Morphology Data of Alticus orientalis
Identification keys
Main Ref. Tomiyama, I., 1955
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral
Cross section oval
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth

This species has the following characters: possess a low but thick and distinct median crest extending from posterior part of interorbital space to above posterior preopercular margin; nuchal cirri absent; gill membranes connected with each other across the throat; head and body entirely naked. Colour after preservation brownish dark with ventral side of head and belly pale, entire head without dark spots or markings, side of body with several dark, ill-defined transverse blotches, with about 10 dark blotches on back, dorsal fin narrowly margined with white, distal part of spinous portion of the fin darker, soft part crossed by 7 ill-defined transverse dark bands which are continued from blotches on back, anal fin with pale ill-defined longitudinal band near base, distal part of membranes between anal fin-rays pale, membranes of caudal and pectoral fins are translucent, ventral fins dusky on dorsal side, paler on opposite side (Ref. 86946).

Ease of Identification

Meristic characteristics of Alticus orientalis

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb


Dorsal fin(s)

Fins number
Finlets No. Dorsal   
Spines total 14 - 14
Soft-rays total 22 - 22
Adipose fin

Caudal fin


Anal fin(s)

Fins number 1
Spines total 2 - 2
Soft-rays total 26 - 26

Paired fins

Pectoral Attributes  
Soft-rays   15 - 15
Pelvics Attributes  
Spines     1
Soft-rays   4 - 4
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Capuli, Estelita Emily
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