Morphology Data of Polypterus ornatipinnis
Identification keys
Main Ref. Poll, M., 1967
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs no special organs
Different appearance
Different colors
Remarks Males have a larger, broader and more muscular anal fin compared to females (Ref. 1672, Ref. 35355).

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral elongated
Cross section circular
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 ganoid scales

Subcylindrical body (Ref. 27292, Ref. 36901). Upper and lower jaw of equal length (Ref. 36901, Ref. 42907). Number of dorsal finlets: 9-11 (Ref. 42908, Ref. 51884). Dorsal fin origin well behind pectoral fin (Ref. 4967, Ref. 42873). Ganoid scales (Ref. 27292, Ref. 42904): 58-65 lateral line scales, 38-44 scales around body, 22-27 predorsal scales (Ref. 2970, Ref. 11970, Ref. 42907, Ref. 42908). Dorsal side grey-brown colored, marbled with clear whitish spots (Ref. 11970), the belly is white to yellowish (Ref. 27292). Head finely reticulated (Ref. 42873, Ref. 42901). Fins with white spots alternating with dark spots, forming a continuous bar (Ref. 11970).

Ease of Identification

Meristic characteristics of Polypterus ornatipinnis

Lateral Lines Interrupted: No
Scales on lateral line 58 - 65
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   0 - 0
Ventral  0 - 0
Spines total 9 - 11
Soft-rays total
Adipose fin absent

Caudal fin


Anal fin(s)

Fins number 1
Spines total 14 - 15
Soft-rays total

Paired fins

Pectoral Attributes  more or less normal
Pelvics Attributes  more or less normal
Position    abdominal  behind origin of D1
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Sa-a, Pascualita
Modified by Bailly, Nicolas
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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