Main Ref.	Child, C.A., 1995
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	Short conspicuous spines on trunk, chelifore scapes, and proximal leg segments, very short tarsus in conjunction with large species size, and subequal size of major oviger segments. Second segment of palp longer than third and fifth is only slightly longer than fourth. Chela fingers placed synaxially and shorter than palm. Propodus short, very curved, with four heel spines and few sole spines. Claw very long in relation to short propodal length and auxiliaries are less than half propodal length (Ref. 2153, p. 23).
Ease of Identification	likely to be confused with closely related species.

Meristic characteristics of Nymphon microsetosum

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