Morphology data of Nymphon typhlops
Identification keys
Main Ref. Child, C.A., 1998
Appearance refers to

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
Diagnosis Trunk, lateral processes and scapes with short dorsal spines on low tubercles. Trunk with first two segmentation lines, third line lacking. Lateral processes almost touching proximally, narrowly separated distally. Neck typical, very short, with large oviger bases. Ocular tubercle tall, curved, blind. Proboscis short, abdomen long, horizontal. Chelifores large, chelae with curved teeth, more teeth in movable than immovable fingers. Palp segments 4, 5 very short. Oviger typical, fifth segment longest, curved. Legs slender, armed with rows of short spines. First tibiae the longest segments, tarsus slightly longer than propodus, claw robust, auxiliary claws vestigial. Male cement glands open through 7 - 8 low ventral cups (Ref. 9).
Ease of Identification

Meristic characteristics of Nymphon typhlops

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
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total

Paired fins

Pectoral Attributes  
spines     
soft-rays   
Pelvics Attributes  
Position    
spines     
soft-rays   
Main Ref. (e.g. 9948)
Glossary (e.g. cnidaria)
Comments & Corrections
Back to Search