Morphology Data of Sternarchorhynchus mesensis
Identification keys
Main Ref. Campos-da-Paz, R., 2000
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 elongated
Cross section compressed
Dorsal head profile more or less straight
Type of eyes more or less normal
Type of mouth/snout tube-like
Position of mouth terminal
Type of scales cycloid scales

Distinguished from its congeners by the following combination of features: mouth length 5.4-6.4 %HL; postocular distance 36.4-41.0 %HL; pectoral fin length 27.0-35.3 %HL; scales always present above lateral line at anterodorsal region of body, in 11-13 rows above lateral line at midbody; anterior unbranched anal-fin rays 23-28; and a white to yellowish-white (sometimes indistinct) band on frontal portion of head and middorsum; caudal fin with 13-15 rays (Ref. 36352).

Ease of Identification

Meristic characteristics of Sternarchorhynchus mesensis

Lateral Lines 1 Interrupted: No
Scales on lateral line
Pored lateral line scales 75 - 88
Scales in lateral series
Scale rows above lateral line 11 - 13
Scale rows below lateral line
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 80 - 110


Dorsal fin(s)

Fins number
Finlets No. Dorsal   
Spines total 0 - 0
Soft-rays total 0 - 0
Adipose fin

Caudal fin

Attributes more or less truncate

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 171 - 189

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   14 - 15
Pelvics Attributes  suppressed/absent
Spines     0
Soft-rays   0 - 0
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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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