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	Trunk and appendage integument lightly reticulated or sometimes unreticulated but granular. Trunk with slender dorsomedian tubercles, rounded or pointed. Lateral processes slightly longer than diameter, closely spaced but separated distally, with low dorsodistal bulges sometimes becoming a continuous dorsal ridge. Proboscis a long tapering truncate cone with flat oral surface. Abdomen fairly long, slender, tapering distally, extending beyond distal rim of first coxae, fourth legs. Oviger 9 segmented, of moderate size, terminal claw slightly curved. Legs with moderately slender major segments, with very few short spines. Propodus tapers distally to smaller diameter, sole with pile of short spines, claw robust, long, more than half length of propodus, auxiliary claws lacking (Ref. 2153, p. 16).
Ease of Identification	likely to be confused with closely related species.

Meristic characteristics of Pycnogonum tenue

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