Morphology Data of Lepisosteus osseus
Identification keys
Abnormalities
Main Ref. Bigelow, H.B., M.G. Bradbury, J.R. Dymond, J.R. Greeley, S.F. Hildebrand, G.W. Mead, R.R. Miller, L.R. Rivas, W.L. Schroeder, R.D. Suttkus and V.D. Vladykov, 1963
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features striking type of mouth
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 clearly protrusible
Position of mouth terminal
Type of scales ganoid scales
Diagnosis

Long narrow snout. Olivaceous brown above and white below. Dark spots on median fins and on body (Ref. 37032). Scales ganoid: thin bony scutes on leading edges of unpaired fins, and on both edges of caudal fin (Ref. 4639).

Ease of Identification

Meristic characteristics of Lepisosteus osseus

Lateral Lines 1 Interrupted: No
Scales on lateral line 57 - 65
Pored lateral line scales
Scales in lateral series 31 - 35
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 14 - 31
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 0 - 0
Soft-rays total 6 - 9
Adipose fin absent

Caudal fin

Attributes heterocercal

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 8 - 10

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   10 - 13
Pelvics Attributes  more or less normal
Position    abdominal  before origin of D1
Spines     0
Soft-rays   6 - 6
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Comments & Corrections
Back to Search
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17