Morphology Data of Scolopsis affinis
Identification keys
Main Ref. Russell, B.C., 1990
Appearance refers to Male; Female
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
Diagnosis

Lower limb of preopercle scaly. Antrorse (forward-directed) suborbital spine absent. Pelvic fins long, reaching to or beyond level of anus. Larger specimens with upper and lower lobes falcate. Presence of indistinct bluish stripe between eyes and a narrow white stripe from middle of upper lip to below eye. Juveniles with dusky brown stripe on either side of dorsal midline, and dusky brown midlateral stripe, yellowish above anteriorly. Axillary scale present. Color: Body silvery-white. Top of head and snout dusky grey. An indistinct bluish stripe between eyes. A narrow white stripe from middle of upper lip to below eye.

Ease of Identification

Meristic characteristics of Scolopsis affinis

Lateral Lines 1 Interrupted: No
Scales on lateral line 43 - 46
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 3 - 5.5
Scale rows below lateral line 12 - 18
Scales around caudal peduncle
Barbels 0
Gill clefts (sharks/rays only) absent
Gill rakers
on lower limb
on upper limb
total 8 - 12
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 9 - 9
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 7 - 7

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   15 - 18
Pelvics Attributes  more or less normal
Position    thoracic  behind origin of D1
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Luna, Susan M.
Modified by Casal, Christine Marie V.
Checked by Russell, Barry
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