Morphology Data of Rhinichthys cataractae
Identification keys
Main Ref. McPhail, J.D. and C.C. Lindsey, 1970
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance always different morphology between mature adults
Different colors
Remarks Breeding males develop small tubercles on the top of the head and on the dorsal surface of the pectoral and pelvic fins, as well as on the anal and dorsal fins.

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

Absence of a groove between the upper lip and tip of snout. Barbel present. Snout long and overhanging.

Ease of Identification

Meristic characteristics of Rhinichthys cataractae

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 58 - 76
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 5 - 8
total 40 - 42


Dorsal fin(s)

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

Caudal fin

Attributes forked

Anal fin(s)

Fins number 1
Spines total
Soft-rays total

Paired fins

Pectoral Attributes  more or less normal
Pelvics Attributes  more or less normal
Position    abdominal  before origin of D1
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Luna, Susan M.
Modified by Froese, Rainer
Comments & Corrections
Sign our Guest Book
Back to Search
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17