Morphology Data of Aphareus rutilans
Identification keys
Abnormalities
Main Ref. Anderson, W.D. Jr. and G.R. Allen, 2001
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs no special organs
Different appearance males alike females
Different colors males alike females
Remarks

Descriptive characteristics of juvenile and adult

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

This species is distinguished by the following characters: body elongate and laterally compressed; lower jaw protruding; premaxillae not protrusible, fixed by a frenum; teeth in jaws are extremely small, minute in large adults; roof of mouth toothless; maxilla without scales or longitudinal ridges; interorbital region flattened; gill openings extending far anterior to orbit; gill rakers on first gill arch 16 - 19 + 32-35 = 49-52; last soft ray of both dorsal and anal fins well produced, longer than next to last ray; caudal fin forked; D X,11 (occasionally 10); membranes of dorsal and anal fins without scales; tubed lateral-line scales 69-75. Colour of body blue-grey or mauve to overall reddish; margin of maxilla black; in some specimens, at least, inside of mouth, gill chamber, and gills shining silver; fins yellowish to reddish except pelvic and anal fins sometimes whitish (Ref. 9821).

Ease of Identification

Meristic characteristics of Aphareus rutilans

Lateral Lines 1 Interrupted: No
Scales on lateral line 70 - 73
Pored lateral line scales 69 - 75
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) absent
Gill rakers
on lower limb 32 - 35
on upper limb 16 - 19
total 49 - 52
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 10 - 10
Soft-rays total 10 - 11
Adipose fin absent

Caudal fin

Attributes forked; 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     
Soft-rays   15 - 16
Pelvics Attributes  more or less normal
Position    thoracic  before origin of D1
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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