Morphology Data of Gymnelus obscurus
Identification keys
Main Ref.
Appearance refers to Male; Female
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance always different morphology between mature adults
Different colors
Remarks sexual dimorphism is strongly expressed: the head in females narrow and compressed from the sides; in males it is wider with blunt nose and subterminal mouth.

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral eel-like
Cross section circular
Dorsal head profile
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth
Diagnosis

complete supratemporal commissure; large gill opening, small eye, wide interorbital distance and intense pigmentation.

Ease of Identification

Meristic characteristics of Gymnelus obscurus

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
total

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total
Adipose fin absent

Caudal fin

Attributes pointed

Anal fin(s)

Fins number 1
Spines total
Soft-rays total

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   
Pelvics Attributes  suppressed/absent
Position    absent
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by BĂ©arez, Philippe
Modified by Reyes, Rodolfo B.
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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