; D: II-III,8-9; A: III, 11-14; P:14-15; V: I,8; caudal fin forked (Ref. 81639).

Coloration: body olive-brown dorsally, silvery on flanks and ventrum; 8-12 dark, vertical bars, often in pairs, along the flanks; dorsal fin with dark pigmentation between the rays (Ref. 81639).

Ease of Identification

Meristic characteristics of Opsaridium ubangiense

Lateral Lines 1 Interrupted: No
Scales on lateral line 39 - 44
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 7 - 8
Scale rows below lateral line 3 - 5.5
Scales around caudal peduncle 14 - 16
Barbels 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 3 - 6
on upper limb


Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   
Spines total 0 - 0
Soft-rays total 10 - 12
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 14 - 17

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   14 - 15
Pelvics Attributes  more or less normal
Position    abdominal  before origin of D1
Spines     0
Soft-rays   9 - 9
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Geelhand, Dimitri
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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