Morphology Data of Ostorhinchus atrogaster
Identification keys
Abnormalities
Main Ref. Fraser, T.H., 2012
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

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

Redescription of the holotype: dorsal fin, 2 supernumerary spines on first pterygiophore, first spine missing; anal fin with 1 supernumerary spine on first pterygiophore, second spine in serial association with first pterygiophore, the following ray is branched; principal caudal rays 9+8, branched caudal rays 8+7; upper gill arch with 3 rudiments and 5 developed gill rakers, lower gill arch without rudiments and 19 developed gill rakers; villiform teeth in several rows on the premaxilla; 1 row on the dentary, 1 on the palatine and vomer; none on ectopterygoid, endopterygoid or basihyal; scales none; hypurals 3 and 4 partially fused, hypurals 1, 2 and 5 free; one pair of slender uroneurals; 3 epurals; a free parhypural; 3 supraneurals as 0/0/0/ in association with anterior neural spines, none procumbent; no supramaxilla; posttemporal serrate on posterior margin; preopercle ridge smooth, edges serrate on posterior vertical and ventral horizontal margins; infraorbital edge smooth.; no color remains on the body. Species authors described the color pattern as: ground color cream-buff; traces of a slightly decurved, silvery-white band from scapula to base of caudal; tip of chin and snout to middle of eye dusky black; dusky points on head; iris silvery; tip of spinous dorsal, blackish; caudal dusky distally; other fins hyaline; peritoneum silvery white; stomach jet black (Ref. 91763).

Ease of Identification

Meristic characteristics of Ostorhinchus atrogaster

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
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total
Vertebrae
preanal 10 - 10
total 24 - 24

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 8 - 8
Soft-rays total 9 - 9
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total 2 - 2
Soft-rays total 8 - 8

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   15 - 15
Pelvics Attributes  
Position    
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Comments & Corrections
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17