Main Ref.	Stuckey, F.G.A. and M.A. Wellington, 1914
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	Pale brown. Adherent base with cylindrical body. Thick body-wall with subcuticular layer of mesogloea that connects with the general mesogloea by strands crossing the ectoderm. The thick mesogloea contains many lacunae and cell-islets. Well-developed endoderm with large endodermal and ectodermal bays. Mesogloeal sphincter is very strong, surrounded with fibrous-looking mesogloea different from the rest of the body-wall. Closely lined cells present in the cavities (Ref. 89044).
Ease of Identification

Meristic characteristics of Isaurus tuberculatus

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