Morphology Data of Marcelogobius helenae
Identification keys
Abnormalities
Main Ref. Van Tassell, J.L. and A. Kramer, 2014
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 elongated
Cross section oval
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species is distinguished by the following characters: absence of head and preopercular canals; large papilla replace pores, generally for pores B, C, E and F; pore locations G and H with or without large papilla; 28-30 scales in lateral series; scales cycloid anteriorly, becoming ctenoid with ctenii increasing in size posteriorly. Body with 4 mottled, wide brown-orange bars separated by narrower white bars, cheek whitish with 5 more or less circular blotches of orange, outlined in dark brown and a black spot on ventral operculum (Ref. 95673).

Ease of Identification

Meristic characteristics of Marcelogobius helenae

Lateral Lines Interrupted: No
Scales on lateral line 28 - 30
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle 12 - 14
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total
Vertebrae
preanal 10 - 10
total 27 - 27

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 7 - 7
Soft-rays total 10 - 10
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number 1
Spines total 1 - 1
Soft-rays total 9 - 9

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   16 - 17
Pelvics Attributes  
Position    
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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