Morphology Data of Hyporthodus perplexus
Identification keys
Abnormalities
Main Ref. Heemstra, P.C. and J.E. Randall, 1993
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral fusiform / normal
Cross section compressed
Dorsal head profile clearly convex
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth superior
Type of scales ctenoid scales
Diagnosis

Distinguished by the following characteristics: depth of body contained 2.9 times in SL; head length 2.3-2.4 times in SL; snout length 3.8 times, eye diameter 6.0 times, interorbital width 6.8 times and suborbital depth 9.5 times in HL; slightly convex interorbital area; finely serrate preopercle, angle produced into a bulge bearing 7 moderately enlarged serrae; straight or nearly straight upper edge of operculum; ovate posterior nostrils, about twice the size of anterior nostrils; 2 rows of teeth on midlateral part of lower jaw (Ref. 89707).

Ease of Identification

Meristic characteristics of Hyporthodus perplexus

Lateral Lines 1 Interrupted: No
Scales on lateral line 52
Pored lateral line scales
Scales in lateral series 104
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 17
on upper limb 10
total 27
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 1notched No
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 11 - 11
Soft-rays total 13 - 13
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 8 - 8

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   18
Pelvics Attributes  more or less normal
Position    thoracic  before origin of D1
Spines     
Soft-rays   
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