Morphology Data of Scaevius milii
Identification keys
Abnormalities
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
Type of scales ctenoid scales
Diagnosis

Scales on top of head not reaching to level of eyes. Snout, suborbital, interorbital, and temporal parts of head naked. Posterior margin of suborbital denticulate, a small spine in upper corner. 5 or 6 transverse rows of cheek scales. Preopercle serrate, opercle scaly. Lower limb of preopercle naked. Upper margin of opercle with a small, flat, rounded spine. Pectoral fins short, not reaching to level of anus. Pelvic fins long, reaching to level of anus. Color: Dark olive on top of head, back paler, ventral surface white. 2 blue stripes on snout, the first joining eyes through nostrils, the second across front of snout. 2 narrow blue lines below eye crossing suborbital.

Ease of Identification

Meristic characteristics of Scaevius milii

Lateral Lines 1 Interrupted: No
Scales on lateral line 40 - 45
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 2.5 - 3
Scale rows below lateral line 14 - 16
Scales around caudal peduncle
Barbels 0
Gill clefts (sharks/rays only) absent
Gill rakers
on lower limb
on upper limb
total 9 - 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 more or less truncate

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 - 19
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 )
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