Morphology Data of Pegasus volitans
Identification keys
Abnormalities
Main Ref. Palsson, W.A. and T.W. Pietsch, 1989
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features flaps
Body shape lateral other
Cross section flattened
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 bony plates or armour
Diagnosis

Body light brown or olive to dark brown-black dorsally and laterally, lighter ventrally. Tubercles absent on surface of carapace; no scales on orbit; distal margin of dorsal and anal fins perpendicular to horizontal axis of body. 4 pairs of dorsolateral body plates; 5 pairs of ventrolateral body plates; tail rings 12, anteriormost 9 mobile, last 3 fused; a lateral pair of posteriorly directed spines on terminal tail rings; suborbital shelf convex obscuring eye from ventral view; deep pits absent. Rostrum monomorphic and spatulate.

Description: Characterized by having numerous dark brown spots on head, body and fins; sometimes with presence of dark or pale bands on tail; relatively narrow and elongate carapace; relatively long snout (Ref. 90102).

Ease of Identification

Meristic characteristics of Pegasus volitans

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
Barbels 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total
Vertebrae
preanal
total 21 - 21

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 0 - 0
Soft-rays total 5 - 5
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 5 - 5

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   9 - 12
Pelvics Attributes  other (see diagnosis)
Position    thoracic  before origin of D1
Spines     1
Soft-rays   2 - 2
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